Assessing the use of language learning strategies worldwide with the ESL and EFL version of the strategy inventory for language learning (sill)
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Assessing the use of language learning strategies worldwide with the ESL and EFL version of the strategy inventory for language learning (sill)

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  • 1. ~ Pergamon 0346-251X(94)00047-6 S3wtem. Vol. 23, No. I, pp. 1-23, 1995 Copyright © 1995 Elsevier Science Ltd Printed in Great Britain. All rights reser,,ed 0346-25 IX/95 $9.50+0.00 ASSESSINGTHE USE OF LANGUAGELEARNINGSTRATEGIESWORLDWIDE WITH THE ESL/EFLVERSIONOF THE STRATEGYINVENTORYFOR LANGUAGELEARNING(SILL) REBECCAL. OXFORDand JUDITHA. BURRY-STOCK UniversityofAlabama, Tuscaloosa,AL, USA With factor analysis contributions by Neff Anderson, Ohio University, USA; Deena Boraie, American University in Cairo, Egypt; John Green, University of Puerto Rico at Mayaguez and Salem State College, USA; Gene Halleck, Oklahoma State University, USA; Omneya Kassabgy, Career Development Center, Cairo, Egypt; Victoria Talbott, Skagit Valley Junior College, USA; Yoshinori Watanabe, Japan; Nae-Dong Yang, National Taiwan University, Taiwan, ROC; Wenpeng Zhang, Ohio University, USA Summative rating scales are among the most efficient and comprehensive ways to assess frequency of language learning strategy use. This article discusses applications of this assessment technique and describes the most widely employed strategy scale, the ESL/EFL version of the Strategy Inventoryfor Language Learning (SILL). Reliability of the SILL is high across many cultural groups. Validity of the SILL rests on its predictive and correlative link with language performance (course grades, standardized test scores, ratings of proficiency), as well as its confirmed relationship to sensory preferences. Studies of strategy use frequencies and factor analytic results across cultures are included. INTRODUCTION One of the most prevalent ways to assess the use of language learning strategies is to use a summative rating scale, popularly known as a questionnaire, an inventory, or (less accurately) a survey. The most often used strategy scale around the world at this time is the Strategy Inventoryfor LanguageLearning(SILL, Oxford, 1986-1990). This article has four purposes: (1) to present information on the advantages and disadvantages of using a strategy scale in comparison with other means of strategy assessment; (2) to discuss strategy scales other than the SILL; (3) to provide detailed results concerning the ESL/EFL SILL itself: utility, reliability, validity, frequency-of-strategy-use studies, and underlying factor structure; and (4) to offer implications for research and instruction.
  • 2. 2 REBECCA L. OXFORD and JUDITH A. BURRY-STOCK ADVANTAGES AND DISADVANTAGES OF STRATEGY INSTRUMENTS Compared with the other strategy assessment techniques, student-completed, summative rating scales have a number of advantages. These self-report scales are easy and quick to give, provide a general assessment of each student's typical strategies across a variety of possible tasks, may be the most cost-effective mode of strategy assessment, and are almost completely nonthreatening when administered using paper and pencil (or computer) under conditions of confidentiality. Moreover, many students discover a great deal about themselves from taking a strategy scale, especially one like the SILL that is self-scoring and that provides immediate learner feedback. However, a disadvantage of the SILL and other strategy scales is that they do not describe in detail the language learning strategies a student uses in response to any specific language task (as does the more time-consuming think-aloud protocol). Each of the other techniques also has advantages and disadvantages (explored in more detail by Cohen, 1987; Oxford, 1990b). For example, informal and formal observation are easy to use in the classroom but cannot provide information on unobservable, mental strategies such as reasoning or analyzing. Interviews, whether formal or not, provide personalized information on many types of strategies that would not be available through observation, but they take considerable time from the teacher and the students. Group discussions can give a wonderful picture of the strategies used by the class as a whole, but they do not offer full information about the strategies used by any individual student. Language learning diaries and dialogue journals provide detailed, rich data on learning strategies for individuals, but the data do not provide direct comparisons between students because of the open-ended nature of the diaries or journals. Recollective narratives (or other recollective modes) generally unite language learning strategies with other important aspects of learning, such as motivation and learning style, providing a "big picture" of the whole learning process, yet recollectives might (in learners whose memories tend toward leveling rather than toward sharpening) be influenced by slight loss of detail. Think-aloud protocols offer the most detailed information of all because the student describes strategies while doing a language task; but these protocols are usually used only on a one-to-one basis, take a great deal of time, reflect strategies related just to the task at hand (not a general portrait of the individual's strategies in toto), and are not summative across students for group information. Most of these strategy assessment techniques involve some type of learner self-report. The reason for researchers' frequent use of learner self-report is that it is often difficult for researchers to employ standard observational method. Thus, much of the research on language learning strategies depends on learners' willingness and ability to describe their internal behaviors, both cognitive and affective (emotional), as noted by Oxford (1990b) and Harlow (1988). This situation has led some people to question learning strategy research because of possible problems in self-reporting: "social desirability" biases in responses, over-subjectivity, inability to verbalize clearly, and low self-awareness among certain learners. Nevertheless, researchers have discovered, through conducting repeated studies with clear instructions in situations where no grades or sanctions are involved with strategy use, that many or most language learners are capable of remembering their strategies and describing them lucidly and in a relatively objective manner (see, e.g. Chamot and Kupper, 1989; O'Malley and Chamot, 1990).
  • 3. STRATEGY INVENTORY FOR LANGUAGE LEARNING 3 STRATEGY RATING SCALES OTHER THAN THE SILL Bialystok (1981) used a 12-item, structured, untitled rating scale to assess strategy use. The scale asked questions about the extent to which strategies were used on both oral and written tasks in communicative settings (the strategies were functional practice and inferencing or guessing) and in formal classroom settings (the strategies were formal practice and monitoring). Using the scale with students of French in grades 10 and 12 in Canada, Bialystok found that functional practice had a stronger relationship with achievement than did any of the other strategies, even though monitoring and inferencing were used more often. Formal practice with rules and structures was less effective as students advanced to higher levels of learning, but functional practice had no such limitation. Reliability and validity data were absent for this instrument. Politzer (1983) published 1-4-scaled strategy scale including 51 items divided into three groups: general behaviors, classroom behaviors, and interactions outside of class. Using this survey with US university students of French, German, and Spanish, Politzer found that course level influenced strategy use, with higher-level students using more so-called "positive" strategies (i.e. strategies related to communicative language proficiency); and that females used social learning strategies more often than males. No reliability or validity data were given. Politzer and McGroarty (1985) used a somewhat similar Behavior Questionnaire containing 66 items divided into three groups: individual study behaviors, classroom behaviors, and interactions outside of class. Reliability was marginally acceptable (.51, .61, and .63). The survey was used with students learning intensive ESL in an eight-week course. Improvements in ESL achievement were related to individual strategies, such as asking questions for clarification. Successful strategies for grammar differed from those for listening and speaking. Major academic field had a significant effect on strategy choice, with engineers avoiding strategies that were deemed "positive" for gaining communicative language proficiency; but there was an overlap with nationality, since many engineers were also Asian. McGroarty (1987) used a 56-item Language Learning Strategy Student Questionnaire with a 0-6 range, divided into the same three groups as in the Politzer and McGroarty study above. No reliability or validity data were published. University students of Spanish, although taught by communicative methods, nevertheless avoided authentic practice strategy and used traditional learning strategies, such as relying heavily on the dictionary. The Learning Strategies Inventory (Chamot et al., 1987) is a 48-item, 1-4-scaled instrument divided into five parts: listening in class, speaking in class, listening and speaking outside of class, writing, and reading. The items showed different ways of applying a total of 16 strategies. Students of Russian used more strategies than students of Spanish. Spanish and Russian students used somewhat different strategies across language levels (beginning and intermediate/advanced). No data were published on reliability or validity. Padron and Waxman (1988) developed a 14-item, 1-3-scaled instrument to assess reading strategies of Hispanic ESL students in grades 3-5. Seven of the items were expected to be positively related to learning and seven negatively related. Results showed that six of the
  • 4. 4 REBECCA L. OXFORD and JUDITH A. BURRY-STOCK seven most-used strategies were in the predicted-positive group. However, only two strategies were significantly related to learning outcomes, and these were both in the negative direction; no strategies significantly helped learning to occur. No reliability or validity data were offered. Bedell (1993) points out a number of additional strategy scales. Huang (1984) and Huang and van Naerssen (1987) used a Strategies Questionnaire for Chinese EFL learners. This instrument includes some scaled items and some yes-no items, as well as free-response questions. Most of the items concern strategies for improving listening and speaking skills. Wangsotorn et al. (1986) used the Chulalongkorn University Language Institute Learning Strategy Form A (consisting of 42 yes-no statements about students behaviors) for Thai learners of EFL. Kim (1991) designed a Perceptual Learning Strategy Questionnaire, including 18 items. Noguchi's (1991) Questionnaire for Learners is an instrument with 24 items on a 3-point scale and 24 more on a 4-point scale, based largely on items from the SILL. Wen and Johnson's (1991) strategy scale is also adapted from the SILL. Few of the above instruments have any published reliability or validity data. This is the key reason that the SILL was developed. If the psychometric properties of reliability and validity have not been explored, it is impossible to know whether we can put faith in the results of the research. Another reason for developing the SILL is that the instruments just mentioned do not always systematically represent all the kinds of strategies viewed as important to language learning. A more comprehensive scale was needed for measuring strategy use among ESL and EFL students. THE STRATEGY INVENTORY FOR LANGUAGE LEARNING (SILL) Development The SILL (Oxford 1986-present) was first designed as an instrument for assessing the frequency of use of language learning strategies by students at the Defense Language Institute in Monterey, California. Two revised versions of the SILL, one for foreign language learners whose native language is English (80 items) and the other for learners of English as a second or foreign language (ESL/EFL, 50 items), were published in an appendix to Oxford's (1990b) learning strategy book for language teachers. This article deals only with research done using the 50-item (short) version. It is estimated that 40-50 major studies, including a dozen dissertations and theses, have been done using the SILL. These studies have involved an estimated 8000-8500 language learners. According to research reports and articles published in the English language within the last 10-15 years, the SILL appears to be the only language learning strategy instrument that has been extensively checked for reliability and validated in multiple ways. The SILL uses a choice of five Likert-scale responses for each strategy described: never or almost never true of me, generally not true of me, somewhat true of me, generally true of me, and always or almost always true of me. The SILL response options were based on the widely used and well accepted response options of the Learning and Study Strategies Inventory described by Weinstein et al. (1987). On the SILL, learners are asked to indicate their response (1, 2, 3, 4, or 5) to a strategy description, such as "I try to find patterns in English" or
  • 5. STRATEGY INVENTORY FOR LANGUAGELEARNING 5 "I plan my schedule so I will have enough time to study English." In addition to the original English version, the ESL/EFL SILL has been translated into the following languages: Arabic, Chinese, French, German, Japanese, Korean, Russian, Spanish, Thai, and Ukrainian. In 1989, the SILL was organized according to strategy groups using a statistical procedure called factor analysis. This procedure allows the researcher to subdivide an instrument into dimensions usually referred to subscales or factors. Six subscales were developed based on the early factor analyses, with the intent that each subscale would have an adequate number of items to facilitate more in-depth research and understanding of the learning strategies for ESL/EFL. These early subscales include: (1) Memory.strategies, such as grouping, imagery, rhyming, and structured reviewing (nine items). (2) Cognitive strategies, such as reasoning, analyzing, summarizing (all reflective of deep processing), as well as general practicing (14 items). (3) Compensation strategies (to compensate for limited knowledge), such as guessing meanings from the context in reading and listening and using synonyms and gestures to convey meaning when the precise expression is not known (six items). (4) Metacognitive strategies, such as paying attention, consciously searching for practice opportunities, planning for language tasks, self-evaluating one's progress, and monitoring error (nine items). (5) Affective (emotional, motivation-related) strategies, such as anxiety reduction, self- encouragement, and self-reward (six items). (6) Social strategies, such as asking questions, cooperating with native speakers of the language, and becoming culturally aware (six items). As shown above, the largest group of items is the cognitive strategies. This stands to reason, because research on learning strategies suggests that cognitive strategies possess the greatest variety, covering strategies related to practice and to the all-important "deep processing" in which learners analyze, synthesize, and transform new information (Oxford and Ehrman, 1995). A SILL package includes: a short set of directions to the student with a sample item, the 50-item instrument, a scoring worksheet on which students record their answers and calculate their averages for each strategy subscale and their overall average, a summary profile that shows students' results and provides examples for student self-interpretation, and a strategy graph that allows each learner to graph results from the SILL. A background questionnaire is also available to document age, sex, language experience, motivation, and other information (see Oxford, 1990b). PSYCHOMETRIC QUALITIES OF THE ESL/EFL SILL This section describes the psychometric quality of the 50-item ESL/EFL SILL. Normally, such quality is established and presented in terms of utility, reliability, and validity. (Note that psychometric quality data are also available for the longer form of the SILL that was designed
  • 6. 6 REBECCA L. OXFORD and JUDITH A. BURRY-STOCK for native English speakers learning foreign languages; see Oxford, 1992; Oxford and Ehrman, 1995.) Utility An instrument might be reliable and valid (see explanations below) without being very useful. The utility of an instrument is important to its overall psychometric quality. Utility is the usefulness of an instrument in real-world settings for making decisions relevant to people's lives. The SILL has utility, according to the many people around the world who have employed it. The most frequent venue has been the classroom, where the goal has been chiefly to reveal the relationship between strategy use and language performance. The reason this goal is important is that if there is a strong relationship between these two variables, perhaps language performance can be improved by enhancing strategy use. Other classroom uses of the SILL have included assessing strategy use at a given point, to be compared with strategy use later (sometimes after strategy training interventions); comparing the often very different learning strategies of women and men; making the conceptual linkage between strategy use and underlying learning styles; and individualizing classroom instruction based on the strategy use of different students. So far the utility of the SILL has not included making placements of individuals into language classes on the basis of strategy use results; that is a use the author of the SILL does not particularly recommend. See the reference list for dozens of studies showing various uses of the SILL. Reliability Reliability refers to the degree of precision or accuracy of scores on an instrument. In the case of the SILL, Cronbach alpha, a measure of internal consistency, was chosen as the most appropriate reliability index. Cronbach alpha reliability coefficient is used on continuous data such as the Likert-type scale in the SILL. Though the current ESL/EFL SILL was constructed using six subscales, reliability of the SILL is determined with the whole instrument. In general, the ESL/EFL SILL reliabilities have been high. With the ESL/EFL SILL, Cronbach alphas have been: .94 using the Chinese translation with a sample of 590 Taiwanese university EFL learners (Yang, 1992a); .92 using the Japanese translation with 255 Japanese university and college EFL students (Watanabe, 1990); .91 using the Korean translation with 59 Korean university EFL learners (Oh, 1992); .93 using the researcher-revised Korean translation with 332 Korean university EFL learners (Park, 1994); and .91 using the Puerto Rican Spanish translation with 374 EFL learners on the island of Puerto Rico. (These reliabilities are similar to those--.91-.95--found for the 80-item foreign language SILL given in the native language of the respondent; see Oxford, 1986; Oxford and Nyikos, 1989; Wildner-Bassett, 1992a; Bedell, 1993; Nyikos and Oxford, 1993; Oxford and Burry, 1993.) Slightly lower but still very acceptable reliabilities are found for the ESL/EFL SILL when it is not administered in the native language of the respondents but is given in English instead. All the reliabilities below refer to heterogeneous (multi-language) groups of ESL learners in the U.S. Phillips' (1990, 1991) data had a reliability of .87 with 141 students. SILL data from Oxford et al. (1989) showed a reliability of .86 with 159 students. Anderson's (1993) data on 95 students had a reliability of .91. Involving 31 learners, Talbott's (1993) data had a
  • 7. STRATEGY INVENTORY FOR LANGUAGELEARNING 7 reliability of .85. A three-study combination (merging ESL data from Oxford et al., 1990; Anderson 1993; Talbott 1993) showed a reliability of .88 with 137 students. Thus, reliability of the ESL/EFL SILL goes down, but not greatly, when the SILL is administered in the target language, English, rather than in the respondent's native language. The reliability of the SILL administered in this manner contains somewhat more measurement error due to the confounding language effect. However, these reliabilities are very respectable, and the SILL can be administered in the respondent's native language or a foreign or second language with confidence that measurement error is minimal. Validio, Validity refers to the degree to which an instrument measures what it purports to measure. Several bases exist for validity: content validity, criterion-related validity, and construct validity. A content-validity study. Content validity is determined by professional judgement. The content validity of the SILL is very high. Two strategy experts matched the SILL items with agreement at .99 against entries in a comprehensive language learning strategy taxonomy, which itself was built from a detailed blueprint of a range of over 200 possible strategy types (for complete details see Oxford, 1986). Criterion-related validity studies related to language performance. Criterion-related validity involves either predictive or concurrent relationships between the key variable, in this case learning strategy use, and other important variables, in this case language performance. Predictive validity, one form of criterion-related validity, is established with the use of a criterion and at least one predictor variable in a simple or multiple regression analysis. Concurrent validity, another form of criterion-related validity, is demonstrated when data are collected for all variables at one time. Both concurrent and predictive SILL validity are shown in relationships between the SILL on the one hand and language performance on the other. This evidence is probably the strongest support possible to the assertion of the validity of the SILL. A number of studies have demonstrated this relationship. In these ESL/EFL SILL studies, language performance is measured in various ways: general language proficiency tests (Rossi-Le, 1989; Phillips, 1990, 1991; Chang, 1991; Wen and Johnson, 1991; Green and Oxford, 1992; Park 1994), oral language proficiency tests (Chang, 1991), grades in a language course (Mullins, 1991), language achievement tests directly related to course content (Oxford et al., 1993a, b), proficiency self-ratings (Oxford and Nyikos, 1989; Watanabe, 1990; Chang, 1991), and professional language career status (Ehrman and Oxford, 1989). Here are some examples of the relationship between strategy use on the ESL/EFL SILL and language performance. Rossi-Le (1989) found that for 147 adult ESL students in the midwestern and the northeastern parts of the US, language proficiency level (on a standardized test) predicted strategy use in multiple regression analyses. More proficient ESL students used self-management strategies like planning and evaluating (p < .006) and formal practice (p < .02) significantly more often than less proficient ESL students.
  • 8. 8 REBECCA L. OXFORD and JUDITH A. BURRY-STOCK Strategy use was related to language achievement scores (final test grades) in a study involving 107 high school students of Japanese. The ESL/EFL SILL was modified slightly for the distance education students in this study by Oxford et al. (1993a, b). In a multiple regression analysis, learning strategy use was a moderate but significant predictor of Japanese language achievement (.20, p < .04). The only other significant predictor was the degree of learner motivation (.30, p < .003). Using a modified version of the ESL/EFL SILL translated into Japanese, Wen and Johnson (1991) studied the learning strategies of 242 second-year English majors at seven postsecondary institutions in Nanjing and Shanghai. These subjects had recent national English proficiency scores that averaged 10 points higher than the country's mean. Using a partial least square procedure, a multiple regression procedure, the researchers found that one- third of the variance in English proficiency was related to combined effects of six variables, three of which were groups of strategies taken from the SILL. Takeuchi (1993a) used multiple regression and found that eight SILL items predicted 58% of the variance in scores on the Comprehensive English Language Test. The CELT was used in that study to measure English achievement among 78 Japanese first-year students of English at a women's college in Kyoto. The figure of 58% is unusually high when compared with previous studies. Four strategies positively predicted language achievement: writing notes, messages, letters, or reports in English; trying not to translate word-for-word; dividing words into parts to find meaning; and paying attention when someone is speaking English. Four strategies negatively predicted language achievement: asking questions in English; using flashcards; writing down feelings in a language learning diary; and trying to find as many ways as possible to use English. Takeuchi explained some of these findings based on cultural influences (see also Takeuchi, 1991a, b, 1993b). Construct Validity Studies. Construct validity concerns how well a theoretical construct is measured. A variety of statistical procedures is used to bring meaning to construct validity. Since most instruments, including the SILL, are written to define an abstract notion of a theoretical construct, it is necessary to use a number of statistical procedures to establish evidence that this theoretical construct is defined by the items on the instrument. For instance, correlation coefficients are an index from -1 to +1 which describes the degree to which two phenomena "vary together" in strength (stronger is close to 1) and direction (positively or negatively). Analysis of variance (ANOVA) and multivariate analysis of variance (MANOVA) use pre-established groups to demonstrate construct validity. If two distinct groups have different results on an assessment, the instrument differentiates between known groups, which provides evidence of construct validity. Factor analysis and multidimensional scaling are also used to document the dimensionality of the theoretical construct. Watanabe (1990) asked university and college EFL students in Japan to rate from low to high their own proficiency in English. These proficiency self-ratings correlated moderately (average r = .30) with SILL strategies (p < .0005-.001), except for those in the social/affective strategies. This means that in general most SILL strategies were used more often by students who rated their language proficiency higher and used less often by students who rated their language proficiency lower.
  • 9. STRATEGY INVENTORY FOR LANGUAGELEARNING 9 Chang (1991) used the SILL to investigate the learning strategies and English proficiency of 50 mainland Chinese and Taiwanese ESL students at a southeastern university in the US. Three measures of proficiency (self-ratings and two standardized tests) showed different effects on strategy use. Students who rated themselves above average in proficiency used more strategies overall than those who rated themselves below average. Neither the scores on the Test of English as a Foreign Language (TOEFL) nor the llyin Oral Interview significantly affected overall strategy use, but students with high scores on the oral interview used significantly more social strategies than those with low scores. Park (1994) employed the SILL to determine the relationship between strategy use and proficiency among 332 students of EFL at the Korea Maritime University and Inha University. Park divided the subjects into three groups according to their strategy use: low, medium and high. Then Park calculated TOEFL scores for each group. According to ANOVA, the TOEFL mean scores of these three groups differed significantly from each other. Post hoc tests showed that the high strategy group has a language proficiency score that was significantly higher than that of the medium strategy use group, which in turn had a higher language proficiency score than that of the low strategy use group. Thus, a linear relationship was shown between strategy use and language proficiency. In addition, Park found that the correlation between total TOEFL scores and strategy use was r = .34 (p < .0001). Cognitive, social and metacognitive strategies had a higher relationship (r = .33, .30, and .28, respectively) to TOEFL scores than did other kinds of strategies (memory, r = .24; affective, r = .23; compensation, r = ,21). Phillips (1990, 199 l) found strong relationships between ESL/EFL SILL frequencies and English proficiency levels (measured by the TOEFL) among 141 adult ESL learners in seven western states in the US. She found no consistent differences between high-proficiency students and low-proficiency students on entire strategy categories, so she looked at strategies singly. She found that middle scorers on the TOEFL, who thus had moderate proficiency in English, showed significantly higher overall strategy use than did the high-proficiency or the low-proficiency group, when strategy use was defined as the mean number of strategies used frequently and the mean number of strategy categories that had at least one frequently used strategy. The profile of medium-proficiency students using more strategies more often than high-proficiency or low-proficiency students produced a curvilinear pattern. Additionally, Phillips discovered that high TOEFL scorers used certain learning strategies significantly more often than low TOEFL scorers: paraphrasing, defining clear goals for learning English, and avoiding verbatim translation. The low TOEFL scorers reported significantly greater use of certain strategies, many of which would logically be found among beginning students: using flashcards, finding out how to be a better speaker, looking for conversation partners, noticing tension or nervousness, and writing down feelings in a journal. Green (1991) investigated 213 Spanish-speaking students learning English on the island of Puerto Rico. These students can be designated as neither ESL students nor EFL students but are instead a hybrid of the two categories owing to their high English input and their low English output; they have great amounts of stimulation in English but do not need to produce the language for survival reasons. The English as a Second Language Achievement Test (ESLAT), which was used in the study, is a measure of overall English proficiency (not achievement on a given curriculum). Green found moderate and significant correlations,
  • 10. 10 REBECCA L. OXFORD and JUDITH A. BURRY-STOCK usually in the high .30s, between SILL strategy factors and ESLAT proficiency scores, and he discovered the same level of correlations between individual SILL items and proficiency scores. In a later analysis of variance, Green (1992):showed that language level had a statistically significant influence on strategy use, with higher-proficiency students in general using strategies more frequently than lower-proficiency students. With a larger sample of 374 students, Green and Oxford (in preparation) found that language proficiency level had significant effects on the use of the following kinds of strategies: compensation strategies (p < .0001), cognitive strategies (p < .0001), metacognitive strategies (p < .0025), and social strategies (p < .008). Two other categories of strategies, memory and affective strategies, displayed no significant difference by proficiency level. In the four significant categories, higher proficiency was associated with more frequent strategy use. Significant variation occurred by gender, with females using strategies significantly more often than males in this study. In Mullins' (1991) SILL study, 110 Thai university-level EFL majors showed linkages between strategy use and various measures of English proficiency. For instance, compensation strategy use correlated at r = .38 (p < .0001) with language placement scores and at r = .32 (p < .006) with language course grades. A correlation of r = .24 (p < .03) was found between metacognitive strategy use and language course grades. However, a negative correlation of r = -.32 (p < .005) was found between affective strategy use and language entrance examination scores, which are different from language placement scores in this particular Thai university. It is possible that students who are very anxious and who resort to affective strategies do less well on the entrance examination. As shown by Dreyer and Oxford (in preparation), approximately 45% of the total variance in language proficiency (TOEFL scores) in a South African ESL study was explained by learning strategy use as measured by SILL. A regression analysis demonstrated that the greatest part of the variance was accounted for by metacognitive strategies, with much smaller amounts contributed by affective and social strategies. Canonical correlation showed a highly significant relationship between the parts of the TOEFL and the categories on the SILL (r = .73). The sample consisted of 305 Afrikaans first-year university students learning ESL in South Africa (Dreyer, 1992). Thus, ESL/EFL SILL strategy frequency is related, as expected, to language performance in a number of studies, thus providing validity evidence for the SILL as a strategy instrument. (These results agree with earlier research using varied strategy assessment instruments; for instance, Huang, 1984; Corrales and Call, 1989; Oxford and Nyikos, 1989; O'Malley and Chamot 1990.) In most but not all instances, the relationship is linear, showing that more advanced or more proficient students use strategies more frequently. Criterion-related and construct validity in relationship to learning styles. Strong relationships between learning strategy use and sensory preferences---often viewed as an aspect of learning style--have been posited (see, e.g. Oxford et al., 1991). Visual students are described by Oxford et al. as using strategies involving reading alone in a quiet place or paying attention to blackboards, movies, computer screens, and other forms of visual stimulation. Auditory students are comfortable without visual input and frequently use strategies that encourage conversation in a noisy, social environment with multiple sources of aural stimulation.
  • 11. STRATEGY INVENTORY FOR LANGUAGE LEARNING 11 Kinesthetic students need movement strategies, and tactile students require strategies that involve manipulating real objects in the classroom; both types need to use the strategy of taking frequent breaks. Some ESL/EFL SILL data exist supporting the link between learning strategy use and sensory preferences, thus at the same time strengthening the evidence of validity of the SILL. Rossi-Le (1989) found a significant relationship (p < .0005) between sensory preference (visual, auditory, tactile and kinesthetic) and overall strategy use on the ESL/EFL SILL through a MANOVA, and she also found significant predictive relationships through multiple regression. Rossi-Le's MANOVA results showed that visual learners preferred visualization strategies (p < .0005). Auditory-style learners used memory strategies more than did other learners (p < .0005). Compared with others, tactile learners demonstrated significant use of strategies for searching for and communicating meaning (p < .006) and self-management/metacognitive strategies (p < .02). Kinesthetic learners did not use general study strategies (p < .003) or self- management/metacognitive strategies (p < .02) as often as others did. The regression results indicated that a visual learning style predicted using visualization strategies (B = .33, p < .00005). Being a visual learner, however, negatively predicted using independent strategies (13 = -.22, p < .001), affective strategies (B = -.23, p < .009), and strategies for searching for and communicating meaning (B = -.22, p < .008). Having an auditory learning style significantly predicted memory strategies (13-- .38, p < .0008) and self- management or metacognitive strategies (13= -.20, p < .01) but was a negative predictor of employing authentic language use strategies (13 = -.20, p < .01). Being a tactile learner significantly predicted employing authentic language use strategies (B = .26, p < .001) and strategies for meaning (B = .32, p < .0002) but negatively predicted use of memory strategies (B = -. 16, p < .04). A kinesthetic learning style predicted infrequent use of general study strategies (13= -.32, p < .002). Thus, these predictions are low-to-moderate and significant. Fakability (social desirability) results: another indicator of validity. If people are not honest in their answers, validity is destroyed. Social desirability response bias is the tendency of a person to answer dishonestly for one of two purposes: to please the researcher or to show himself or herself as being a good or socially acceptable person. This response bias can lead to "faking the results". Is the ESL/EFL SILL likely to draw upon this kind of bias? Is the SILL vulnerable to validity problems caused by dishonest responses? Yang (1992b, 1993) tested the ESL/EFL SILL for "fakability" of responses (using the well known and respected Marlowe-Crown Social Desirability Scale) with 505 Taiwanese students of English as a foreign language. She found no statistical evidence that students faked any of their answers on the SILL. In repeated studies with the ESL/EFL SILL, the first author of this article has examined the data statistically to determine the number of low, medium, and high frequencies. Social desirability response bias would cause respondents to try to show very frequent (very high) use of strategies. This was not the case; the responses showed a range of strategy use and were in no way clustered at the extremely high end (except for the responses of language teachers, who might be expected to use significant numbers of strategies frequently).
  • 12. 12 REBECCA L. OXFORD and JUDITH A. BURRY-STOCK STRATEGY FREQUENCY STUDIES USING THE EFL/ESL SILL Frequency of use of language learning strategies appears to be directly related to whether students are in an ESL or EFL setting (or in a hybrid of ESL and EFL environments, as in Puerto Rico). Moreover, significant differences related to career interests, institution, cultural background, and gender have been found in the frequency of strategy use. A few comparisons of SILL frequencies are presented here. Averages of 3.5-5.0 were usually considered high strategy use; 2.5-3.4 were designated medium strategy use; and 1.0-2.4 were regarded as low strategy use. Frequency of strategy use related to foreign vs. second language environments Oxford et al. (1989) found high frequencies of use for 60% of the strategies on the SILL with 159 ESL learners in the US. These strategies included self-management, authentic language use, strategies for searching for and communicating meaning, general study strategies, affective strategies, and formal practice strategies. Medium-frequencies of use in that study were found for memory strategies, social strategies, visualization strategies, and strategies for studying or practicing independently. Likewise, Rossi-Le (1989) found that among 147 adult learners in two community colleges in the US, one in the midwest and the other in New England, high frequencies of strategy use existed for most of the strategies, including social strategies, authentic language strategies, visualization strategies, formal practice strategies, metacognitive strategies, memory strategies, and affective strategies. The rest of the strategies, including general study strategies, strategies for searching for and communicating meaning, and strategies for studying independently, showed medium use. Similarly, Oxford et al. (1989), with a sample of 43 ESL students at a large northeastern university in the US, found high levels of strategy use for two-thirds of the strategy groups, including social, metacognitive, cognitive, and compensation strategies, while medium levels of use were uncovered for the other two strategy categories, affective and memory strategies. Phillips (1990, 1991) investigated the strategies of 141 adult ESL learners in seven western states and found that half of the strategy groups were used at a high level (metacognitive, social, and compensation strategies), while the others were used at a medium level (cognitive, affective, and memory strategies). Chang (1991) used the SILL to investigate frequencies of strategy use of 50 Chinese ESL students at a southeastern university in the US. (Additional measures, as discussed earlier, were self-ratings of proficiency and two standardized proficiency tests.) In this study, Chang found the highest use of compensation strategies and the lowest use of affective strategies. Humanities and social science majors used more learning strategies than science majors. Green's (1991, 1992) preliminary study of 213 students (not to be confused with Green and Oxford's larger study of 374 students in 1993) at a Puerto Rican university showed that only one strategy category was used at a high level: metacognitive strategies; the other categories were used at a medium level: social, cognitive, compensation, affective, and memory strategies. The island of Puerto Rico, though bombarded by English input through TV, radio and movies, does not demand English as a survival tool; Puerto Rico is thus a hybrid of ESL and EFL elements.
  • 13. STRATEGY INVENTORY FOR LANGUAGELEARNING 13 Oh (1992), who conducted a study involving 59 EFL students from the National Fisheries University in Korea, found that the only strategy category used at a high frequency was metacognitive strategies, while medium-frequency strategies were compensation, affective, social, and cognitive, and memory strategies were used at a low frequency. The 332 Korean university students in a different study by Park (1994) used all groups of strategies at a medium frequency level. They used metacognitive, memory, and compensation strategies somewhat more often than cognitive, social, and affective strategies, but all were in the medium range. These students were all at the intermediate level of language proficiency on the TOEFL. In another investigation, Noguchi (1991) studied 174 junior high Japanese learners of EFL. In the first author's reanalysis of the data using Noguchi's frequency codes, we found that almost all the strategy groups had medium to low use. Social strategies were notably unpopular with these Japanese junior high students, as were metacognitive and affective strategies; somewhat more popular were memory and cognitive strategies. Klassen (1994) conducted a study of learning strategies of 228 freshmen English students at Feng-Chia University in Taiwan. Subscale frequency means were: compensation 3.36, affective 2.72, metacognitive 2.86, social 2.72, cognitive 2.69, and memory 2.64. All these frequencies represent medium use; compensation strategies edged toward high use but did not reach it. Somewhat similar results were found by Yang (1994), who led a pre- and post-test study involving 68 Taiwanese university students of English. Pre-test frequencies were all medium (2.92-3.28) except for compensation strategies, which were slightly above medium (3.57). Likewise, post-test frequencies were all medium (3.08-3.31), except for compensation strategies (3.65), after a semester of discussing strategies. The Puerto Rican, Korean, Japanese, and Taiwanese students in these studies (Green, 1991, 1992; Noguchi, 1991; Oh, 1992; Green and Oxford, 1993; Klassen, 1994; Park, 1994; Yang, 1994) did not need English for daily survival. They did not necessarily want to become expert language learners and were not using most kinds of strategies often. Frequency of strategy use related to career interests In contrast to many of the above results, in a study by Mullins (1992) of 110 Thai university EFL students majoring in English, half of the strategy categories were used at a high level (compensation, cognitive, and metacognitive), while the other half were used at a medium level (social, affective, and memory strategies). The differences between the Green ESL/EFL hybrid results, the Oh EFL results, and the Noguchi EFL results on the one hand, and the Mullins EFL results on the other can be explained by the fact that Mullins' EFL subjects had specialized career interests. Mullins' subjects were all majoring in English and were probably self-chosen as better language learners. This speculation is supported by Indonesian EFL data provided by Davis and Abas (1991), who found that 64 language faculty members from four higher education institutions--all expected to be good language learners--showed high- frequency use of five out of six strategy groups (metacognitive, social, compensation, cognitive, and memory), with medium use of affective strategies. Frequency of strategy use related to the institution Frequency of strategy use might sometimes be related to the prestige of the institution, which
  • 14. 14 REBECCA L. OXFORD and JUDITH A. BURRY-STOCK is in turn related to the kinds of students who are accepted by the institution. Watanabe (1990) investigated the strategies of 316 EFL students in Japan and used a principal components analysis to create strategy categories. He found that one of his samples, which came from a prestigious university, used language learning strategies more frequently than the other sample, which came from a less prestigious college. The first sample used compensation and affective strategies at a high level, with other strategy categories at a medium level. The second sample used all strategy groups at a medium level. Frequency of strategy use related to culture Bedell (1993) presented 50-item SILL frequency data from a number of studies on a graph, indicating low to high frequencies. The main message found in Bedall's graph is that different cultural groups use particular kinds of strategies at different levels of frequency. Bedell's study also included use of the 80-item SILL with 353 Chinese subjects and showed a linear relationship between strategy use and proficiency. Frequency of strategy use related to gender In many ESL/EFL strategy frequency studies involving gender, the results have usually favored females as more frequent users of strategies (for instance, Oxford et al., 1988, 1993a, b; Ehrman and Oxford, 1989; Green, 1991, 1992; Noguchi, 1991; Dreyer, 1992; Yang, 1992b, 1993; Green and Oxford, 1993; Oxford, 1993a, b). In a few studies, females have had a distinctly different pattern of strategy use from that of males (Watanabe, 1990; Bedell, 1993). Some studies, noted by Bedell and by Green and Oxford, have shown that males have surpassed females on individual strategies but not on whole clusters or categories of strategies. SEARCHING FOR THE UNDERLYING STRUCTURE OF THE ESL/EFL SILL: RECENT FACTOR ANALYSES A large meta-study (Oxford and Burry, 1993; Oxford, 1994) compared the factor structures of six sets of ESL/EFL SILL data. The six sets included: (1) Green and Oxford (1993)--374 ESL/EFL ("hybrid") university students in Puerto Rico; (2) Yang (1992a)--590 university EFL students in Taiwan, a larger group than Yang used in her dissertation (1992b, 1993); (3) Zhang (1994)--741 secondary school EFL students in the People's Republic of China; (4) Watanabe (1990)--255 university EFL students in Japan; (5) Boraie et al. (1994)--761 adult EFL learners in Cairo, Egypt; and (6) the combination of Anderson (1993), Talbott (1993), and Oxford et al. (1990)--137 university ESL students in the US. A nine-factor, principal components, Varimax (oblique) solution was chosen for the six studies, using the Kaiser rule of eigenvalues greater than 1.0. Factor loadings greater than or equal to .30 were considered acceptable for simple structure. This solution accounted for over 50% of the variance in most data sets (51.6% in Puerto Rico, 51.9% in Taiwan, 43.7% in the People's Republic of China, 53.3% in Japan, 44.4% in Egypt, and 51.9% in combined US). This finding suggests that for most samples, about one half of the language learning strategy use is represented by the items on the identified SILL factors. Bedell (1993) conducted exactly the same kind of factor analysis with another group, 353 EFL students from the People's Republic of China; however, Bedell used the 80-item version of the SILL rather than the
  • 15. STRATEGY INVENTORY FOR LANGUAGE LEARNING 15 50-item ESL/EFL version, so the results, while broadly comparable, are not totally parallel. Bedell's Factor 1 consisted of functional practice-productive strategies (active, naturalistic language use). Bedell's other factors included: (2) metacognitive (management); (3) compensation; (4) functional practice-receptive; (5) review and reception; (6) memory- vocabulary; (7) formal practice and affective; (8) social and error-correction; (9) cognitive- analytic. This overall structure accounted for 41% of the variance in SILL responses in the Bedell study. Now we turn to the six factor analyses using the 50-item SILL (Table 1). Table 1.Factoranalysiscomparisonacrosssix datasets Factor/ Location PuertoRico Taiwan PRChina Japan Egypt CombinedUS 1 Active Metacognitive Active Active Metacognitive languageuse planning languageuse languageuse planning 2 Metacognitive Active Metacognitive Sensory Sensory planning languageuse planning memory memory strategies strategies 3 Affective Memory Affective Metacognitive/ Affective and social and analysis and social social/affective and social 4 Reflection Formal Sensory Compensation Active (analysis& oral practice memory and analysis language anxiety) strategies use 5 Sensory Social Compensation Formal Request memory strategies in reading oralpractice and strategies repetition 6 Social/ Compensation Metacognitive Affective Sensory cognitive in reading and affective strategies memory conversation and anxiety 7 Sensory Affective Sensory Compensation (visual) strategies (visual) in speaking in reading memory memory & listening 8 Cognitive Compensation Attention Attention General and in speaking tokey to key memory relaxation details details strategies 9 General General General Reflection Sensory compensation memory memory (analysis& memory strategies strategies anxiety) strategies Active languageuse Metacognitive planning Affective strategies Sensory memory strategies Social strategies Compensation and analysis Compensation Metacognitive planning General memory strategies Compensation and nonanalytic Puerto Rico For Puerto Rico, Factor 1 was comprised of strategies for active, naturalistic language use (21.6% of the variance explained by this factor). These strategies included reading for pleasure, seeking opportunities to read in English, looking for people to talk to, writing notes and other items in English, practicing English with others, reading without looking up all the words, starting conversations in English, asking questions in English, watching TV or movies in English, finding ways to use English, having clear goals, developing cultural understanding, using new words in a sentence, and trying to talk like native speakers of English. Factor 2 was primarily comprised of metacognitive planning strategies (7.1%), Factor 3 affective and social
  • 16. 16 REBECCA L. OXFORD and JUDITH A. BURRY-STOCK strategies (4.8%), Factor 4 reflective strategies for language analysis and anxiety awareness (3.8%), Factor 5 sensory memory strategies (3.7%), Factor 6 social and cognitive strategies for conversation practice (3.1%), Factor 7 sensory, chiefly visual, memory strategies (2.6%), Factor 8 strategies for cognitively manipulating the language and trying to relax (2.5%), and Factor 9 general compensation strategies (2.4%). Taiwan For Taiwan, the most explanatory factor, Factor 1, was metacognitive strategies (26.3% of the variance), including planning the schedule, looking for reading opportunities, having clear goals, thinking about progress, reviewing often, making summaries, looking for conversation partners, trying to find better ways to learn English, and noticing mistakes to learn better. Factor 2 was clearly an active, naturalistic language use factor (4.9%), Factor 3 concerned memory and analytic strategies (4.2%), Factor 4 formal oral practice strategies (3.8%), Factor 5 social strategies (3.3%), Factor 6 compensation in reading (2.9%), Factor 7 affective strategies (2.6%), Factor 8 compensation in speaking (2.4%), and Factor 9 general memory strategies (2.3%). People's Republic of China For the mainland Chinese sample in the Zhang study, Factor 1consisted of active, naturalistic language use and accounted for 18.9% of the variance. Strategies loading on this factor included finding conversation partners, starting conversations in English, watching English language TV or movies, finding ways to use English, writing notes and other items in English, reading for pleasure, learning the culture, encouraging oneself to speak despite fear, trying to talk like native speakers, guessing what the speaker will say, writing in a language learning diary, using new words in sentences, using words in different ways, asking for correction, looking for practice opportunities, and practicing with others. Factor 2 (4.7%) was devoted to metacognitive planning strategies, Factor 3 (3.8%) affective and social strategies, Factor 4 (3.3%) sensory memory strategies, Factor 5 (2.9%) compensation in reading, Factor 6 (2.7%) metacognitive and affective strategies, factor 7 (2.5%) sensory, mainly visual, memory strategies, Factor 8 (2.5%) attention to key details, and Factor 9 (2.4%) general memory strategies. Japan For Japan, strategies for active, naturalistic language use comprised Factor 1, the primary explanatory factor (23.3% of the variance). These included starting conversations, looking for people to talk with, writing in English, reading for pleasure, finding reading opportunities, asking questions, using TV/radio, finding ways to use the language, learning about the culture, encouraging oneself, avoiding translation, asking for help, using familiar words differently, imitating speech, reading without looking up words, anticipating the speaker, finding a different way to say something, and using gestures or the native language temporarily. Factor 2 chiefly concerned sensory memory strategies (6.7%), Factor 3 metacognitive, social, and affective strategies (5.0%), Factor 4 compensation and analysis strategies (3.8%), Factor 5 for formal oral practice (3.5%), Factor 6 affective strategies (3.3%), Factor 7 compensation in speaking (2.8%), Factor 8 attention to key details (2.6%), and Factor 9 strategies for reflection (related to analysis and anxiety) (2.5%).
  • 17. STRATEGY INVENTORY FOR LANGUAGELEARNING 17 Egypt The Egyptian study of adult EFL learners produced the following factors. Factor 1, which accounted for 10.7% of the variance, consisted mainly of metacognitive planning strategies (finding out how to be a better language learner, thinking about progress, paying attention to the speaker, finding as many ways as possible to use English, looking for people to talk to in English, planning the schedule for studying, looking for opportunities to read in English) supplemented by social, compensation, and active use strategies. Factor 2 (5.0%) was composed of sensory memory strategies, Factor 3 (5.3%) affective and social strategies, Factor 4 (4.7%) active, naturalistic language use, Factor 5 (4.4%) request and repetition, Factor 6 (3.6%) sensory memory strategies and anxiety-reduction strategies, Factor 7 (4.4%) compensation in reading and listening, Factor 8 (3.1%) general memory strategies, and Factor 9 (3.4%) sensory memory strategies. Combined US For the combined US sample, Factor 1 was made up of strategies for active, naturalistic language use (16.6% of the variance), including imitating speech, using TV/radio, starting conversations, using familiar words differently, practicing sounds or alphabet, finding ways to use the language, guessing, encouraging oneself, writing in English, skimming, saying or writing repeatedly, finding a different way to say something, trying to concentrate on the speaker, planning goals, making summaries, putting new words into sentences, looking for people to talk with, and reading for pleasure. Subsidiary factors included: Factor 2, metacognitive planning strategies (8.5%); Factor 3, affective strategies (5.4%); Factor 4, sensory memory strategies (5.2%); Factor 5, social strategies (4.1%); Factor 6, compensation and analytic strategies (3.8%); Factor 7, metacognitive planning strategies (3.2%); Factor 8, general memory strategies (3.2%); and Factor 9, compensation strategies not involving analysis (3.0%). Table 2. Commonfactorsacrossdata sets Factorname Locationand factor number Activelanguageuse Metacognitiveplanning Sensorymemorystrategies Affectiveand social Affectivestrategies Reflection(analysis& anxiety) Formaloral practice Compensationand analysis Compensationin speaking Socialstrategies Sensory(visual)memory Attentionto key details Generalmemorystrategies PuertoRico 1,PR China 1,Japan 1,CombinedUS 1,Taiwan 2, Egypt4 Taiwan 1,Egypt 1,PuertoRico 2, PR China2, CombinedUS 2 and 7 Japan 2, Egypt 2 and 9, PR China4, CombinedUS 4, Puerto Rico5 Puerto Rico 3, PR China 3, Egypt 3 CombinedUS 3, Japan 4, Taiwan7 PuertoRico 4, Japan 9 Taiwan4, Japan 5 Japan 4, CombinedUS 6 Japan 7, Taiwan 8 Taiwan 5, CombinedUS 5 PuertoRico 7, PR China 7 PR China 8, Japan 8 CombinedUS 8, Taiwan9, PR China9 Comparisons and comments Among the most important factors explaining the variance were active, naturalistic language use, metacognitive planning, and sensory memory strategies. These three factors appeared repeatedly across data sets. Affective and social strategies as a combination, affective
  • 18. 18 REBECCA L. OXFORD and JUDITH A. BURRY-STOCK strategies alone, reflective strategies, formal oral practice, compensation and analysis, compensation in speaking, social strategies, visual memory, attention to key details, and general memory strategies were also common to various data sets (Table 2). Egypt stood out as the most unique data set (Table 3), with four factors not found elsewhere: request and repetition, memory and anxiety, memory and compensation, and compensation in reading and listening. Puerto Rico was also atypical, with three unique factors: social/cognitive conversation, cognitive and relaxation, and general compensation. Taiwan had two unique factors: first, memory and analysis; and second, compensation in reading. The People's Republic of China, Japan, and combined US each had only one unique factor. Because of the national and cultural differences in these factor analyses, it is obvious that the same SILL factor structure might not be appropriate for all people who are learning ESL or EFL. National/cultural differences exist, even though a particular individual might not fully reflect the trends. It would be helpful in the future to create country-by-country SILL norms around the world based on large-scale factor analyses. At this point we have only single data sets from most countries with which to work. To make completely defensible national/cultural norms, we would prefer several large data sets from each country. Table 3. Unique factors in various data sets Location Factor name and number Puerto Rico Taiwan PR China Japan Egypt Combined US Social/cognitive conversation (6), cognitive and relaxation (8), general compensation (9) Memory and analysis (3), compensation in reading (6) Metacognitive and affective (6) Metacognitive/social/affective (3) Request and repetition (5), sensory memory and anxiety (6), compensation in reading and listening (7), memory and compensation (8) Compensation and nonanalytic (9) IMPLICATIONS FOR RESEARCH AND INSTRUCTION First, language researchers must conceptualize language learning strategies in a way that includes the social and affective sides of learning (as shown in the SILL) as well as the more intellectual and "executive-managerial" sides. Language learning, more than almost any other discipline, is an adventure of the whole person, not just a cognitive or metacognitive exercise. Second, through strategy assessment teachers can help their students recognize the power of using language learning strategies for making learning quicker, easier, and more effective. Teachers can help students identify their current learning strategies by means of surveys, interviews, diaries, think-aloud protocols, or other means (for details see Cohen, 1987; Oxford, 1990b). Teachers need to know the advantages and disadvantages of each assessment technique. Multiple techniques are to be encouraged whenever the time and resources are available. When time and resources are restricted, teachers should use the most reliable and valid strategy assessment measure that they can; for many people to date, this has been the SILL. Third, based on the information from strategy assessment, teachers can weave learning strategy training into regular classroom events in a natural, comfortable, but explicit way.
  • 19. STRATEGYINVENTORYFORLANGUAGELEARNING 19 Chamot and Kupper (1989), Oxford (1990b), and O'Malley and Chamot (1990) provide helpful details on how to do this. Teachers must also keep in mind differences in motivation, learning style, gender, and other factors that affect learning strategy use. Fourth, strategy assessments using different measurement modes with the same sample of students could be cross-correlated. This would contribute to the validity of various assessment techniques. For instance, it would be useful to correlate results from a think-aloud protocol, an interview, and a survey to see how closely they relate to each other. If results show that an interview and a survey are highly correlated but that they are only weakly correlated with a think-aloud procedure, this information would be useful in selection of an assessment procedure. Fifth, studies will need to be replicated so that more consistent information becomes available within and across populations. Particularly important is more information on how students from different cultural backgrounds and different countries use language learning strategies. As shown above, students from different countries utilize different strategies and prioritize common strategies differently. Further effort is underway to replicate this summary study and develop norms for each specific country. In sum, it is critical that learning strategies be considered when planning courses, teaching students, and designing classroom research. Learning strategies germane to various countries should be among the first considerations of any ESL/EFL teacher or researcher who wants to enhance student learning. Acknowledgement--Thanks to MarthaNyikos and KatalinNyikosfor field-testingthe earliestversion of the ESL/EFL SILLand for makingsuggestionsaboutrevisingthe instrument. REFERENCES ANDERSON,N. (1993) Data on adultESL strategyuse. Unpublishedmanuscript,Ohio University,Athens,OH. BEDELL, D. (1993a) Chinese data on EFL strategy use among university students. Unpublished manuscript, Universityof Alabama,Tuscaloosa,AL. BEDELL, D. (1993b) Crosscultural variation in the choice of language learning strategies: A mainland Chinese investigationwithcomparisonto previous studies. Unpublishedmaster's thesis, University of Alabama, Tuscaloosa, AL. BIALYSTOK,E. (1978)A theoreticalmodelof secondlanguagelearning.Language Learning 28, 69-83. BIALYSTOK,E. (1981) The role of conscious strategiesin second languageproficiency.Modern Language Journal 65, 24-35. BORAIE, D., KASSABGY, O. and OXFORD, R. (1994) Empowering teachers and learners: Style and strategy awareness.Paper presentedat the annual meetingof Teachers of English to Speakersof Other Languages,Baltimore, MD. CHAMOT, A. U. and KUPPER, L. (1989) Learning strategies in foreign language instruction. Foreign Language Annals 22, 13-24. CHAMOT, A. U., O'MALLEY, J. M., KUPPER L. and IMPINK-HERNANDEZ,M. (1987) A study of learning strategies inforeign language instruction: first year report. InterAmericaResearchAssociates,Rosslyn,VA.
  • 20. 20 REBECCAL. OXFORDandJUDITHA. BURRY-STOCK CHANG, S.-J. (1991) A study of language learning behaviors of Chinese students at the University of Georgia and the relation of those behaviors to oral proficiency and other factors. Unpublished doctoral dissertation, University of Georgia, Athens, GA. COHEN, A. D. (1987) Studying learner strategies: How we get the Information. In Wenden, A. L. and Rubin, J. (eds), Learner Strategies in Language Learning, pp. 31-42. Englewood Cliffs, NJ: Prentice-Hall. CORRALES, O. and CALL, M. E. (1989) At a loss for words: The use of communication strategies to convey lexical meaning. Foreign Language Annals 22, 227-240. DAVIS, E. and ABAS, H. (1991) Second Language Learning Strategies Utilized by Some Members of Language Departments at Four lnstitutions--Sulawesi, Indonesia. Sulawesi, Indonesia: Summer Institute of Linguistics. DREYER, C. (1992) Learner variables as predictors of ESL proficiency. Unpublished doctoral dissertation, Potchefstroom University, South Africa. DREYER, C. and OXFORD, R. (1995) Learner variables related to ESL proficiency among Afrikaans-speakers in South Africa. TESOL Quarterly (submitted). EHRMAN, M. E. and OXFORD, R. L. (1989) Effects of sex differences, career choice, and psychological type on adult language learning strategies. Modern Language Journal 73, 1-13. EHRMAN, M. E. and OXFORD, R. L. (1990) Adult language learning styles and strategies in an intensive training setting. Modern Language Journal 74, 311-327. GREEN, J. (1991) Language learning strategies of Puerto Rican university students. Paper presented at the annual meeting of Puerto Rico Teachers of English to Speakers of Other Languages, San Juan, PR. GREEN, J. M. (1992) Additional analyses of Puerto Rican strategy data. Unpublished manuscript, University of Puerto Rico at Mayaguez. GREEN, J. and OXFORD, R. (1993) New analyses on expanded Puerto Rican strategy data. Unpublished manuscript, University of Puerto Rico at Mayaguez and University of Alabama, Tuscaloosa, AL. HARLOW, L. (1988) The effects of the yellow highlighter--Second-language learner strategies and their effectiveness: a research update. Canadian Modern Language Review 45, 91-102. HUANG, X.-H. (1984) An investigation of learning strategies in oral communication that Chinese EFL learners in China employ. Unpublished master's thesis, Chinese University of Hong Kong. HUANG, X.-H and VAN NAERSSEN, M. (1987) Learning strategies for oral communication. Applied Linguistics 8, 287-307. KEEFE, J. W. and MONK, J. S., with LETTERI, C. A., LANGUIS, M. and DUNN, R. (1989). Learning Style Profile. Reston, VA: National Association of Secondary School Principals. K/M, J.-D. (1991) A comparison of learning strategies of college students enrolled in beginning and advanced English as a second language. Unpublished doctoral dissertation, Loma Linda University, Loma Linda, CA. KLASSEN, J. (1994) The language learning strategies of freshman English students in Taiwan: a case study. Master's thesis, California State University at Chico, CA. LAWRENCE, G. (1984) A synthesis of learning style research involving the MBTI. Journal of Psychological Type, 2-15. McGROARTY, M. (1987) Pattems of persistent second language learners: elementary Spanish. Paper presented at the annual meeting of Teachers of English to Speakers of Other Languages, Miami, FL. MULLINS, P. (1992) Successful English language learning strategies of students enrolled in the Faculty of Arts, Chulalongkorn University, Bangkok, Thailands. Unpublished doctoral dissertation, United States International University, San Diego, CA. MYERS, 1. and McCAULLEY, M. (1985) A Guide to the Development and Use of the Myers-Briggs Type Indicator. Palo alto, CA: Consulting Psychologists Press.
  • 21. STRATEGYINVENTORYFORLANGUAGELEARNING 21 NOGUCHI, T. (1991a) Review of language learning strategy research and its implications. Unpublished bachelor's thesis, Tottori University, Tottori, Japan. NOGUCHI, T. (1991b). Questionnairefor Learners. Tottori University, Tottori, Japan. NYIKOS, M. and OXFORD, R. (1993) A factor analytic study of language-learning strategy use: Interpretations from information-processing and social psychology Modern Language Journal 77, 11-22. OH, J. (1992) Learning strategies used by university EFL students in Korea. Language Teaching 1, 3-53.1. O'MALLEY, J. M. and CHAMOT, A. U. (1990) Learning Strategies in Second Language Acquisition. Cambridge: Cambridge University Press. OXFORD, R. L. (1986) Development and psychometric testing of the Strategy Inventory for Language Learning (SILL). ARI Technical Report 728. Alexandria, VA; Army Research Institute. Appendices as ARI Research Note 86-92. OXFORD, R. L. (1986-present) Strategy Inventory for Language Learning. Various versions. Tuscaloosa, AL: Oxford Associates. OXFORD, R. L. (1989) Use of language learning strategies: A synthesis of studies with implications for strategy training. System 17, 235-247. OXFORD, R. L. (1990a) Language learning strategies and beyond: A look at strategies in the context of styles. In Magnan, S. S. (ed.), Shifting the Instructional Focus to the Learner, pp. 35-55. Middlebury, VT: Northeast Conference on the Teaching of Foreign Languages. OXFORD, R. L. (1990b) Language Learning Strategies: What Ever),Teacher Should Know. Newbury House/Harper & Row, New York. Now Boston: Heinle & Heinle. OXFORD, R. L. (1993a) Instructional implications of gender differences in language learning styles and strategies. Applied Language Learning 4, 65-94. OXFORD, R. L. (1993b) La difference continue... : Gender differences in second/foreign language learning styles and strategies. In J. Sutherland (ed.), Exploring gender, pp. 140-147. Englewood Cliffs, NJ: Prentice-Hall. OXFORD, R. L. and BURRY, J. A. (1993) Evolution, norming, and psychometric testing of Oxford's Strategy Inventory for Language Learning (SILL). Paper presented at the annual meeting of the National Council on Measurement in Education, Atlanta, GA. OXFORD, R. L. and EHRMAN, M. E. (1989) Psychological type and adult language learning strategies: A pilot study. Journal of Psychological Type 16, 22-32. OXFORD, R. L. and EHRMAN, M. E. (1995) Adults' language learning strategies in an intensive foreign language program in the United States. System in press. OXFORD, R. L., EHRMAN, M. E. and LAVINE, R. Z. (1991) Style wars: Teacher-student style conflicts in the language classroom. In S. S. Magnan (ed.), Challenges in the 1990sfor collegeforeign languageprograms, pp. 1-25. Boston: Heinle & Heinle. OXFORD, R. L. and NYIKOS, M. (1989) Variables affecting choice of language learning strategies by university students. Modern Language Journal 73(2), 291-300. OXFORD, R. L., NYIKOS, M. and EHRMAN, M. (1988) Vive la difference? Reflections on sex differences in use of language learning strategies. Foreign Language Annals 21(4), 321-329. OXFORD, R. L., NYIKOS, M., NYIKOS, K., LEZHNEV, V., EYRING, J. and ROSSI-LE, L. (1989) Learning strategies of adult ESL learners in the US: A collaborative study. Unpublished manuscript, University of Alabama, Tuscaloosa, AL. OXFORD, R. L., PARK-OH, Y., ITO, S. and SUMRALL, M. (1993a) Factors affecting achievement in a satellite- delivered Japanese language program. American Journal of Distance Education 7, 10-25. OXFORD, R. L., PARK-OH, Y., ITO, S. and SUMRALL, M. (1993b) Learning a language by satellite: What influences achievement? System 21(1), 3148.
  • 22. 22 REBECCAL. OXFORDandJUDITHA. BURRY-STOCK OXFORD, R. L., TALBOTT, V. and HALLECK, G. (1990) Language learning strategies, attitudes, motivation, and self-image of students in a university intensive ESL program. Paper presented at the annual meeting of International Teachers of English to Speakers of Other Languages, San Francisco, CA. PADRON, Y. N. and WAXMAN, H. C. (1988) The effects of ESL students' perceptions of their cognitive strategies on reading achievement. TESOL Quarterly 22, 146-150. PARK, G. (1994) Language learning strategies: why do adults need them? Manuscript, University of Texas at Austin. PHILLIPS, V. (1990) English as a second language learner strategies of adult Asian students using the Strategy Inventory for Language Learning. Unpublished doctoral dissertation, University of San Francisco, San Francisco, CA. PHILLIPS, V. (1991, Nov.) A look at learner strategy use and ESL proficiency. CATESOL Journal 56-67. POLITZER, R. (1983) An exploratory study of self-reported language learning behaviors and their relation to achievement. Studies in Second Language Acquisition 6, 54-65. POLITZER, R. and McGROARTY, M. (1985) An exploratory study of learning behaviors and their relationship to gains in linguistic and communicative competence. TESOL Quarterly 19, 103-124. ROSSI-LE, L. (1989) Perceptual learning style preferences and their relationship to language learning strategies in adult students of English as a second language. Unpublished doctoral dissertation, Drake University, Des Moines, IA. TALBOTT, V. (1993) Strategies of adult ESL students: Data. Unpublished manuscript, Skagit Valley Junior College, Washington. TAKEUCHI, O. (1991a) A study of EFL students' use of language learning strategies. Gohokenkyu to Eigokoyoiku (Studies on English Language Usage and Language Teaching) 13, 58~55. TAKEUCHI, O. (1991b) Language learning strategies in second and foreign language of strategies frequency. Bulletin of the Institutefor Interdisciplinary Studies of Culture 8, 64-83. TAKEUCHI, O. (1993a) A study of language learning strategies and their relation to achievement in EFL listening comprehension. Bulletin of the Institute of Interdisciplinary Studies of Culture 10, 131-141. TAKEUCHI, O. (1993b) Language learning strategies and their relationship to achievement in English as a foreign language. Language Laboratory 30, 17-34. WANGSOTORN, A., SRIPAIPAN, T., RATTANAPRUCKS, N., JARUNGGIDANAN, T., SINGKALWANIJ, P. and VEJAPHURTI, A. (1986) Relationships between learning modes and the beginners' success in English. Paper presented at the annual meeting of International Teachers of English to Speakers of Other Languages, Anaheim, CA. WATANABE, Y. (1990) External variables affecting language learning strategies of Japanese EFL learners: Effects of entrance examination, years spent at college/university, and staying overseas. Unpublished master's thesis, Lancaster University, Lancaster, UK. WEINSTEIN, C. E., PALMER, D. and SCHULTE, A. C. (1987) Learning and Study Strategies Inventory. Clearwater, FL: H & H Publishers. WEN, Q. and JOHNSON, R. K. (1991) Language learning approaches and outcomes: A study of tertiary English majors in China. Paper presented at the Sixth International Conference of the Institute of Language in Education, Hong Kong, China. WENDEN, A. and RUBIN, J. (eds) (1987) Learner Strategies in Language Learning. Englewood Cliffs, NJ: Prentice- Hall. WILDNER-BASSETT, M. (1992a) Data set of foreign language students' strategies. Unpublished manuscript, University of Arizona, Tucson, AZ. WILDNER-BASSET]?, M. (1992b) Relationships among language learning strategies, personality types, and learning styles. Paper presented at the annual meeting of the American Council on the Teaching of Foreign Languages, Chicago. YANG, N.-D. (1992a) Data on students in an intensive EFL program in Taipei. Unpublished manuscript, National Taiwan University.
  • 23. STRATEGYINVENTORYFOR LANGUAGELEARNING 23 YANG, N.-D. (1992b) Second language learners' beliefs about language learning and their use of learning strategies: A study of college students of English in Taiwan. Unpublished doctoral dissertation, University of Texas, Austin, TX. YANG, N.-D. (1993) Understanding Chinese students' language beliefs and learning strategy use. Paper presented at the annual meeting of International Teachers of English to Speakers of Other Languages, Atlanta, GA. YANG, N.-D. (1994) An investigation of Taiwanese college students' use of English learning strategies. Research report, National Taiwan University, Taiwan. ZHANG, W. (1994) Data on university EFL language use. Unpublished manuscript, Ohio University, Athens, OH. APPENDIX STRATEGIES MEASURED ON THE SILL (1) Think of relationships between known and new, (2) use new words in a sentence, (3) connect sounds and images, (4) use mental images, (5) use rhyme, (6) use flashcards, (7) physically act out words, (8) review often, (9) remember by location, (10) say or write words several times, (11) try to talk like native speakers, (12) practice sounds, (13) use words in different ways, (14) start conversations, (15) watch TV/movies, (16) read for pleasure, (17) write notes, messages, letters, or reports, (18) skim then read, (19) look for similar words across languages, (20) find patterns, (21) divide words for meaning, (22) avoid verbatim translation, (23) make summaries, (24) guess the unknown, (25) using gestures, (26) make up new words, (27) read without looking up words, (28) guess what the speaker will say, (29) use circumlocution or synonym, (30) find as many ways as possible to use English, (31) notice mistakes, (32) pay attention to the speaker, (33) find out how to learn better, (34) plan schedule, (35) look for conversation partners, (36) look for opportunities to read, (37) have clear goals, (38) think about progress, (39) relax when fearful, (40) encourage self to speak when afraid, (41) give self a reward, (42) notice tension, (43) write a learning diary, (44) talk about feelings, (45) ask for slowness or repetition, (46) ask for correction, (47) practice with others, (48) ask questions, (50) learn about culture.