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Slovenija presentation


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This is a PPT about MCQ. It offers guidelines for making good items and gives a few hints about Item Analysis. …

This is a PPT about MCQ. It offers guidelines for making good items and gives a few hints about Item Analysis.
p.s. The first few slides looked OK on the big screen!

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  • 1. WHY NOT MAKE YOUR TESTS BETTER? By: Snežana Filipović
  • 2. Why do we test?
  • 3. “ The assumption is that is that best teacher is the teacher who devises classroom methods and techniques that derive from a comprehensive knowledge of the total process of language learning, of what is happening within the learner and within the teacher and the interaction between the two. All of this knowledge, however, remains somehow abstract in the mind of the teacher unless it can be empirically tested in the real world. Your theory of second language acquisition can be put into practice every day in the classroom, but you will never know how valid your theory is unless you systematically measure the success of your learners – the success of your theory-in-practice” Douglas Brown (1987:218)
  • 4. What makes a good test?
  • 5. Tests are good only when they are used for a particular purpose with the students for who they are intended
  • 7. STAGE 1 The design stage or THINK
  • 8. STAGE 2 The operationalisation stage or THINK & WRITE
  • 9. STAGE 3 The administration stage or TEST & THINK & CHANGE
  • 10. Some reasons why I like multiple choice tests
  • 11.
    • They are objective
    • They are quick to do and check
    • They test exactly what you want them to test
    • They can be easily analysed
  • 12. ONE REASON WHY I DO NOT LIKE THEM They are notoriously difficult to write
  • 13. Anatomy of a Multiple Choice Item 1. How did Tina go to the airport? - a) by bus - b) by car - c) on foot - d) by taxi stem alternatives distractor answer distractor distractor
  • 15. Each item should assess a single written objective Before writing an item, think about what it is that you want to test
  • 16. Include one and only one correct or clearly the best answer in each item
  • 17. The stem should not be burdened with irrelevant material, but shoul contain as much of an item as possible
  • 18. Layout of the answers should be clear and consistent. The alternatives should be listed vertically
  • 19. Avoid answering one item in the test by giving the answer somewhere else in the test
  • 20. Keep the items mutually exclusive
  • 21. The problem should be stated clearly in the stem. The students should not infer what the problem is
  • 22. Avoid changing pages in the middle of an item
  • 23. The alternatives should be kept homogenous in content. They should not consist of potpourri of statements related to the stem but unrelated to each other
  • 24. You should not provide clues as to which alternative is correct. Keep the grammar of each alternative consistent with the stem
  • 25. Distractors should be as plausible as possible. They should sound plausible only to an incompetent student
  • 26. Put the correct answer in each of the alternative positions approximately the equal number of times, in a random order
  • 27. Avoid the use of specific determiners. (never, always, only)
  • 28. Keep the alternatives similar in length
  • 29. Try to make the first few items relatively easy. Make sure you have items of the different level of difficulty
  • 30. Do not try to write the entire test in a day. It takes time, creativity and thinking to write good multiple choice items. Come back to the test a few days later, with a fresh eye
  • 31. Analyse the effectiveness of each item. Item analysis is an excelleny tool for this
  • 33. PURPOSE OF ITEM ANALYSIS - Evaluates the quality of each item - The quality of items determines the quality of the test - Suggests ways of improving the test - Suggests ways of improving teaching
  • 34. CLASSICAL ITEM ANALYSIS Item Facility Analysis Item Discrimination Analysis Distractor Efficiency Analysis
    • number of students answering correctly
    • IF = ---------------------------------------
    • number of students taking the test
  • 36. General Rules for Item Facility IF less than 0.20 - difficult test items IF 0.20 - 0.80 -moderately difficult items IF more than 0.80 - easy items
  • 37. ITEM DISCRIMINATION ANALYSIS We test because we want to find out if the students know the material, but all we learn for certain is how they did on the exam we gave them. The item discrimination index tests the test in the hope of keeping the correlation between the knowledge and exam performance as close as it can be in an admittedly imperfect system. Zurawski 1998: 2
  • 38. ITEM DISCRIMINATION ANALYSIS - Compares the performance of upper group of students (high test scorers) and lower group (low test scorers) on each item in the test
  • 39.
    • ID = IF upper - IF lower
  • 40.
    • 0.40 and up – Excellent items
    • 0.30 – 0.39 - Good items but possibly subject to improvement
    • 0.20 – 0.29 – Marginal items, usually needing and being subject to improvement
    • Below 0.19 – Poor items, to be rejected or improved by revision
  • 41. DISTRACTOR EFFICIENCY ANALYSIS How many students chose each option?
  • 42. A perfect item would have 2 characteristics: - Everyone who knows the material tested in the item would get it right - Students who do not know would have the answers equally distributed amount the options
  • 43. DISTRACTOR EFFICIENCY ANALYSIS Distractor Efficiency Table
  • 44. IT IS TIME FOR A COFFEE BREAK! (Thank you all for coming!)
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