Review of related literature

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Discusses about related literature for studies

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Review of related literature

  1. 1. Pamela M. Veroy, RN, MAN
  2. 2. Review of Literature Content: This section discusses the theoretical foundations of the problem. The goal: is to develop your problem conceptually and place it in the context of previous scientific work. Thus, a conceptual integration of previous research is needed. Point out the themes, link, gaps, and inconsistencies in the literature with the aim to provide a clear conceptualization of the problem. Note that it is NOT the purpose of this section to display how much literature you have read. Avoid presenting a litany of past studies that are conceptually disconnected from each other.
  3. 3. Review of Literature This section provides justification of your problem and hypothesis: Why study these particular variables? Why propose these particular hypotheses? Why study the problem with this method?  What differentiates your approach from what has been previously done?
  4. 4. Review of Literature Format: Unlike other sections in Chapter I, this section is written in the past tense. Begin this section with a heading (bold, centered, upper- and lowercase). To enhance organization, use subheadings.
  5. 5. Types of Literature 1. Conceptual Literature 2. Research Literature Note: Researchers undertake a literature review to familiarize themselves with the knowledge base.
  6. 6. Purposes of Literature Review 1. Identification of a research problem and development or refinement of research questions or hypotheses 2. Orientation to what is known and not known about an area of inquiry, to ascertain what research can best make a contribution to the existing base of evidence
  7. 7. Purposes of Literature Review 3. Determination of any gaps or inconsistencies in a body of research 4. Determination of a need to replicate a prior study in a different setting or with a different study population 5. Identification or development of new or refined clinical interventions to test through empirical research
  8. 8. Purposes of Literature Review 6. Identification of relevant theoretical or conceptual frameworks for a research problem 7. Identification of suitable designs and data collection methods for a study 8. For those developing research proposals for funding, identification of experts in the field who could be used as consultants
  9. 9. Purposes of Literature Review 9. Assistance in interpreting study findings and in developing implications and recommendations
  10. 10. Scope of a Literature Search 1.Types of Information to Seek: Primary source research reports - descriptions of studies written by the researchers who conducted them Secondary source research reports - descriptions of studies prepared by someone other than the original researcher
  11. 11. Scope of a Literature Search 2. Depth and Breadth of Literature Coverage A review included in a research report. A review included in a research proposal. A review in a thesis or dissertation. Free-standing literature review.
  12. 12. Locating Relevant Literature for a Research Review 1. Electronic Literature Searches Commonly used service providers in World Wide Web: Aries Knowledge Finder (www.ariessys.com) Ebsco Information Services (www.ebsco.com) PaperChase (www.paperchase.com) Galaxy (www.galaxy.einet.net) Go Network (www.go.com) Hotbot Directory (www.hotbot.com) LookSmart (www.looksmart.com)
  13. 13. Locating Relevant Literature for a Research Review 1. Electronic Literature Searches Commonly used service providers: SilverPlatter Information (www.silverplatter.com) Magellan Web Guide (www.magellan.excite.com) Open Directory Project (www.dmoz.org) Web Crawler Channels (www.webcrawler.com) Yahoo (www.yahoo.com) Google (www.google.com)  Lycos (www.lycos.com)
  14. 14. Locating Relevant Literature for a Research Review Key Electronic Databases for Nurse Researchers: -a. CINAHL (Cumulative Index to Nursing and Allied Health Literature) -b. MEDLINE (Medical Literature On-Line) -c. AIDSLINE (AIDS Information On-Line) -d. CancerLit (Cancer Literature) -e. CHID (Combined Health Information Database)
  15. 15. Locating Relevant Literature for a Research Review Key Electronic Databases for Nurse Researchers: f. EMBASE (the Excerpta Medica database) g. ETOH (Alcohol and Alcohol Problems Science Database) h. HealthSTAR (Health Services, Technology, Administration, and Research) I. PsycINFO (Psychology Information)
  16. 16. Locating Relevant Literature for a Research Review 2. Print Resources Print indexes - are books that are used to locate articles in journals and periodicals, books, dissertations, publications of professional organizations, and government documents.
  17. 17. Locating Relevant Literature for a Research Review Common print indexes a. International Nursing Index b. Cumulative Index to Nursing and Allied Health Literature c. Nursing Studies Index d. Index Medicus e. Hospital Literature Index
  18. 18. Locating Relevant Literature for a Research Review 2. Print Resources Abstract Journals - summarize articles that have appeared in other journals. Two most important abstracts: -a. Nursing abstracts -b. Psychological abstracts
  19. 19. Reading Research Reports What are research journal articles?  - are reports that summarize a study or one aspect of a complex study. Content of Research Reports - research reports consist of introduction, method section, results section, discussion section, plus an abstract and references.
  20. 20. Flow of tasks in a literature review 1. Identify key words and key concepts to be searched 2. Identify potential references through electronic or manual search 3. Retrieve promising references 4. Screen references for relevance and appropriateness (Note: Discard irrelevant and inappropriate references)
  21. 21. Flow of tasks in a literature review 5. Read relevant reference and take notes 6. Identify new references through citations 7. Organize references 8. Analyze and integrate materials 9. Write review
  22. 22. 5 Parts of Review Literature Review 1. The introduction: state the nature of the research problem and states the research question 2. The body: reports what others have found or thought about the research problem. - Related study are usually discussed in group under subheads (to make the review easier to read) - Major studies described in more details, while less important work can be referred to in just a line or two
  23. 23. 5 Parts of Review Literature Review 2. The body: - Referring to several studies that reported similar results in a single sentence, somewhat like this; - Ex. Several other small-scale studies reported similar results (Adams, 1976; Brown, 1980; Cartright, 1981; Davis, 1985; Frost, 1987)
  24. 24. 5 Parts of Review Literature Review 3. The summary: ties together the main threads revealed in the literature reviewed - Presents a composite picture of what is known or thought to date - Give readers some idea how many other researchers have reported identical or similar findings or have similar recommendations. 4. Any conclusions:
  25. 25. 5 Parts of Review Literature Review 4. Any conclusions: the researcher feels justified based on the state of knowledge revealed in the literature should be included. 5. A Bibliography: a full bibliographic data for all sources mentioned in the review is essential.
  26. 26. Group Homework Find related studies in various sources - General source - Primary source - Secondary source Make an APA format from the sources taken Make a preliminary work of your chapter 2

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