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Literature Review

Literature Review. Alex Ferworn. What is a Literature Review?. According to Cooper (1988)... a literature review uses as its database reports of primary or original scholarship, does not report new primary scholarship itself...

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Literature Review

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  1. Literature Review Alex Ferworn

  2. What is a Literature Review? • According to Cooper (1988)... a literature review • uses as its database reports of primary or original scholarship, • does not report new primary scholarship itself... • The types of scholarship may be empirical, theoretical, critical/analytic, or methodological in nature. • Seeks to describe, summarize, evaluate, clarify and/or integrate the content of primary reports.‘ • It’s not about you!

  3. Why do a Review? • Know what to do (before starting research): • to identify gaps in the literature • Know where to start (starting): • to carry on from where others have already reached, or position your work relative to previous work • to identify information, methods and ideas that may be relevant to your work (i.e. avoid reinventing the wheel) • Know what you have done (finishing): • to increase your breadth of knowledge of your subject area • to put your work into perspective • Other: • to identify opposing views • to identify other people working in the same fields

  4. 5 Stages • Specifying • formulating the problem • Searching • collecting the data • Collating • evaluating the data • Analyzing • interpretation of the data • Writing • presentation of results

  5. 1. Specifying the Review • Topic • What subject will the review cover • Type of Review • Integrative, Theoretical, Methodological • Breadth of Review • The range of subjects that are covered • Depth of Review • The amount of detail that it goes into it

  6. Topic • Should be the easiest step, but: • Doesn’t need to be too specific • Has to be a subject covered in the literature • Be prepared to make (minor) alterations to the scope of the review as it proceeds • As you find out more, you will revise your goals for the review.

  7. Types of Review • Integrative • Drawing conclusions from many separate studies • …study A, B, C and D concluded that… • Theoretical • Present different theories to explain a certain phenomenon, comparing breadth, consistency and predictions • …this phenomenon is partially explained by the “A” theory which is summarized as… • Methodological • Examine methods that have been applied to a problem. • …the A, B and C algorithms have been applied to this problem…

  8. Breadth and depth • Need to specify the level of detail and the span of the survey • If the survey is too broad and too detailed, it may never be completed • Need to decide what sources to use (journals, books etc) • Be prepared to be dynamic • Change the scope of the review depending on the literature and your own constraints

  9. 2. Searching • Primary channels • Peer-reviewed sources • Secondary sources • Bibliographies, abstract archives • Controversial sources of information • Google, wikipedia, popular publications, web sites, your friends

  10. Scholarly Peer-Review • Process of subjecting an author's scholarly work, research, or ideas to the scrutiny of others who are experts in the same field, before a paper describing this work is published in a journal or other forum. • Peer review methods are employed to • maintain standards, • improve performance, and • provide credibility.

  11. Where to Start • Ryerson Library • Articles and Indexes • http://www.ryerson.ca/library/indexes.html • Ask A librarian • Brian Cameron • Will be here next week?

  12. Search Terms • Standard search terms include • Title • Author • Abstract • Keywords • Every search engine will have different syntax • Use Boolean operators (AND, OR etc) • Some search engines have online tutorials to teach you how to use them

  13. Search Process • Start with some relevant source • Find all references • Screen papers, selecting only those which are relevant and of high quality • Repeat steps 1-3 multiple times, building up a bibliographic source list • Remember to change the scope/detail of review, depending on literature that appears during search

  14. A Heuristic That Often Works • Find any paper in the area you are interested in. • Go to its reference section and find the first 10 references • Look up those papers and go to their reference sections and find each of their first 10 references • The papers that are referenced most are probably the “real literature”. • Use the “real literature” to identify secondary literature.

  15. Finding papers • The library is an extensive source of papers • Some papers may not be available from the online archives. If so: • Google for it • Inter-Library Loan • Email the author • Ask someone who may have it, or access to it

  16. Reference management software • There is a host of software available for helping find (and keep note of) references • Some are Web-based • RefWorks • Others are simple management programs, that are used to organize and correctly format references • EndNote • These can be very helpful as correct citation is critical and often confusing.

  17. 3. Collating: What to Keep • Critical analysis and organization of available literature: • Practical (Is it going to be useful?) • Is it in a language I can read? • Is it from the area I am reviewing? • It is from a peer-reviewed Journal I respect? • Quality (Is it any good?) • Did the authors sample the population fairly? • Did they treat the errors consistently and well?

  18. The Citations Fallacy • Can we judge how important a paper is by the number of citations it has? • A paper that creates a new subject area, or makes important progress in that area is likely to be cited a lot, however… • Many important papers are rarely cited, but that doesn’t mean they are not important • Many wrong papers are cited by people trying to disprove them (but that doesn’t mean the paper is not important) • A paper may be highly cited because the author is working in a fashionable area, and has a lot of friends • So citations are not necessarily measures of quality

  19. 4. Analyzing • What does the data actually tell us? • How does it apply to the topic of the review? • What conclusions can we draw? • Are there any major disagreements between different sources/studies?

  20. 5. Writing • Introduction • Define topic, & also parameters/terms • Body, where the review proceeds • Chronologically • Thematically • Methodologically • Conclusions • Include future questions to be answered

  21. Writing Hints • Don’t confuse a literature review with an annotated bibliography; • discuss themes, referencing many sources simultaneously. • Don’t add anything new! • Don’t make a statement without a reference (unless it is obvious or trivial) • Include a bibliography (!)

  22. Conclusions • The purpose of a review is not just to find what is in the literature, but also to draw conclusions from it. Have this in mind from the beginning. • Be as thorough as you can, bearing your constraints in mind • Be flexible, changing the scope of your review, or the amount of detail that you cover, as the review proceeds

  23. Bibliography • “Conducting Research Literature Reviews”, Arlene Fink, 1998, Sage Publications • “The Integrative Research Review - a systematic approach”, Harris M. Cooper, 1984, Sage Publications • David Parkinson, Research Fellow, Dept of Physics, Queensland University

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