REVIEW OF LITERATURE

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REVIEW OF LITERATURE : 

REVIEW OF LITERATURE Sathish Rajamani M.Sc (N) 09688115454

Literature Review : 

Literature Review Introduction and Overview The term “literature review” is used as both a noun and a verb in nursing research Verb You are accustomed to doing a literature review to prepare for written papers. This means that you have searched for information on a topic and worked to understand how much information exists on a topic. 10/27/2010 2

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10/27/2010 3 Noun  In nursing research, the term “literature review” is also used to describe a portion of a written research report that is summary of the information known about a topic. Purposes of Literature Review As a source of research ideas, Can help to narrow a topic and sharpen ideas into problem statements.

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To give the researcher an idea about what is already known about a topic, Can help build assumptions that research can be built upon. To identify gaps in the body of knowledge To identify new clinical interventions to test through research To give ideas about appropriate conceptual frameworks To gain information about a research approach How have other researchers dealt with the topic? What research designs, samples, and instruments did they use? 10/27/2010 4

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Evaluate current practices and make recommendations for change Researchers summarize literature relevant to their own studies in the introduction of the research report. Both researchers and nonresearchers conduct literature reviews 10/27/2010 5

Scope of Literature Review : 

Scope of Literature Review Type of information to look for Depth of Information Type of Sources Methods for conducting the Literature Review (or how the heck do I start?) Skill worth cultivating – methods changing rapidly 10/27/2010 6

Type of information to look for : 

Type of information to look for Research findings Primary vs. secondary sources  Found in journals (remember, journals differ in quality – look for referred journals which are reviewed by experts)  Also check books, conference proceedings, etc.  Textbooks are OK to review all information on a topic but are generally not cited in a written report 10/27/2010 7

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THEORY Works by authors of conceptual frameworks can yield research ideas and how information from research fits into the body of knowledge. Methodological Information From research projects (as previously discussed)  Summaries of research  Books on measurement and existing tools for measuring variables 10/27/2010 8

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Opinions Good for background Generally not cited except when given by very well known and respected scholar Anecdotes and clinical description Again, good for background but not used in written literature review 10/27/2010 9

Depth of Information : 

Depth of Information Depends on several factors: How much is written on a topic How broad the problem is – how many variable Experience of researcher For your projects: emphasize quality references not quantity 10/27/2010 10

Type of Sources : 

Type of Sources Primary Source = description of a project written by the author who conducted the project Secondary Source = description of study by someone other than the original researcher 10/27/2010 11

Methods for conducting the Literature Review : 

Methods for conducting the Literature Review Electronic databases –  CINAHL- Cumulative Index to Nursing and Allied Health Literature – 1982 to present; covers all English language and many foreign languages nursing journals, as well as books, book chapters, dissertations, conference proceedings, etc.; on computer; one of the most useful to nurses 10/27/2010 12

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Medline Begin with the most recent and search backwards-usually begin with subject search; can also use textword search or author search Cochrane Database  ERIC (Educational Resources Information Center) – on computer  EMBASE (Excerpta Medical database)  PsycINFO (Psychology Information) 13

Conducting and Writing a Literature Review : 

Conducting and Writing a Literature Review Identify references  Locate references  Evaluate references for quality and appropriateness – read critically  Discard poor references – this is sometimes hard to do when you’ve gone to a lot of trouble to get one  Abstract and Record notes on good references  Use index cards  Full citation for bibliography  Problem statement or hypothesis  Theoretical framework  Key methods  Key findings 14

Write the review of the literature : 

Write the review of the literature Summarize the literature in your own words. do not use extensive quotes or strings of abstracts. Group related studies and summarize them. Go into more detail on your best references  Be objective. Don’t leave out important references because you don’t like their approach or results  Finish with a summary of the problem and include what has been studied and where your study fits into the knowledge base.  Give more details on the more important studies. 10/27/2010 15

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