1 Literature Literature Review Evaluating Existing Research.
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Transcript of 1 Literature Literature Review Evaluating Existing Research.
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LiteratureLiterature Review
Evaluating Existing Research
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Components of a Research Study Title Abstract Reflective Inquiry
Problem statement Literature review Theoretical framework Objectives Research
questions/hytpotheses
Procedures Research design Methodology Data quality
Findings Discussion Conclusion References
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Review: Problem Statement Components of the problem statement…
Lead-in Direction Originality Justification: Significance/ Value
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Literature Review Places the problem in context of known
knowledge: past research Identifies variables that previous studies
found either important or unimportant Suggests factors to consider in setting the
research design and methodology
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Literature Review Describes Synthesize
Critiques and relates Guide “your study”
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Literature Review Breadth and depth Cover all aspects of your topic When literature doesn’t exist- breaking into a
new area.
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What Is Cited? Key works: in classical studies, literature
review is comprehensive and includes the “original” source
Deciding which sources to cite--if many papers make the same point, which one to include: judgment call
Can be colored by various factors
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Some of the Reasons for Citing Paying homage to pioneers Giving credit to related work Identifying methodology, etc. Correcting a work Criticizing previous work Disputing priority claims of others (Taken from Weinstock, 1971)
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Some Observations Authors often fail to cite all pertinent work Authors tend to cite views that support their
own References are an expression of intellectual
indebtedness Journals could do more to ensure
standardization in citation practice
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More Observations Referencing is one way in which the scholarly
community distributes recognition To what extent is it reasonable to expect
referees to catch oversights/omissions/errors
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Inaccurate Referencing Misquoting misspellings wrongly cited
volumes/editions misleading pagination
and publication year variations in
abbreviations
Impacts retrieval of cited material
Impacts intellectual debt
Impacts accuracy of point made
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Common Deficiencies in the Review Excludes landmark studies Largely covers outdated or dated materials Parochial in perspective: discipline,
institutional, etc. Over-emphasizes description; too little
relating ….not critical Not relating the identified material to the
problem
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More Deficiencies Poorly organized review Not all the material is relevant or related as
relevant Dense writing: not meant to be widely read
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Summary It is important to know exactly how the
proposed work will depend upon and deviate from existing studies. Research tends to represent a logical extension of what is already known or available. Where there are sharp deviations, the reasons should be well explained and supported.
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FINDING RESEARCH ARTICLES
The research
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Finding Research Articles Focus on database that index scholarly
literature Identify useful search terms
Is “research” a document type or subject heading? What keywords might narrow your search?
Follow citations Identify key authors
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Finding Research Articles Look for key components:
Problem Statement Literature Review Methodology/ Procedures Findings
Notice terminology
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Evaluating Existing ResearchWhat makes research good?
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Importance of Evaluating Research To determine
What to trust What is applicable to our own situation Whether something is reliable/ credible What to include in our literature reviews What to use as models
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Evaluating Research Distinction between:
How well the research was done How well the research was reported
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Questions to Consider-based on Gorman & Clayton (2005)
Problem Definition/ Project Plan Is the purpose explained and justified? Is there evidence
of bias? Are relevant terms defined/ conceptualized? Are limitations noted/ corrected for when possible? Was a thorough literature review conducted, and related
to present research? Is there a theoretical basis/ model? Are research questions/ hypotheses/ objectives logically
related to the stated purpose or problem?
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Questions Cont’d Methodology/ Data Collection
Are relevant variables defined? Is author aware of intervening variables/ account for them?
Is population defined? If sampling is used, is it appropriate? If random sampling is claimed,
is it truly randomized? Is the methodology appropriate to the proposed problem/ research
questions? Is it adequately explained? Are data collection tools appropriate? Have they been tested for
reliability and validity? Are samples provided? Is there any triangulation of data/ mixing of methods? Esp. for
qualitative research? Are the researchers assumptions accounted for?
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Questions Cont’d: Reliability and Validity Reliability: when a method produces consistent
results In qualitative research, the researcher is involved,
may introduce bias. In such cases look for: Detailed methodology and abundant evidence Training/ qualifications of researchers Pre-testing/ use of preliminary data Triangulation Adequate time, context, and range of activities
observed
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Questions Cont’d: Reliability & Validity Validity: the extent to which something actually
measures what it purports to measure. Look for Triangulation Full documentation of data- chain of evidence Logical connections between data and
conclusions Self-reflection on part of researchers to examine
predispositions and bias Checks on accuracy of data
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Questions Cont’d Data Analysis
Are appropriate analyses conducted- relevant to the problem and questions? Are the tests appropriate for the type of data collected?
Are the data analysis techniques clearly described?
Are samples of data included? Were attempts made to verify accuracy of data?
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Questions Cont’d Findings and Conclusions
How are the findings organized and presented? If visuals/ graphics are included, are they appropriate and
pertinent? Is there any suggestion of bias? Does the presentation
seem straightforward? Are discussion points and conclusions drawn related to
data and findings? If appropriate, is there an attempt to generalize findings? Do conclusions accurately reflect data as presented? Are suggestions made for future research?
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Components of a Research Study Title Abstract Reflective Inquiry
Problem statement Literature review Theoretical framework Objectives Research
questions/hytpotheses
Procedures Research design Methodology Data quality
Findings Discussion Conclusion References
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How to Read a Research Paper A thorough literature review is important, but… You shouldn’t waste time reading prior research. Engage in pre-reading, reading, and post-reading Pre-reading
Focus on title, abstract, and main headings- will this report fill in information gaps.
Reading Focus on relevant parts of a report to confirm, modify, or add to what
you know. Post-reading
Make sure you have learned what you need to learn, make notes
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How to Read a Research Paper Start with Title, Abstract, Headings Read Introduction- look for motivations,
assumptions, relation to other work, overview Browse Literature Review- how does it all fit
in Read Conclusions to find results If relevant, go back to body of article, perhaps
skipping equations first time through.