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Based on the documented characteristics of the PsycINFO database, what methodological flaw exists in the researchers' written justification, and how should they appropriately describe the limitations of their database selection?
Case context: A team of undergraduate researchers is conducting a systematic review on the efficacy of cognitive behavioral therapy for generalized anxiety disorder. They execute their search string exclusively within the PsycINFO database, retrieve 450 peer-reviewed articles dating back to 1980, and write in their methodology section: 'Because PsycINFO is the official database of the American Psychological Association, our search strategy guarantees we have captured the complete body of available psychology publications on this topic.'
Question: Based on the documented characteristics of the PsycINFO database, what methodological flaw exists in the researchers' written justification, and how should they appropriately describe the limitations of their database selection?
Sample answer: The methodological flaw is the researchers' assumption that searching exclusively in PsycINFO guarantees capturing the complete body of psychology publications. While PsycINFO is a highly comprehensive database created by the APA that indexes thousands of sources, no single database is literally exhaustive. They should adjust their methodology section to correctly describe PsycINFO as a major, primary source for their literature search, while acknowledging the limitation that it does not represent the absolute complete body of all psychological research.
Key points:
- Identifies the false assumption that PsycINFO contains every single psychology publication.
- Recognizes that no single electronic database is literally exhaustive.
- Clarifies that PsycINFO is a major, important source for literature, not the absolute complete body of work.
- Suggests revising the methodology to accurately reflect PsycINFO's role as a comprehensive, but limited, database.
Rubric: A correct response must identify the flaw (the false belief that PsycINFO is literally exhaustive) and explain that the researchers should instead frame PsycINFO as a major, highly comprehensive source that still misses some publications.
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Research Methods in Psychology - 4th American Edition @ KPU
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