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Atkinson, Kayla M.; Koenka, Alison C.; Sanchez, Carmen E.; Moshontz, Hannah; Cooper, Harris – Research Synthesis Methods, 2015
A complete description of the literature search, including the criteria used for the inclusion of reports after they have been located, used in a research synthesis or meta-analysis is critical if subsequent researchers are to accurately evaluate and reproduce a synthesis' methods and results. Based on previous guidelines and new suggestions, we…
Descriptors: Literature Reviews, Reports, Meta Analysis, Evaluation Methods
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Cooper, Harris; Patall, Erika A. – Psychological Methods, 2009
The authors describe the relative benefits of conducting meta-analyses with (a) individual participant data (IPD) gathered from the constituent studies and (b) aggregated data (AD), or the group-level statistics (in particular, effect sizes) that appear in reports of a study's results. Given that both IPD and AD are equally available,…
Descriptors: Data Analysis, Meta Analysis, Databases, Coordination