Capturing study influence: the concept of 'gravity' in meta-analysis

Article


Gee, Travis. 2005. "Capturing study influence: the concept of 'gravity' in meta-analysis." Counselling, Psychotherapy and Health. 1 (1), pp. 51-75.
Article Title

Capturing study influence: the concept of 'gravity' in meta-analysis

Article CategoryArticle
Authors
AuthorGee, Travis
Journal TitleCounselling, Psychotherapy and Health
Journal Citation1 (1), pp. 51-75
Number of Pages24
Year2005
Place of PublicationGrange, Qld, Australia
Abstract

While much theory abounds over properties of meta-analyses, there appears to be very little work to date on examining jackknifed and exact distributions of the statistics generated by the method. This paper takes an initial step towards filling that gap by describing a SAS (SAS Institute, 2001) macro written by the author based on
another macro due to others, that performs jackknifed estimates of average effect size. It also suggests that ‘gravity’ is a property of studies included in a meta-analysis.
A computer simulation supports the utility of the approach, and proposals for future development of exact and approximate methods in ‘combinatorial meta analysis’ are
set forward

Keywordsstatistical analysis ; meta-analysis
ANZSRC Field of Research 2020520105. Psychological methodology, design and analysis
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Byline AffiliationsGriffith University
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