Abstract
This paper describes the Hunter-Schmidt method of conducting
a Meta-Analysis. Meta-analysis is a set of statistical procedures
designed to accumulate experimental and correlational results across
independent studies that address a related set of research questions.
The paper gives a brief description of meta-analysis methods based
on procedures suggested by Hunter, Schmidt,and Jackson (1982), and
Hunter and Schmidt (1990). It also presents the formulas and procedures
needed for converting study statistics to a common metric, calculating
the sample weighted mean effect sizes r and d, and correcting
for range restriction, and sampling and measurement error. Finally
step-by-step details on how to conduct a meta-analysis are presented.
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Last revised January 15, 2004 by Larry
C. Lyons
Manassas, Virginia.
Portions Larry C. Lyons all rights reserved.
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