Introduces statistical and procedural methods of meta-analysis, and explains how to interpret the findings of meta-analytic studies currently appearing throughout the social science literature. Includes overview of meta-analysis and discussion of seven steps used in conducting a meta-analysis. (Author/NB)

Tells how to conduct a meta-analysis study, and refers readers to information about refinements of the techniques. A simple meta-analysis is presented. Describes three fundamental stages to conducting a meta-analysis: (1) literature review; (2) calculation of effect sizes; and (3) analysis of data. (Author/NB)

The use of measures of magnitude of effect has been advocated as a way to go beyond statistical tests of significance and to identify effects of a practical size. They have been used in meta-analysis to combine results of different studies. Describes problems associated with measures of magnitude of effect (particularly study size) and…