Meta-analysis is a quantitative or statistical method for doing a literature review which replaces the traditional narrative method of reviewing literature. Statistics are taken from individual empirical studies and then statistical formulas are used to combine and test hypotheses. For feminist psychology, meta-analyses have usually been directed at the issue of gender differences. Meta-analyses have made and can continue to make contributions to the study of the psychology of women in these areas: (1) meta-analyses indicate psychological gender differences are small; (2) meta-analysis can be used to test the effect of sex of researchers on outcome of research; (3) validity in gender difference research can be addressed by meta-analysis; (4) meta-analysis can test competing theories and conceptualizations. Meta-analysis provides a healthy corrective to overestimation and overemphasis of psychological gender differences. (References are included.) (ABL)