Meta-analysis is a set of procedures used to quantify, integrate, and analyze the findings of a large number of research studies. The article describes the new statistical techniques used and provides an example of their application to data regarding gender differences in throwing velocity of children and adolescents. (Author/MT)

Integrates research on mathematics anxiety, regarding its nature, effects, and relief by using meta-analysis. Concludes that mathematics anxiety depresses performance and that mathematics and test anxieties both relate to general anxiety. Discusses the sex difference of the anxiety and its effects on achievement. (Author/YP)