Editorial practices revolving around tests of statistical significance are explored. The logic of statistical significance testing is presented in an accessible manner--many people who use statistical tests might not place such a premium on them if they knew what the tests really do, and what they do not do. The etiology of decades of misuse of…

Statistical significance tests (SSTs) have been the object of much controversy among social scientists. Proponents have hailed SSTs as an objective means for minimizing the likelihood that chance factors have contributed to research results. Critics have both questioned the logic underlying SSTs and bemoaned the widespread misapplication and…

An important issue in educational and employment settings is the degree to which evidence of validity obtained in one situation can be generalized to another situation without further study of validity in the new situation. Theory, procedures, and applications concerning validity generalization are addressed. Meta-analytic techniques make possible…