A concise table is presented based on a general measure of magnitude of effect which allows direct determinations of statistical power over a practical range of values and alpha levels. The table also facilitates the setting of the research sample size needed to provide a given degree of power. (Author/CM)

Studies evaluating hypotheses about sources of differential item functioning (DIF) are classified into two categories: observational studies evaluating operational items and randomized DIF studies evaluating specially constructed items. For observational studies, advice is given for item classification, sample selection, the matching criterion,…

Develops Glaser and Strauss' (1967) suggestion that fieldwork techniques may be successfully adapted for content analysis research. Discusses relative advantages of literature and traditional fieldwork sites, and initial stages of doing fieldwork at literature sites; demonstrates method used through an evaluation of the hypothesis that prejudice…