Generalizability theory is used to show that the assumption that reliability for groups is greater than that for persons (and that error variance for groups is less than that for persons) is not necessarily true. Examples are provided from course evaluation and performance test literature. (SLD)

The five chapters of this report provide resources that deal with the validity, generalizability, comparability, performance standards, and fairness, equity, and bias of performance assessments. The book is written for experienced educational measurement practitioners, although an extensive familiarity with performance assessment is not required.…