Enough evidence has accumulated on Bloom's "Taxonomy of Educational Objectives" for the cognitive domain to justify a review of its communicability. This article covers both published and unpublished studies as well as certain informal reports that bear on this property. It also examines possibilities for improving agreement among…

"Outlier studies" identify items for which extreme differences in performance by contrasting groups occur; these extreme items are the "outliers" referred to. Review of the studies conducted on tests receiving major use in higher education reveals that though one cannot make a priori classifications of outliers with confidence,…

Ways in which the Statistical Package for the Social Sciences (SPSS) can be used to perform some Rasch analyses are described in detail. It is shown how SPSS and a set of item calibrations can be used to estimate person abilities, standard errors of measurement, test characteristic curve, test information curve, classification consistency on a…

Examines traditional psychometric approaches to measuring intelligence and recent work by cognitive psychologists to develop a rationale for a non-verbal reasoning test for 10- to 11-year-olds. Recent studies providing basis for analyzing structure of test items are outlined, and benefits of analyzing items at a sub-type level are discussed.…