Sixty-three students in three undergraduate college classes were divided into three groups to investigate the effect of two delayed self-reporting techniques on attitudinal data toward a course and instructor. Nonparametric tests and intercorrelations of item treatment means, together with two-way analyses of variance on item clusters, indicated…

Several methodological problems (particularly the assumed bipolarity of scales, instructions regarding use of the midpoint, and concept-scale interaction) which may contribute to a lack of precision in the semantic differential technique were investigated. Results generally supported the use of the semantic differential. (Author/JKS)

When test questions are not intended to measure language skills, it is important to know if language is an extraneous characteristic that affects item performance. This study investigates whether certain stylistic changes in the way items are presented affect item performance on examinations for a health profession. The subjects were medical…