Five studies identifying the relationships between teacher behavior and pupil achievement are reviewed. The purpose of the review is to report the most practical implications for teacher education. The behaviors listed in these studies represent only those teacher processes, skills, or performances that have exhibited statistically significant…

Statistical procedures are presented for determining ordinal and disordinal aptitude-treatment interactions with linear and curvilinear data. The paper presents a method for testing the homogeneity of group regressions for a single aptitude and provides models for expanding this test to linear and curvilinear regression planes. Procedures are…