Conducted a study to examine the influence of grouping, by means of cooperative learning, on elementary preservice teachers' (n=84) science teaching efficacy. Confirms the relative superiority of heterogeneous cooperative learning. Concludes that a well-designed science teaching methods experience can enhance the development of science teaching…

This report describes the development of a criterion-referenced proficiency examination for dental auxiliaries that consists of both written and performance tests in each of five areas: chairside assisting, patient education, diagnostic aids, therapeutics, and laboratory procedures. The content outlines of the tests are presented. The formation of…