Utilized an experimental design structure across 4 scientific contexts which tested 18 boys and 18 girls who were closely matched for ability levels and curriculum background. No gender differences were detected in the scientific contexts of observation, reporting, or planning skills, and there was no differential performance on the use of…

This was an experiment to test the extended discretion laboratory approach versus a guided-inquiry approach for teaching biology in a university setting. Among three criterion variables (examination, reports, and quizzes), only the laboratory report scores showed differences between groups and group-by-instructor interaction. (Author/YP)

Reported the development and validation of an integrated model of performance on chemical concept-volumetric analysis. Model was tested on 265 chemistry students in eight schools.Results indicated that for subjects using algorithms without understanding, performance on volumetric analysis problems was not influenced by proportional reasoning…

Contrasts the traditional honors program and the Advanced Placement program of the College Entrance Examination Board using the self-reports of 155 high school science teachers experienced in both programs. Examines the perceived influences of each program format upon the use of basic teaching techniques, laboratory experiences, pacing of the…