This article provides a description of a novel, attitude-focused, professional development intervention, and presents the results of an experimental pretest-posttest control group study investigating the effects of this intervention on primary teachers' personal attitudes toward science, attitudes toward teaching science, and their science…

Teachers often have difficulty implementing inquiry-based activities, leading to the arousal of negative emotions. In this multicase study of beginning physics teachers in Australia, we were interested in the extent to which their expectations were realized and how their classroom experiences while implementing extended experimental investigations…

Determines the effect on inquiry of different contingencies of reinforcement. Classes of biology students were exposed to one of four treatments: verbal reinforcement and mimicry; using student ideas as reinforcers; using special privileges as reinforcers; and no reinforcement. Results include verifications that verbal reinforcement and mimicry…

Addresses the significance of teacher role in the control of student behavior in laboratory groups. Elementary school science classes were observed and videotaped. Changes in interaction setting (teacher-class, pupil-pupil, and intervention) or "treatments" were noted for each class. Conclusions are made concerning teacher interventions…

Presents some considerations about the variable of "wait time," a pause after a teacher question so that students can think or a pause after a student statement. (PEB)