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…

Six biology teachers and 90 students participated in this study. Results indicate that teachers can be trained to use a systematic questioning technique, trained teachers can employ the technique in classroom settings, and students taught by the technique achieve higher and retain knowledge longer than those in control groups. (JN)