Nine eighth grade classes were examined to identify the nature, distribution and patterning of verbal discourse. Included are a description of the categories used (Smith and Meux), a description of the nature of the verbal interaction in science lessons, and a resulting comparison between Australian, American, and New Zealand teachers. (DS)

Studied the relationship of teachers' I/D ratio to their students' achievement and retention of learning in senior high chemistry and junior high general science classes. Concluded that the student score on a standardized achievement test was dependent on the teacher I/D ratio as measured on Flanders scale. (CC)

Flander's interaction analysis techniques were used to identify direct" and indirect" junior high school teachers. Students of indirect teachers were superior on affective and cognitive measures. (AL)

Studied the effectiveness of using checklist-structured observations as a self-improvement technique for modifying teachers' verbal behaviors in the classroom. Concluded that significant changes were found in analyzing pre- and post-treatment audiotape recordings of participating teachers' regular classes. (CC)

Discusses the number of observations necessary to obtain a trustworthy sample of classroom transactions by reanalyzing existing data. Eleven to twenty observations appear necessary for teachers' questions which require students to hypothesize. The reliability of a single observation was zero for four other questioning types. (CC)