Investigates time spent speaking by teacher and by pupils, the length of pupil classroom speeches, the range of individual differences in frequency and length of speech, the distribution of voluntary and nonvoluntary pupil speeches and their distribution among three categories: management, substantitive, and prohibitory. (Author)

This document describes the construction, implementation, and implication of selected high inference measures applied in a study of teacher effectiveness in the third, fourth, and fifth grades. Selected independent variables served as hypotheses regarding which behaviors are likely to occur during concept instruction and which are likely to be…