Originally designed to provide teachers with feedback and also used as a quantitative tool for specifying teacher behavior consistent with a psychological model of teaching described by Tuckman (1974), the Tuckman Teacher Feedback Form (TTFF) is a 28-item semantic differential which generates four scores in the areas of creativity, dynamism (energy plus dominance), organized demeanor (organization plus control), and warmth and acceptance. These dimensions refer to the teacher's means of interpersonal classroom management, that is, how the teacher deals with issues of control, ambiguity, and interaction. Kelly's (1955) theory of personal constructs explains the underlying purpose of the TTFF: both teacher and observer use personal constructs, conceived as bipolar adjective pairs, to interpret or construe the reality of the classroom. Given Kelly's argument that reality is a construction of the observer, the TTFF offers a procedure for eliciting and describing an observer's construction of a teacher's behavior. The instrument is short and efficient; as a measure of teacher style or behavior, it can be expected to be more objective than self-report measures and easier to use than coding procedures. Along with the instrument and Feedback Summary Sheet, information is presented on the validity of related research, reliability, availability, and use. (RC)