Data on teaching approaches, general theoretical concepts, and perceptions about the voice problems of students were gathered from 66 voice and speech instructors in 52 professional training programs in acting and are summarized in this report. Instructors' responses are reported for a number of topics, including the following: (1) influences on their work; (2) major teaching emphases; (3) perceptions about areas of the body in which impulse sources are felt when strongly emphasized language is spoken; (4) beliefs concerning the pitch and placement of the human voice; (5) concepts taught to students with respect to focus of the voice; and (6) common vocal problems of students. An appended table compares the instructors' responses about common voice and speech problems of students with the opinions of 171 instructors in nonprofessional programs on the same topic. (GT)