Critical evaluation of teaching and the devices through which teachers try to increase their self-critical abilities and to improve their work are addressed. Focus is on videotaping technologies that enable teachers to act, step back and observe, and then analyze their work. (JMD)

Reports on a study of 614 experienced music teachers, non-music teachers, college-level music students, and non-music students on the effect of sequential patterns and different modes of presentation of music teaching. Finds that experienced teachers' evaluations were significantly higher than those of university students. (CFR)