1. A philosophical analysis of teacher clarity;Armaline,1985
2. Study I. Effectiveness in explaining: Evidence on its generality and correlation with pupil ratings;Belgard,1971
3. Impediments to the study of teacher effectiveness;Berliner;Journal of Teacher Education,1976
4. Generalizability theory;Brennan,1983
5. An empirical exploration of teacher clarity;Bush;Dissertation Abstracts International,1976