1. Teacher immediacy as a predictor of teaching effectiveness;Andersen;Communication Yearbook,1979
2. A taxonomy for learning, teaching and assessing: A revision of Bloom's taxonomy of educational objectives;Anderson,2001
3. Self-perception theory;Bem,1972
4. How does distance education compare to classroom instruction? A meta-analysis of the empirical literature;Bernard;Review of Educational Research,2004
5. Taxonomy of educational objectives. Handbook 1: Cognitive domain;Bloom,1956