2Brophy and T. Good, "Teacher Behavior and Student Achievement", in M. C. Wirock(ed), Handbook of Research on Teaching, 3rded. New York, Macmillan, 1986, p31.
3Spolton, L. Lawrence, D. H, Student and Teacher. Brit. J. Educ. Studies. XIV(3), 1965 - 1966, p31.
