1. Bushell, D. & Baer, D.M. (1994). Measurably superior instruction means close, continual contact with the relevant outcome data: Revolutionary! In R. Gardner III, D. M. Sainato, J. O. Cooper, T. E. Heron, W. L. Heward, J. Eshleman, & T. A. Grossi (Des), Bebavior analysis in education: Focus on measurably superior instruction. (pp. 4-10). Pacific Grove, CA: Brooks/Cole.
2. Brophy, J.E. & Good, T.L. (1986). Teacher behavior and student achievement. In M. C. Wittrock (Ed.), Handbook of researcb on teaching (3rd. ed., pp. 328-375). New York: Macmillan.
3. Trustworthiness, useability, and accessibility of educational research