- Tarver, S. G. (2004, February 25). Direct Instruction: Criticism of a Wisconsin study [Letter to the editor] [electronic version]. Education Week, 23(24), 38.
- Ryder, R. J., Burton, J. L., & Silberg, A. (2006). Longitudinal study of Direct Instruction effects from first through third grades. The Journal of Educational Research, 99, 179-191.
- Fisher, R. A. (1948). Statistical methods for research workers (10th ed.). New York: Hafner.
- Pressley, M., Wharton-McDonald, R., Allington, R., Block, C., Morrow, L., & Travey, D. et al. (2001). A study of effective first-grade literacy instruction. Scientific Studies of Reading, 5, 3-38.
- Rosenshine, B., & Stevens, R. (1986). Teaching functions. In M. C. Wittrock (Ed.), Handbook of research on teaching (3rd ed.). New York: Macmillan.
The Journal of Educational Research
Volume 100, 2006 - Issue 1