1. Anderson, R.C. Control of student mediating processes during verbal learning and instruction.Review of Educational Re search, 1970,40, 349–369.
2. Anderson, R.C, Surber, J.R., Biddle, W.B., Zych, P.M., & Lieberman, C.E. Retention of text information as a function of the nature, timing, and number of quizzes. Paper presented at the meeting of the American Educational Research Association, Chicago, April 1974.
3. Begg, I. Recall of meaningful phrases.Journal of Verbal Learning and Verbal Behavior, 1972,11, 431–439.
4. Begg, I., & Robertson, R. Imagery and long-term retention.Journal of Verbal Learning and Verbal Behavior, 1973,12, 689–700.
5. Biological Science Curriculum Study.Biological science, an ecologi cal approach (green version). Chicago: Rand McNally, 1973. (a)