es and Chapters 1968 Fishman, E.F. (Loftus), Keller, L., & Atkinson, R.C. (1968). Massed vs. distributed practice in computerized spelling drills. Journal of Educational Psychology, 59, 290-296. • Reprinted in: R.C. Atkinson & H.A. Wilson (Eds.) (1969). Computer-Assisted Instruction: A Book of Readings. NY: Academic Press. 19