Computer-Assisted Instruction, Media Richness, and College Student Performance A previous version of this paper was presented at the 2004 (November) Conference of the National Communication Association, Chicago, IL. Portions of the data presented in this study are also included in Timmerman, C. E., & Kruepke, K. A. (in press). Computer-assisted instruction and college student performance. In B. Gayle, R. Preiss, N. Burrell, & M. Allen (Eds.). Classroom communication and instructional processes: Advances through meta-analysis.