sense used by Clark & Mayer, 2003
sense used by Cordova & Lepper, 1996
Tailoring instructional content to match the learner's personal interests or preferences.
References: Cordova, D. I. & Lepper, M. R. (1996). Intrinsic Motivation and the Process of Learning: Beneficial Effects of Contextualization, Personalization, and Choice. Journal of Educational Psychology. Vol. 88,l No. 4, 715-730.