Intraindividual variability (IIV) in cognitive speed, or moment-to-moment changes in ability, is a developmental phenomenon indicative of neurological integrity that increases gradually across adulthood. Past research has shown that IIV negatively covaries with cognitive performance, in which higher IIV at one occasion is associated with poorer…

This article explores Robert Kegan's adult constructive-developmental (ACD) theory. We compare these ideas to the way educators at each of Kegan's meaning-making levels might plan, implement, and assess digitally enhanced teaching activities. Using Drago-Severson's interpretation of Kegan's concepts, the authors propose that behaviors of…