"U-Pace" instruction, comprised of concept mastery and amplified assistance, has shown promise in increasing undergraduate success. To evaluate the efficacy of "U-Pace" instruction for students at risk for college noncompletion and students not at risk and to determine whether concept mastery, amplified assistance, or both…

Less than optimal student success in gateway courses figures prominently in college noncompletion. Past findings suggest that "U-Pace" instruction holds promise for increasing student success. However, all published studies of "U-Pace" instruction were conducted in the gateway course context of introductory psychology. The…