A University of North Carolina (Charlotte) program provides tutorial services to students in certain high-risk courses. Participants from 1988-89 earned higher final grades and had fewer lower grades and withdrawals than nonparticipants, despite lower predicted academic potential and industriousness at the time of college entry. (Author/MSE)

Argues that methods of assessing effectiveness of university supplemental instruction (SI) programs (in which successful students provide additional instruction to students in high-risk courses) have been inadequate. Suggests ways of isolating SI effects on student achievement, and recommends broadening research methods to include qualitative…