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…

Remedial or developmental courses are the most common policy instruments used to assist underprepared postsecondary students who are not ready for college-level coursework. However, despite its important role in higher education and its substantial costs, there is little rigorous evidence on the effectiveness of college remediation on the outcomes…