Presents three categories of approaches to assess the impact of college supplemental instruction (SI) programs on an institution: anecdotal information; descriptive statistics; and inferential statistics. For SI programs required to justify their existence, these methods include a range of assessment devices from simple testimony to rigorous…

Presents a seven-step model for analyzing the impact of retention programs on students, using data from a Supplemental Instruction (SI) program to demonstrate how research is done. States that this model can generate data for reports on the impact of intervention and may be applied to any intervention program oriented toward retention and…