The performance diagnostic checklist (PDC) was administered to examine the variables influencing the offering of promotional stamps by employees at two sites of a restaurant franchise. PDC results suggested that a lack of appropriate antecedents, equipment and processes, and consequences were responsible for the deficits. Based on these results, an intervention consisting of task clarification, selfmonitoring, equipment modification, goal setting, and graphic feedback was implemented and evaluated with a multiple baseline design across settings. The results for restaurant 1 yielded baseline and intervention means of 25% and 72%, respectively. The results for restaurant 2 yielded baseline and intervention means of 11% and 80%, respectively. Overall, these results suggest that the PDC is a useful tool for guiding intervention selection for performance deficits which occur across more than one site.