The Sensitivity of Impact Estimates to Data Sources Used: Analysis From an Access to Postsecondary Education Experiment.

Background: This article reports on the Future to Discover Project-a Canadian randomized controlled trial of two high school interventions-where data on key postsecondary enrollment outcomes were collected for two phases. During the initial phase, outcomes were recorded from administrative data and follow-up surveys. During the later phase, data came from administrative records only.