In this study “Beyond Time-on-Task: The Relationship between Spaced Study and Certification in MOOCs” researchers used data collected from MOOCs to identify observational evidence for the benefits of spaced practice in educational settings.
This study suggested the following findings:
>Number of sessions students initiate is an important predictor of certification rate.
>When students spend similar amounts of time in multiple courses, they perform better in courses where that time is distributed among sessions.