National Survey of Student Engagement (2016). Engagement Insights: Survey Findings on the Quality of Undergraduate Education—Annual Results 2016.Bloomington, IN: Indiana University Center for Postsecondary Research.

Rocconi, L. M., & Gonyea, R. M. (2018). Contextualizing Effect Sizes in the National Survey of Student Engagement: An Empirical Analysis. Research & Practice in Assessment, 13, 22–38

U.S. Department of Education. (2018). Digest of Education Statistics: 2017(NCES 2018-070). Retrieved from https://nces.ed.gov/programs/digest/d17/tables/dt17_326.10.asp.