第一篇：Third-Year College Retention and Transfer: Effects of Academic Performance, Motivation, and Social Connectedness 期刊：Research in Higher Education, v49 n7 p647-664 Nov 2008 作者：Allen, Jeff

第二篇：Motivation Predictors of College Student Academic Performance and Retention
期刊：Journal of College Student Retention: Research, Theory & Practice, v13 n1 p1-15 2011-2012，作者：Friedman, Barry A.