Class Distinctions: Leveraging Class-Level Features to Predict Student Retention Performance. - Xiaolu Xiong; Joseph E. Beck; Shoujing Li (AIED, 2013)

Modeling student retention in an environment with delayed testing. - Shoujing Li; Xiaolu Xiong; Joseph Beck 001 (EDM, 2013)

Will You Get It Right Next Week: Predict Delayed Performance in Enhanced ITS Mastery Cycle. - Xiaolu Xiong; Shoujing Li; Joseph E. Beck (FLAIRS, 2013)