Based on the Abstract from a 1994 Issue of Journal

Multiple Choice

based on the abstract from a 1994 issue of Journal of Counseling and Development. The authors of the paper examined factors that predicted continued enrollment and academic standing in college students. Instructors are advised to use the reference below to retrieve the original abstract for their use.
Gerdes, H., & Mallinckrodt, B. (1994) . Emotional, social, and academic adjustment of college students: A longitudinal study of retention. Journal of Counseling and Development: JCD, 72(3) , 281.
-Based on the design of the study, which issue would be of largest concern to the researchers compared to using other possible designs?

A) Hawthorne effect
B) Subject attrition
C) Motivated responding
D) Cohort effects