Physics education research to date has predominantly focused on the undergraduate level. This has left critical avenues of research in graduate education relatively understudied and has motivated much of my research. Numerous studies across the education research landscape have analyzed undergraduate admissions practices, but few have critically…

A significant amount of research has been documented on both attrition and retention of doctoral students. The attrition of doctoral students is a loss to society and academia when the prospective scholar does not complete the rigors of the dissertation journey. The time and money invested by the graduate students and the university is of no true…

Using a data base compiled by the Graduate School of Northwestern University, a longitudinal study of the graduate school careers of 2,211 students in 14 programs was conducted. Among the most prominent findings was the increase in the enrollment of foreign students. The patterns of attainment of graduate school milestones, such as Ph. D.…

The Graduate Record Examinations (GRE) Aptitude and Advanced Tests were evaluated as predictors of a dichotomous criterion of whether or not the candidate attained the doctorate within a specified length of time. More specifically, the project attempted to define subgroups for which the GRE tests have varying degrees of validity, and to provide…