A study based on national data found that the average duration of doctoral study was related to departmental emphases on scholarly careers and the resources to implement those emphases. Patterns varied by general discipline area and by specific discipline, suggesting a need for detailed analysis by discipline. (Author/MSE)

A study of 723 doctoral students investigated the relationship between time taken to complete the degree and economic factors, including employment hours, study hours, household income, indebtedness, amount and type of aid, and part-time student status. Field of study and foreign/domestic student status were also considered. (Author/MSE)

A study of 154 recent graduates of York University (Ontario) doctoral programs in natural sciences, social sciences, and humanities investigated the relationship of gender, discipline, characteristics of the supervisory relationship, student financial situation, participation in teaching and research assistantships, and enrollment status to the…