A study of the distances between physicians' (n=2,612) residency program locations and first practice locations indicates that most moved less than 75 miles. Primary care physicians moved significantly shorter distances than did other specialists. This pattern has changed little over the last few decades. (Author/MSE)

Three models for calculating college student retention rates and predicting enrollments are examined: (1) the Cohort Ratio Model; (2) the Longitudinal Persistence Model; and (3) the Markov Process Model. The last is seen as more encompassing, with wider applicability range, and useful in tracking student change in major and movement in and out of…

This document reports on the "Great Migration" project at Harvard University that brought together scholars and teachers to study the roots, processes, and results of African Americans' urban migration during the period from 1900-1939. The primary purpose of the project was to enhance teachers' scholarly understanding of this aspect of…