Presents results of a study using a switching regression model to correct for biases in assessing the gain in economic knowledge from high school economic courses. Explains that regressors used included geometry, civics, female, African-American, college, twelfth, and dummy variables. Reports substantial differences between students who elect…

A three phase study evaluated the comparative effectiveness of various features that comprise a postsecondary writing program. The first phase of the study examined the college composition programs on the 19 California State University (CSU) campuses to identify and describe distinctive program features. The second and third phases measured both…