Asthma is the leading chronic health condition among children in the United States and a major cause of childhood disability. It also disproportionately affects low-income and racial and ethnic minorities. Although a wide range of interventions have been implemented to improve asthma-related outcomes among socioeconomically disadvantaged and…

At Kingsborough Community College in Brooklyn, freshmen were placed in groups of up to 25 who took three classes together during their first semester: an English class, usually at the developmental level; an academic course, such as health or psychology; and a one-credit orientation course. The program also provided enhanced counseling and…

One of the greatest challenges that community colleges face in their efforts to increase graduation rates is improving the success of students in their developmental, or remedial, education programs--the courses that students without adequate academic preparation must take before they can enroll in courses for college credit. Emphasizing results…

This paper examines how controlling statistically for baseline covariates (especially pretests) improves the precision of studies that randomize schools to measure the impacts of educational interventions on student achievement. Part I of the paper introduces the concepts, issues, and options involved. Parts II and III present empirical findings…