No universal guideline exists for judging the practical importance of a standardized effect size, a measure of the magnitude of an intervention’s effects. This working paper argues that effect sizes should be interpreted using empirical benchmarks — and presents three types in the context of education research.
This “snapshot,” published by the National High School Center, explains how Thomas A. Edison High School in Philadelphia implemented a Ninth-Grade Success Academy.
This policy brief, published by the National High School Center, focuses on five key challenges that states, districts, and schools should address to support a successful transition into high school.
This issue brief, published by the National High School Center, suggests that transitions into high school can be eased when both structural and specialized curricula reforms are in place.
The Role of Informal Care in the Lives of Low-Income Women and Children
Drawing on ethnographic interviews, this policy brief describes the patchwork child care arrangements made by low-income parents and discusses implications for policies that would promote the dual objectives of child well-being and parental employment.
This paper illustrates how to design an experimental sample for measuring the effects of educational programs when whole schools are randomized to a program and control group. It addresses such issues as what number of schools should be randomized, how many students per school are needed, and what is the best mix of program and control schools.