Evaluations of public programs in many fields reveal that different types of programs—or different versions of the same program—vary in their effectiveness. Moreover, a program that is effective for one group of people might not be effective for other groups, and a program that is effective...

As test-based educational accountability has moved to the forefront of national and state education policy, so has the desire for better measures of school performance. No Child Left Behind's (NCLB) status and safe harbor measures have been criticized for being unfair and unreliable,...

The City University of New York’s comprehensive ASAP program nearly doubles the three-year graduation rate for developmental education students in community college – at a lower cost-per-degree than regular services. ASAP also increases rates of transfer to four-year colleges

In some experimental evaluations of classroom-level interventions it is not practically feasible to randomly assign teachers to experimental conditions. Given such restrictions, researchers may randomly assign students to experimental conditions and consider the teacher to be a part of the...

As test-based educational accountability has moved to the forefront of national and state education policy, so has the desire for better measures of school performance. No Child Left Behind's (NCLB) status and safe harbor measures have been criticized for being unfair and unreliable,...

Evaluations of public programs in many fields reveal that (1) different types of programs (or different versions of the same program) vary in their effectiveness, (2) a program that is effective for one group of people might not be effective for other groups of people, and (3) a program that is...