Most students seeking to enroll in community college are required to take a placement test for math and English courses. Administrators are well aware of the shortcomings of using traditional placement tests alone, and state and college systems across the country are organizing multiple measures assessment (MMA) placement systems that will…

In education research and in many other fields, researchers are often interested in testing the effectiveness of an intervention on multiple outcomes, for multiple subgroups, at multiple points in time, or across multiple treatment groups. The resulting multiplicity of statistical hypothesis tests can lead to spurious findings of effects. Multiple…

This paper provides practical guidance for researchers who are designing and analyzing studies that randomize schools--which comprise three levels of clustering (students in classrooms in schools)--to measure intervention effects on student academic outcomes when information on the middle level (classrooms) is missing. This situation arises…