Qualitative researchers often turn to focus groups as an efficient and effective way to gather data in a collective context. A common critique is that they play into power dynamics present at the site, privileging dominant, high status, and more vocal participants. Traditional focus group structures also rely on participants to trust the…

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…