When is the Story in the Subgroups?

  title={When is the Story in the Subgroups?},
  author={Howard S. Bloom and Charles Michalopoulos},
  journal={Prevention Science},
This paper examines strategies for interpreting and reporting estimates of intervention effects for subgroups of a study sample. The paper considers: why and how subgroup findings are important for applied research, alternative ways to define subgroups, different research questions that motivate subgroup analyses, the importance of pre-specifying subgroups before analyses are conducted, the importance of using existing theory and prior research to distinguish between subgroups for whom study… CONTINUE READING