In the push to boost young people's social and emotional learning (SEL), assessment has lagged behind policy and practice. We have few usable, feasible, and scalable tools to assess children's SEL. And without good assessments, teachers, administrators, parents, and policymakers can't get the data they need to make informed decisions about SEL.…

Cole, Martin, and Dennis (this issue) considered many important conceptual and methodological issues in their discussion of emotion regulation. Although it may be necessary to develop an integrated definition of the construct of emotion regulation, the definition provided in the Cole et al. article is too encompassing. It is important to…