When assessing causal effects, determining the target population to which the results are
intended to generalize is a critical decision. Randomized and observational studies each …

School-based evaluations of interventions are increasingly common in education research.
Ideally, the results of these evaluations are used to make evidence-based policy decisions …

In this issue, Weiss discusses “generalizing” inferences from randomized trials to other
populations [1]. However, he does not explicitly define what “generalizing” means, assumes …

Written by leading experts in early childhood, economics, psychology, public health,
philanthropy, and more, chapters and commentaries shine light on how to effectively use …

Epidemiologists are attempting to address research questions of increasing complexity by
develo** novel methods for combining information from diverse sources. Cole et al.(Am J …

This article summarizes key points made in a session at the American Society of
Criminology meeting in Philadelphia in November 2017, entitled “The replication issue in …

Given decision-makers often prioritize causal research that identifies the impact of
treatments on the people they serve, a key question in education research is,“Does it work?” …

Generalizing estimates of causal effects from an experiment to a target population is of
interest to scientists. However, researchers are usually constrained by available covariate …

Cluster randomized trials (CRTs) are commonly used to evaluate the causal effects of
educational interventions, where the entire clusters (eg, schools) are randomly assigned to …

Estimating treatment effects for subgroups defined by posttreatment behavior (ie, estimating
causal effects in a principal stratification framework) can be technically challenging and …