Replication research is a valuable, yet often misunderstood, tool for increasing our understanding of promising research findings. In their short paper below the authors discuss their principles for conducting replication research, explain how they picked a candidate study for replication,...

Many development programs are based on short-term interventions, either because of external funding constraints or because it is assumed that impacts persist post program termination ("sustainability"). Using a novel randomized phase-out research method, we provide experimental tests of the...