Understanding the risks associated with opioid prescription in adolescents is critical for informing opioid policy, but the risks are challenging to quantify given the lack of randomized trial data.

The purpose of this study was to compare the results of a regression discontinuity design (RDD) with those of an experimental design of a tiered vocabulary intervention for children at risk for ...

This is a preview. Log in through your library . Abstract The regression discontinuity (RD) design is a quasi-experimental design which emulates a randomized study by exploiting situations where ...