Rigorous Large-Scale Educational RCTs Are Often Uninformative: Should We Be Concerned?
Rigorous Large-Scale Educational RCTs Are Often Uninformative: Should We Be Concerned?
There are a growing number of large-scale educational randomized controlled trials (RCTs). Considering their expense, it is important to reflect on the effectiveness of this approach. We assessed the magnitude and precision of effects found in those large-scale RCTs commissioned by the UK-based Education Endowment Foundation and the U.S.-based National …