The regression discontinuity design (RDD) has the potential to yield findings with causal validity approaching that of the randomized controlled trial (RCT). However, Schochet (2008a) estimated that, on average, an RDD study of an education intervention would need to include three to four times as many schools or students as an RCT to produce…

Background: Much research has sought to investigate emotions and forms of emotion management among teachers worldwide, including the connection between educational change and teacher emotion; the association between the culture of teaching and teachers' emotional experience within parent-teacher interactions; the link between teacher emotion and…