Regression discontinuity (RD) designs are increasingly used for causal evaluations. However, the literature contains little guidance for conducting a moderation analysis within an RDD context. The current article focuses on moderation with a single binary variable. A simulation study compares: (1) different bandwidth selectors and (2) local…

To gain a deeper understanding of the complexity of foreign language anxiety (FLA), researchers have leveraged various quantitative and qualitative methods. Considering quantitative methods, researchers have mostly used variable-centered approaches to examine the relationships between FLA and other variables. However, less attention has been given…