Data for classroom outcomes from a Swedish randomized controlled trial of Good Behavior Game

Data comes from a cluster-randomized controlled trial where a locally adapted version of the school-based intervention Good Behavior Game was evaluated at elementary schools in Malmö, Sweden, during 2021-2022. All data is on a school or classroom-level. More details regarding the study are available in the associated study protocol. More detailed raw data and any related key codes are stored in a secure system used by Lund University (LUSEC) and is disposed of in the year 2032 at the earliest.