“…The theoretical content of CM included the following topics: definitions of CM, research on CM, parenting styles, cultural aspects of educational ideas, REE and REBT, ecological psychology, Positive Behavior Support Systems, and social perception were discussed for approximately equal amounts of time (for a more detailed descriptions of these contents see Steins, Wittrock, & Haep, 2015). Bullying as a special topic was only relatively briefly mentioned.…”