“…This is probably because parents do not know how to cope with a child's endorsement of extreme ideas or the creeping process of radicalization; thus, it seems that there is a degree of parental uncertainty about how to handle the (potential) radicalization of a child (Pels & De Ruyter, 2011;Slootman & Tillie, 2006;van San et al, 2010van San et al, , 2013. (Sikkens, van San, Sieckelinck, & de Winter, 2018, p. 2277 In the pilot study, Sikkens et al identified four parental reactions to radicalization: reject, ignore, applaud, and discuss.…”