The involvement of former extremists in preventing and countering violent extremism has attracted many advocates. Interventions in school settings by or with former extremists have been commonplace for a long time, and in some countries even for decades, which is reason enough to focus on the current research state. We did this through a synoptic…

Randomized response techniques (RRTs) are applied to reduce response biases in self-report surveys on sensitive research questions (e.g., on socially undesirable characteristics). However, there is evidence that they cannot completely eliminate self-protecting response strategies. To address this problem, there are RRTs specifically designed to…