Publications by authors named "Hedy Greijdanus"

This study focuses on the role of humour in health and well-being of women-who-have-sex-with-women (WSW) during COVID-19. This group has been shown to be vulnerable to alcohol abuse, especially as self-medication coping with social consequences of the COVID-19 pandemic. We investigated the potential usefulness of WSW-inclusive (i.

View Article and Find Full Text PDF

We review online activism and its relations with offline collective action. Social media facilitate online activism, particularly by documenting and collating individual experiences, community building, norm formation, and development of shared realities. In theory, online activism could hinder offline protests, but empirical evidence for slacktivism is mixed.

View Article and Find Full Text PDF

In this research, we investigate how a negative (or hostile) norm regarding minorities at the societal level can fuel polarization between majority subgroups at the local level. We hypothesize that rapid social change in the form of polarization results from the interplay between small group processes and perceptions of society at large. By employing a novel analytic approach that uses variances to capture non-linear societal change, we were able to study polarization processes.

View Article and Find Full Text PDF

Two experiments investigated the role of intragroup communication in intergroup conflict (de-)escalation. Experiment 1 examined the effects of intragroup communication (vs. individual thought) and anticipated face-to-face intergroup contact (vs.

View Article and Find Full Text PDF