dr. H.J.E. (Hedy) Greijdanus

Lecturer / researcher

Faculty of Behavioural and Social Sciences

Telephone:

+31 50 36 38299

E-mail:

h.j.e.greijdanus rug.nl

Homepage ORCID

Research

Research units:

Social Psychology

Postal address:

United Kingdom

Publications

The psychology of online activism and social movements: Relations between online and offline collective action
Greijdanus, H., de Matos Fernandes, C. A., Turner-Zwinkels, F., Honari, A., Roos, C. A., Rosenbusch, H. & Postmes, T., 12-Mar-2020, (Accepted/In press) In : Current Opinion in Psychology. 35, p. 49-54 6 p.
Research output: Contribution to journal › Article › Academic › peer-review
Country-level and Individual-level Predictors of Men's Support for Gender Equality in 42 Countries
Kosakowska-Berezecka, N., Besta, T., Bosson, J. K., Jurek, P., Vandello, J. A., Best, D. L., Wlodarczyk, A., Safdar, S., Zawisza, M., Zadkowska, M., Sobiecki, J., Agyemang, C. B., Akbas, G., Ammirati, S., Anderson, J., Anjum, G., Aruta, J. J. B. R., Ashraf, M., Bakaityte, A., Bi, C., Becker, M., Bender, M., Berxulli, D., Bosak, J., Daalmans, S., Dandy, J., de Lemus, S., Dvorianchikov, N., Etchezahar, E., Froehlich, L., Gavreliuc, A., Gavreliuc, D., Gomez, A., Greijdanus, H., Grigoryan, A., Hale, M-L., Hamer, H., Hoorens, V., Hutchings, P. B., Jensen, D. H., Kelmendi, K., Khachatryan, N., Kinahan, M., Kozlowski, D., Lauri, M. A., Li, J., Maitner, A. T., Makashvili, A., Mancini, T., Martiny, S. E., Dordevic, J. M., Moreno-Bella, E., Moscatelli, S., Moynihan, A. B., Muller, D., Ochoa, D., Adebayo, S. O., Pacilli, M. G., Palacio, J., Patnaik, S., Pavlopoulos, V., Piterova, I., Puzio, A., Pyrkosz-Pacyna, J., Renteria-Perez, E., Rousseaux, T., Sainz, M., Salvati, M., Samekin, A., Garcia-Sanchez, E., Schindler, S., Sherbaji, S., Sobhie, R., Sulejmanovic, D., Sullivan, K. E., Torre, B., Torres, C., Ungaretti, J., Valshtein, T., Van Laar, C., van der Noll, J., Vasiutynskyi, V., Vohra, N., Zapata-Calvente, A. L. & Zukauskiene, R., 27-Aug-2020, In : European Journal of Social Psychology. 16 p.
Research output: Contribution to journal › Article › Academic › peer-review
The polarizing effects of group discussion in a negative normative context: Integrating societal‐, group‐, and individual‐level factors
Koudenburg, N., Greijdanus, H. & Scheepers, D., Jan-2019, In : British Journal of Social Psychology. 58, 1, p. 150-174 25 p.
Research output: Contribution to journal › Article › Academic › peer-review
Sociale media en collectieve actie rondom de gasboringen in Groningen
Greijdanus, H. & Postmes, T., 23-Nov-2018, Groningen: Rijksuniversiteit Groningen. 206 p.
Research output: Book/Report › Report › Professional
Stereotypen
Gordijn, E., Wigboldus, D. & Greijdanus, H., Jul-2017, Sociale psychologie. Vonk, R. (ed.). 4 ed. Amsterdam: Boom
Research output: Chapter in Book/Report/Conference proceeding › Chapter › Academic
Steeling Ourselves: Intragroup Communication while Anticipating Intergroup Contact Evokes Defensive Intergroup Perceptions
Greijdanus, H., Postmes, T., Gordijn, E. H. & van Zomeren, M., 22-Jun-2015, In : PLoS ONE. 10, 6, 23 p., e0131049.
Research output: Contribution to journal › Article › Academic › peer-review
Intragroup communication in intergroup conflict: Influences on social perception and cognition
Greijdanus, H. J. E., 2015, [Groningen]: University of Groningen. 200 p.
Research output: Thesis › Thesis fully internal (DIV)
When abstraction does not increase stereotyping: Preparing for intragroup communication enables abstract construal of stereotype-inconsistent information
Greijdanus, H., Postmes, T., Gordijn, E. H. & van Zomeren, M., Dec-2014, In : Social Cognition. 32, 6, p. 505-527 23 p.
Research output: Contribution to journal › Article › Academic › peer-review
Escalation and de-escalation of intergroup conflict: The role of communication within and between groups
Postmes, T., Gordijn, E., van Zomeren, M., Greijdanus, H., de Vos, B., Täuber, S. & Kamans, E., 2014, Social conflicts within and between groups. De Dreu, C. K. W. (ed.). Psychology Press, p. 93-116 23 p. (Current issues in social psychology).
Research output: Chapter in Book/Report/Conference proceeding › Chapter › Academic

View all (25) »

Press / Media

A social media 'blackout' enthralled Instagram. But did it do anything?
Hedy Greijdanus
13/06/2020
1 item of Media coverage
Press/Media: Research › Popular
In het hoofd van de dreigbriefschrijver over windmolens
Hedy Greijdanus
06/04/2019
1 Media contribution
Press/Media: Expert Comment › Popular
Sociale media hebben praktijk collectieve actie sterk veranderd
Hedy Greijdanus & Tom Postmes
01/03/2019 → 13/03/2019
4 items of Media coverage
Press/Media: Research › Professional
Interview blogger "Welke kast?"
Hedy Greijdanus
06/10/2015
1 item of Media coverage
Press/Media: Expert Comment › Popular
Verander negatieve stereotypen: Let beter op je taal
Hedy Greijdanus
28/07/2015
1 item of Media coverage
Press/Media: Expert Comment › Popular
Interview OOG TV Radio Glasnost Noorderzon
Hedy Greijdanus
28/08/2015
1 Media contribution
Press/Media: Research › Popular
Radio EenVandaag
Hedy Greijdanus
29/06/2015
1 Media contribution
Press/Media: Research › Popular
MindWise blog: Countering negative stereotypes with positive stereotypes
Hedy Greijdanus
24/06/2015
1 item of Media coverage
Press/Media: Expert Comment › Popular
Press release: Positive stereotyping best remedy for negative stereotyping
Hedy Greijdanus
19/06/2015 → 19/06/2015
3 items of Media coverage
Press/Media: Other › Popular

View all (9) »

Activities

Online gedrag en internetconsultatie
Hedy Greijdanus (Consultant)
Feb-2020
Activity: Consultancy › Professional
Newsnight: jaaroverzicht - Janine Abbring blikt samen met tafelheer Arjen Lubach terug op 2019
Hedy Greijdanus (Invited speaker)
20-Dec-2019
Activity: Talk or presentation › Popular
Sociale media en collectieve actie rondom de gasboringen in Groningen
Hedy Greijdanus (Invited speaker), Tom Postmes (Invited speaker)
28-Nov-2019
Activity: Talk or presentation › Professional
Social media and collective action: The case of gas extraction in Groningen
Hedy Greijdanus (Keynote speaker)
30-Apr-2019
Activity: Talk or presentation › Academic
The social animal
Hedy Greijdanus (Organiser), Carla Anne Roos (Organiser), Tom Postmes (Keynote/plenary speaker), Justin Richardson (Invited speaker), Ellen van der Werff (Invited speaker), Anne Marthe van der Bles (Invited speaker), Yasin Koc (Invited speaker)
14-Mar-2019
Activity: Participating in or organising an event › Organising an event › Popular
Sociale media en protest in Grunn: Eindpresentatie voor betrokkenen
Hedy Greijdanus (Speaker), Tom Postmes (Speaker)
28-Feb-2019
Activity: Talk or presentation › Popular
Onbegrensde liefde
Hedy Greijdanus (Invited speaker)
14-Feb-2019
Activity: Talk or presentation › Popular
Eindpresentatie Sociale media en collectieve actie rondom de gasboringen in Groningen
Hedy Greijdanus (Speaker), Tom Postmes (Speaker)
23-Nov-2018
Activity: Talk or presentation › Professional
Intergroup conflict: The cognitive, emotional, and behavioral consequences of communication and Intergroup Behaviour
Hedy Greijdanus (Organiser)
27-Jun-2013 → 30-Jun-2013
Activity: Participating in or organising an event › Participation in conference › Academic

View all (18) »

ID: 372047

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