Telefoon:	+31 (0)71 527 6684
E-Mail:	mzaal@fsw.leidenuniv.nl
Faculteit / Onderdeel:	Faculteit der Sociale Wetenschappen, Instituut Psychologie, Sociale en Organisatiepsychologie
Werkadres:	Pieter de la Court gebouw Wassenaarseweg 52 2333 AK Leiden Kamernummer ZA39
Persoonlijke Homepage:	www.fsw.leidenuniv.nl/​psychologie/​organisatie/​sociaalorganisatie/​maartenzaal.jsp

---

Maarten Zaal graduated in 2006 in the area of Social Psychology at Leiden University (cum laude). For his MA thesis, he studied the effects of social influence on the perception of subtle forms of discrimination. Maarten has been working as a PhD student at Leiden University since March 2007. His research focuses on the motivation to engage in collective action.

Research

His current research focuses on the effects of regulatory focus on the way members of stigmatized groups deal with their lower social status. In one line of research he examines how regulatory focus influences the decision to engage in collective action. Another line of research examines the effects of regulatory focus on the choice between peaceful and aggressive forms of collective action. In his third research line Maarten investigates the effect of regulatory focus on the way members of low status groups choosse between pursuing individual and collective status improvement.

Teaching

• Thesis Supervision (Master Program S&O)
• Supervision of Bachelorprojects
• Research skills

Publications

• Zaal, M.P., Van Laar, C., Ståhl, T., Ellemers, N., & Derks, B. (in press). Social change as an important goal or likely outcome: how regulatory focus affects commitment to collective action. British Journal of Social Psychology.
• Zaal, M.P., Van Laar, C., Ståhl, T., Ellemers, N., & Derks, B. (in press). By any means necessary: The effects of regulatory focus and moral conviction on normative and non-normative collective action. British Journal of Social Psychology.
• Zaal, M.P., Van Laar, C., Ståhl, T., Ellemers, N., & Derks, B. (2011). Self-promotion: The role of regulatory focus in responding to tokenism. Manuscript submitted for publication.

 Dutch Journal Articles

• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N. & Derks, B. (2010). Self-promotion: The role of regulatory focus in responding to tokenism. In: B. Derks, R.J. Renes, K. Ruys, N. van de Ven, & M. Vliek (Eds.), Yearbook Social Psychology 2010, pp. 441-550. Groningen, the Netherlands: ASPO Press.    
• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N. & Derks, B. (2008). When the Ends Justify the Means: The Effect of Regulatory Focus on Non-normative Reactions to Social Discrimination. In R. Custers, B. Beersma, J. Karremans, S. Harinck, and M. van Zomeren (Eds.), Yearbook Social Psychology 2008. Groningen, the Netherlands: ASPO Press.  
• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N. & Derks, B. (2007). The Effect of Regulatory Focus on the Willingness to Engage in Collective Action. In J. Karremans, B. Beersma, R. Custers, F. Van Harreveld, & W. Van Rijswijk, W. (Eds.), Yearbook Social Psychology 2007 (pp. 423 - 430). Groningen, the Netherlands: ASPO Press.  
• Zaal, M. P., Cihangir, S., Barreto, M. & Ellemers, N. (2006). The Effect of Ingroup and Outgroup Influence on the Self-perception of Victims of Subtle Discrimination. In C. Van Laar, R. Ruiter, J. Karremans, W. Van Rijswijk, & F. Van Harreveld (Eds.), Yearbook Social Psychology 2006  (pp. 569 - 576). Groningen, the Netherlands: ASPO Press.  

Conference Presentations

• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N ., & Derks, B. (2011, July). By any means necessary: How regulatory focus affects hostile and benevolent collective action. Paper presented at the preconference on the application of self-regulation approaches to social psychological phenomena of the 16th general meeting of the European Association of Social Psychology (EASP), Stockholm, Sweden.
• Van Zomeren, M., & Zaal, M. P. (2011, July). Toward an integrative understanding of both antecedents and consequences of collective action. Symposium organized for the 16th general meeting of the European Association of Social Psychology (EASP), Stockholm, Sweden.
• Zaal, M.P., Van Laar, C., Ståhl, T., Ellemers, N ., & Derks, B. (2011, July). Responding to tokenism: How regulatory focus affects commitment to individual and group status improvement. Paper presented at the 16th general meeting of the European Association of Social Psychology (EASP), Stockholm, Sweden.
• Zaal, M.P., Van Laar, C., Ståhl, T., Ellemers, N., & Derks, B. (2010, December). Self-promotion: The role of regulatory focus in reactions to tokenism. Presented at the conference of the Dutch Association of Social Psychological Researchers 2010, Enschede, the Netherlands.
• Zaal, M. P. (2010, June). New directions in collective action research. Symposium organized for the eighth biannual conference of the Society for the Psychological Study of Social Issues (SPSSI), New Orleans, USA.
• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N. & Derks, B. (2010, June). By any means necessary: How regulatory focus and moral conviction affect (non-)normative collective action. Paper presented at the eighth biannual conference of the Society for the Psychological Study of Social Issues (SPSSI), New Orleans, USA.
• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N. & Derks, B. (2009, July). When the ends justify the means: The effect of regulatory focus on support for non-normative collective action. Poster presented at the EASP medium size meeting on collective action and social change, Appingedam, the Netherlands.
• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N. & Derks, B. (2009, June). The effect of regulatory focus on collective action. Paper presented at the EASP small group meeting on self-regulation approaches to group processes, Tubingen, Germany.
• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N. & Derks, B. (2008, July). The effect of regulatory focus on the choice to engage in collective action. Paper presented at the seventh biannual conference of the Society for the Psychological Study of Social Issues (SPSSI), Chicago, USA.
• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N. & Derks, B. (2008, June). The effect of regulatory focus on the choice to engage in collective action. Paper presented at the fifteenth General meeting of the European Association of Experimental Social Psychology (EAESP), Opatija, Croatia
• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N. & Derks, B. (2008, December). The effect of regulatory focus on non-normative collective action. Presented at the Conference of the Dutch Association of Social Psychological Researchers 2008, Amsterdam, the Netherlands.
• Zaal, M. P., Van Laar, C., Ståhl, T., Ellemers, N. & Derks, B. (2007, December). The effect of regulatory focus on the decision to engage in collective action. Presented at the Conference of the Dutch Association of Social Psychological Researchers 2007, Wageningen, the Netherlands.  
• Zaal, M. P., Cihangir, S., Barreto, M., & Ellemers, N. (2006, December). The effect of ingroup and outgroup influence on the self-perceptions of victims of subtle discrimination. Presented at the Conference of the Dutch Association of Social Psychological Researchers 2006, Leiden, the Netherlands.

Membership in Professional Organizations

• ASPO
• SPSP
• EAESP
• SPSSI

Other memberships

Member of the dissertation prize committee of the Kurt Lewin Institute 2008,  2009

More Information about the Department of Social & Organizational Psychology

For more information about the Department of Social and Organizational Psychology, please visit the website S&O. 2010 - See ASPO Jaarboek 2010