May 2018 - Mariko Visserman obtained her PhD, cum laude

On May 24th Mariko Visserman has successfully defended her PhD dissertation entitled "The art of sacrifice. Self-Other dilemmas, Biased Perceptions, and the Emergence of Gratitude" . She received the distinction cum laude. She is now continuing her work as a Post-doc at the University of Toronto with Dr. Emily Impett and Dr. Amy Muise. Congratulations Mariko!


April 2018 - Mariko Visserman won another award!

Mariko Visserman has won the KLI Best Paper Award for her paper titled “It’s the Motive That Counts: Perceived Sacrifice Motives and Gratitude in Romantic Relationships”. Congratulations again Mariko!


November 2017 - Mariko Visserman won an award!

Mariko Visserman has won the RRIG (Relationship Researchers Interest Group) Graduate Student Paper Award for her paper titled “It’s the Motive That Counts: Perceived Sacrifice Motives and Gratitude in Romantic Relationships”. Congratulations Mariko!


November 2017 - We are looking for a Post-Doc!

The Social Cognition Center Cologne at the University of Cologne invites applications for a  Postdoctoral Researcher Position for 12 months. The ideal starting date is April 2018 (starting date is flexible).

The postdoctoral position is funded by the ORA grant for a project on “Implicit partner evaluations: How they form and what they do to relationships”, a bilateral project of the University of Cologne (Prof. Wilhelm Hofmann) and the Vrije Universiteit Amsterdam (Prof. Francesca Righetti).

Applicants should have a strong interest in relationship research and excellent knowledge of methodology and statistics, particularly multilevel modelling.

A description of the position and the job specification can be found using the link below.


November 2017 - call for data on sacrifice for a meta-analysis

We are conducting a meta-analytic review on the association between sacrifice and personal and relationship well-being in close relationships. Specifically, we're interested in how willingness to sacrifice or actual sacrifice (e.g., which is defined as either giving up something pleasant or of value for the partner/relationship - including giving up personal goals, hobbies etc.- or doing something unpleasant for the partner/relationship) is related to any index of personal well-being (i.e., any measure on Positive and Negative emotions - including Stress, Subjective well-being, Happiness, Life Satisfaction, Depression and Anxiety) and relationship well-being (e.g., any measure of relationship satisfaction or relationship quality – such as the Couples Satisfaction Index, the Quality of Marriage Index, the Relationships Assessment Scale, the relationship satisfaction item of the Dyadic Adjustment Scale; and the relationship satisfaction subscale of the PRQC). Importantly, other constructs such as commitment, closeness, and intimacy are NOT considered. If You Have Collected Data that Can Be Used to Calculate Unpublished Correlations between Sacrifice and Personal or Relationship Well-being, please contact us ( and we will correspond with you to determine the eligibility of your data, and to devise a method that works for you to share these raw data—or the correlations—with us, in such a way that your personal inconvenience can be minimized.