Ecologization and Quantitative Methods of Social Research
Quantitative Methods
of Social Research
Photo: UHH/Denstorf
1 June 2026

Photo: UHH/Esfandiari
In response to the article by Kruglanski et al. (A Formula of Love: Partner Merit and Appreciation Beget Actor Significance), Pay Jessen published together with Roy Baumeister the commentary “Expressions of Appreciation Facilitate Love and Cooperation”, in the journal "Behavioral and Brain Sciences". The commentary can be found online here.