1. Department of Experimental Psychology, University of Goettingen, Goettingen, Germany
2. Leibniz ScienceCampus Primate Cognition, Goettingen, Germany
3. christian.valuch@psych.uni-goettingen.dehttp://experiment.one
4. uwe.mattler@psych.uni-goettingen.dehttps://www.psych.uni-goettingen.de/en/experimental/people/mattler-uwe?set_language=en