Affiliation: | 1. Department of Social and Developmental Psychology, Sapienza University of Rome, Rome, Italy;2. Department of Psychology, The Hebrew University of Jerusalem, Jerusalem, Israel;3. Institute of Sociology and Social Psychology, University of Cologne, Köln, Germany Department of Sociology, and URPP Social Networks, University of Zurich, Zürich, Switzerland;4. Department of Sociology, and URPP Social Networks, University of Zurich, Zürich, Switzerland Institute of Psychology, Cardinal Stefan Wyszynski University, Warsaw, Poland;5. Department of Psychology, Sapienza University of Rome, Rome, Italy |