Growth all along the road? Personality development and international contacts of (in)experienced sojourners

International student mobility (ISM) is an important educational means to promote the international (job market) potential of university students. Beyond that, it constitutes a context personality development in young adulthood. With present research, we tried integrate perspectives applied and research addressing following questions. First, scrutinized robustness ISM effects on as controlled for sociodemographic characteristics implemented waiting group design ( N = 3070). Second, explored anticipation well moderation by previous experiences. Finally, view public discourse benefits “Erasmus crowds”, assessed roles host relationships with regard sojourners. The results largely corroborated development. No occurred, current engagement were unaffected contact experiences associated above beyond country contacts. Implications understanding inferences organization improvement programs are discussed.