“…Some of these find socialization effects (Kiuru, Burk, Laursen, Nurmi, & Salmela-Aro, 2012;van Workum, Scholte, Cillessen, Lodder, & Giletta, 2013;van Zalk, Kerr, Branje, Stattin, & Meeus, 2010a), whereas others report no such effect (Giletta et al, 2012;Pachucki, Ozer, Barrat, & Cattuto, 2014). These mixed findings suggest that potentially confounding mechanisms (e.g., social integration) or moderating effects (e.g., gender;van Zalk et al, 2010b) should be taken into consideration.…”