“…We rely on all given nominations for the analyses. Although a focus on reciprocal friendships may provide a stricter criterion for friendship, adolescents’ outgoing nominations are meaningful to the nominator (Furman, ), and perceived friends may be just as, if not more, influential as reciprocal ones (Echols & Graham, ; Vitaro, Boivin, & Bukowski, ). Across the four waves of data collection, approximately 70% of the total friends nominated were also participants in the study, which should yield good reliability (Marks, Babcock, Cillessen, & Crick, ).…”