The present study assesses the factor structure, psychometric adequacy, and invariance across sex and age of the Relational Provisions Loneliness Questionnaire (RPLQ). Discriminant validity with an external criterion was also tested. In a sample of Portuguese adolescents, from 7th to 9th grade (N = 817), Confirmatory Factor Analyses (CFA) were…

We examined profiles of sibling relationship qualities in 246 Mexican-origin families living in the United States using latent profile analyses. Three profiles were identified: "Positive," "Negative," and "Affect-Intense." Links between profiles and youths' familism values and adjustment were assessed using…

The development of intimate same- and other-sex friendships in Arab children and adolescents in Israel was investigated in relation to their perceived parenting styles. It was hypothesized that girls would show higher levels of intimacy than boys, and that cross-sex intimacy in both groups would increase with age, whereas same-sex intimate…

Recent theory on social dominance suggests that aggressive individuals should be socially successful if they also display prosocial behavior. The combination of coercive and prosocial strategies of resource control (i.e., bistrategic control) is thought to facilitate hierarchy ascension. Adolescents (N = 929, grades 7-10) were queried about the…