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Higher accepted friends are known to influence the alcohol misuse of lower accepted friends, but not the reverse. The present study was designed to address the origins of this influence: Are higher accepted friends particularly "influential" or are lower accepted friends particularly "susceptible" to influence? To address this question, we introduce an innovative application of longitudinal social network techniques (RSIENA) designed to distinguish being influential from being susceptible to influence. The results revealed that influence was a product of heightened susceptibility among low accepted adolescents, rather than heightened influence among high accepted adolescents. The findings are consistent with claims that low accepted youth fear the consequences of nonconformity and adjust their behavior to more closely resemble their affiliates.

The present study compares two methods for assessing peer influence: the longitudinal actor-partner interdependence model (L-APIM) and the longitudinal social network analysis (L-SNA) Model. The data were drawn from 1,995 (49% girls and 51% boys) third grade students (M[subscript age] = 9.68 years). From this sample, L-APIM (n = 206 indistinguishable dyads and n = 187 distinguishable dyads) and L-SNA (n = 1,024 total network members) subsamples were created. Students completed peer nominations and objective assessments of mathematical reasoning in the spring of the third and fourth grades. Patterns of statistical significance differed across analyses. Stable distinguishable and indistinguishable L-APIM dyadic analyses identified reciprocated friend influence such that friends with similar levels of mathematical reasoning influenced one another and friends with higher math reasoning influenced friends with lower math reasoning. L-SNA models with an influence parameter (i.e., average reciprocated alter) comparable to that assessed in L-APIM analyses failed to detect influence effects. Influence effects did emerge, however, with the addition of another, different social network influence parameter (i.e., average alter influence effect). The diverging results may be attributed to differences in the sensitivity of the analyses, their ability to account for structural confounds with selection and influence, the samples included in the analyses, and the relative strength of influence in reciprocated best as opposed to other friendships.

This study examines whether perceptions of parent support buffer against concurrent adolescent depression for youth with interpersonal difficulties. Participants included 398 youth (225 females, 173 males) from public (63.3%) and private (36.7%) schools in Brazil. Adolescents ranged in age from 11 to 14 years (M = 12.81). Perceptions of parent support moderated concurrent associations between youth reports of peer victimization and depressive symptoms such that youth with high levels of support reported less depression when victimized than youth with low levels of support. Perceptions of parent support also moderated concurrent nonlinear associations between youth reports of family conflict and depressive symptoms. Moderate levels of family conflict were associated with heightened depressive symptoms in youth who reported low levels of support from parents, whereas youth who perceived high levels of support from parents reported heightened depressive symptoms only in conjunction with elevated family conflict. [ABSTRACT FROM AUTHOR]