The current study contrasted two different hypotheses about the relationship between sibling personality and sibling relationship quality: absolute value and dyadic similarity. The absolute value hypothesis suggests that the level of one sibling's personality will predict sibling relationship quality. The dyadic similarity hypothesis argues that…

Research Findings: Studies of children's prosocial behavior typically focus on prosocial acts with a specific partner (e.g., a friend, peer, or sibling), and comparisons of prosociality in different contexts are rare. To address this gap, the current study examined predictive links among children's spontaneous sharing (a common and important form…

Siblings represent an important social influence on alcohol use in adolescence. That said, there is a need for studies that examine potential mechanisms by which siblings exert an influence on the likelihood of drinking in adolescence. This paper illustrates a method that utilizes videotaped interaction between sibling dyads along with a micro…