An instrument or instrumental variable manipulates a treatment and affects the outcome only indirectly through its manipulation of the treatment. For instance, encouragement to exercise might increase cardiovascular fitness, but only indirectly to the extent that it increases exercise. If instrument levels are randomly assigned to individuals, then the instrument may permit consistent estimatio...

The past literature indicates that performance is disrupted for defensive pessimists by encouragement. The goals of this research were to replicate this phenomenon, and then examine the mechanisms underlying it. Specifically, does the encouragement alleviate the anxiety defensive pessimists harness, and thus leave them unmotivated, or does it increase the pressure to perform well and make them ...

The present study examined the role of maternal gatekeeping behavior in relation to fathers' relative involvement and competence in child care in 97 families with infant children. Parents' beliefs about fathers' roles were assessed prior to their infant's birth. Parents' perceptions of maternal gatekeeping behavior (encouragement and criticism) and coparenting relationship quality were assessed...

Influences of prenatal androgen exposure on human sex-typical behavior have been established largely through studies of individuals with congenital adrenal hyperplasia (CAH). However, evidence that addresses the potential confounding influence of parental socialization is limited. Parental socialization and its relationship to sex-typical toy play and spatial ability were investigated in two sa...