The association between parenting stress and child externalizing behavior, and the mediating role of parenting, has yielded inconsistent findings; however, the literature has typically been cross-sectional and unidirectional. In the current study the authors examined the longitudinal transactions among parenting stress, perceived negative parental reactions, and child externalizing at 4, 5, 7, and 10 years old. Models examining parent effects (parenting stress to child behavior), child effects (externalizing to parental reactions and stress), indirect effects of parental reactions, and the transactional associations among all variables, were compared. The transactional model best fit the data, and longitudinal reciprocal effects emerged between parenting stress and externalizing behavior. The mediating role of parental reactions was not supported; however, indirect effects suggest that parenting stress both is affected by and affects parent and child behavior. The complex associations among parent and child variables indicate the importance of interventions to improve the parent–child relationship and reducing parenting stress.
A transactional model examining the longitudinal association between vagal regulation (as indexed by vagal withdrawal) and maternal sensitivity from age 2.5 to age 5.5 was assessed. The sample included 356 children (171 male, 185 female) and their mothers who participated in the 2.5, 4.5, and 5.5 year laboratory visits. Cardiac vagal tone was obtained during a baseline task and during emotional frustration tasks. Maternal sensitivity was assessed via direct observation during a pretend play and cleanup task. To test for transactional associations, a path model estimating stability paths for vagal withdrawal and maternal sensitivity was compared to a full reciprocal model that included all cross-lagged pathways. A chi-square difference test was used to evaluate if the cross-lagged model explained the data above and beyond the stability model. The vagal withdrawal cross-lagged model was found to fit significantly better than the stability model and revealed that maternal sensitivity at 2.5 years was associated positively with vagal withdrawal at 4.5 years, and vagal withdrawal at 4.5 years was associated positively with maternal sensitivity at 5.5 years. These results suggest that early sensitive responding by mothers was associated with increases in vagal withdrawal, which in turn was associated with higher levels of sensitive parenting.
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