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661.
Rosa Ruiz-Ortiz Paloma Braza Rosario Carreras José Manuel Muñoz 《Infant and child development》2023,32(2):e2391
Parenting and child temperament have both been linked to aggression among children. This study explores the moderating effects of children's surgency and sex and paternal/maternal parenting practices on aggressive behaviour in middle childhood. We analyse whether the moderating effects observed fit a Diathesis-Stress, Differential Susceptibility or Vantage Sensitivity model. Participants were 203 school children aged 7–8 years (M = 92.42 months, SD = 3.52) from southern Spain. Maternal inconsistency and coercion and paternal hostility and indulgence, had a direct effect on children's aggressive behaviour. The effects of maternal hostility and anticipatory problem solving on children's aggression were moderated by surgency (Diathesis-Stress), as was the effect of paternal coercion on aggression (Vantage Sensitivity). Children's sex was not found to moderate any effect. It therefore seems that not all children are equally sensitive to the influence of parenting on their aggression levels, and that this influence depends on their temperament.
Highlights
- This study explores the moderating effects of children's surgency and sex and paternal/maternal parenting practices on aggressive behavior.
- Children's surgency moderated the effect of maternal hostility and anticipatory problem solving on children's aggression, with both effects fitting a Diathesis-Stress model.
- Children's surgency moderated the effect of paternal coercion on children's aggression, with this effect fitting a Vantage Sensitivity model.
662.
Janet Y. Bang Manuel Bohn Joel Ramírez Jr Virginia A. Marchman Anne Fernald 《Developmental science》2023,26(4):e13354
Variation in how frequently caregivers engage with their children is associated with variation in children's later language outcomes. One explanation for this link is that caregivers use both verbal behaviors, such as labels, and non-verbal behaviors, such as gestures, to help children establish reference to objects or events in the world. However, few studies have directly explored whether language outcomes are more strongly associated with referential behaviors that are expressed verbally, such as labels, or non-verbally, such as gestures, or whether both are equally predictive. Here, we observed caregivers from 42 Spanish-speaking families in the US engage with their 18-month-old children during 5-min lab-based, play sessions. Children's language processing speed and vocabulary size were assessed when children were 25 months. Bayesian model comparisons assessed the extent to which the frequencies of caregivers’ referential labels, referential gestures, or labels and gestures together, were more strongly associated with children's language outcomes than a model with caregiver total words, or overall talkativeness. The best-fitting models showed that children who heard more referential labels at 18 months were faster in language processing and had larger vocabularies at 25 months. Models including gestures, or labels and gestures together, showed weaker fits to the data. Caregivers’ total words predicted children's language processing speed, but predicted vocabulary size less well. These results suggest that the frequency with which caregivers of 18-month-old children use referential labels, more so than referential gestures, is a critical feature of caregiver verbal engagement that contributes to language processing development and vocabulary growth.
Research Highlights
- We examined the frequency of referential communicative behaviors, via labels and/or gestures, produced by caregivers during a 5-min play interaction with their 18-month-old children.
- We assessed predictive relations between labels, gestures, their combination, as well as total words spoken, and children's processing speed and vocabulary growth at 25 months.
- Bayesian model comparisons showed that caregivers’ referential labels at 18 months best predicted both 25-month vocabulary measures, although total words also predicted later processing speed.
- Frequent use of referential labels by caregivers, more so than referential gestures, is a critical feature of communicative behavior that supports children's later vocabulary learning.