New motor skills supply infants with new possibilities for action and have consequences for development in unexpected places. For example, the transition from crawling to walking is accompanied by gains in other abilities--better ways to move, see the world, and engage in social interactions (e.g., Adolph & Tamis-LeMonda, 2014). Do the…

This study explores the developmental change of mother-child interactions in order to investigate which aspects of maternal behavior affect children's speech production. To this end, the interactions between 79 German-speaking mothers and their two- or five-year-old children were observed at two time points (12 months apart) and in two interactive…

To understand whether a responsive parenting intervention for socially disadvantaged mothers was related to preintervention parenting resources, the authors examined both of these conditions as moderators of behavior change in 264 participating families (term, n = 120; very low birth weight, n = 144). Families were randomly assigned to an…