Changes in parental prosody mediate effect of parent-training intervention on infant language production.

Interventions targeting the content of parents' speech during parent-infant interactions may lead to changes in parental prosody, which may be beneficial for infants' language development. Impaired linguistic abilities in infancy are strongly associated with behavior problems in later childhood; thus, these findings highlight a potential mechanism for intervention efficacy in promoting positive socioemotional and behavioral outcomes. (PsycINFO Database Record (c) 2019 APA, all rights reserved).