Effects of Intimate Partner Violence and Home Environment on Child Language Development in the First 3 Years of Life

ABSTRACT: Objective: Intimate partner violence (IPV) can adversely affect children's cognitive development, but links between IPV exposure and language development in the earliest years of life remain unknown. The present study examined the effects of IPV and the quality of the home environment on children's language development at age 3 years. Methods: In a prospective, 5-panel, longitudinal study of 79 mother-child dyads assessed prenatally to age 3 years, we examined standardized measures of receptive and expressive language development at age 3 years. Predictors and covariates included measures of IPV, characteristics of the home environment, maternal education, and maternal depression. Results: Regression analyses indicated a significant main effect of the home environment and maternal education on receptive language, with more supportive homes and more educated mothers at age 1 year linked to better child receptive language at age 3 years. Higher maternal education also significantly predicted better child expressive language at age 3 years. Early exposure to IPV had a direct adverse effect on children's expressive language development; however, interaction analyses indicated that this association was moderated by the quality of the home environment. Specifically, IPV adversely affected expressive language even when home quality was high, indicating that a supportive and stimulating home environment did not buffer effects of IPV on expressive language development. Conclusions: Intimate partner violence may adversely affect expressive language, even in positive home environments. Early language skill is an important predictor of later academic readiness and psychological development; therefore, children from at-risk home environments should be screened and monitored early for intervention. Address for reprints: Catherine C. Peterson, PhD, Department of Psychology, Eastern Michigan University, 361F Science Complex, Ypsilanti, MI 48197; e-mail: cpeter39@emich.edu. This study was funded by the American Psychoanalytic Association (waves 1–3), Psi Chi International Honor Society in Psychology (wave 4), the International Psychoanalytic Association (waves 4–5), and Eastern Michigan University (various waves through awarded faculty research fellowships). Portions of these findings were presented as a poster at the 2017 Society for Research in Child Development Biennial Conference. Disclosure: The authors declare no conflict of interest. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.jdbp.org). Received November , 2017 Accepted October , 2018 Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.

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