Understanding Internalizing and Externalizing Behaviors in Autistic Toddlers

Rachel S. Levy, Hannah L. Fipp-Rosenfield, Jordan P. Lee, Jeffrey M. Grauzer, Megan Y. Roberts*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Purpose: The majority of autistic toddlers present with clinically significant levels of internalizing or externalizing behaviors. Despite the prevalence of inter-nalizing and externalizing behaviors in caseloads, the overwhelming majority of speech-language pathologists (SLPs) have not received specialized instruction in how to support children with these behaviors. The purpose of this study was to identify which child and caregiver characteristics are most associated with internalizing and externalizing behaviors in autistic toddlers in order to consider how SLPs may tailor their treatment to better support the individual needs of autistic children. Method: Participants included 109 mothers and their autistic children between 18 and 48 months of age. This study was a secondary analysis of data from a randomized clinical trial. Participants’ baseline data included a variety of child (i.e. expressive language, receptive language, restricted and repetitive behavior [RRB], and nonverbal cognition) and caregiver (i.e. self-efficacy and responsive-ness) characteristics. Seemingly unrelated regressions were conducted to deter-mine which characteristics were associated with internalizing and externalizing behaviors in autistic toddlers. Results: Higher RRB scores were associated with both higher internalizing and externalizing behavior scores. A lower nonverbal cognition score was also asso-ciated with higher internalizing behavior scores but to a lesser extent than RRB. Conclusion: These findings suggest that SLPs may support internalizing and externalizing behaviors in autistic children by taking RRBs and nonverbal cogni-tion into consideration.

Original languageEnglish (US)
Pages (from-to)2908-2921
Number of pages14
JournalAmerican journal of speech-language pathology
Volume32
Issue number6
DOIs
StatePublished - Nov 2023

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Developmental and Educational Psychology
  • Linguistics and Language
  • Speech and Hearing

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