A Comparative Analysis of Self-Injurious Behavior and Restricted and Repetitive Behaviors Between Samples of Children With and Without Developmental Delay or Disability
2021-12
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A Comparative Analysis of Self-Injurious Behavior and Restricted and Repetitive Behaviors Between Samples of Children With and Without Developmental Delay or Disability
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2021-12
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Restricted and repetitive behaviors (RRB) are observed in young children with intellectual and developmental delays or disabilities (DD) including autism spectrum disorders (ASD). Self-injurious behavior is often considered an extreme form of RRB, but the nature of the relation between SIB and other forms of RRBs is not completely understood. While it is known that children with ASD engage in greater frequency and severity of RRB, including SIB than typically developing (TD) children (Harrop et al., 2014; Honey et al., 2007; Joseph et al., 2013; Kim & Lord, 2010; Richler et al., 2007; Watt et al., 2008), less is known about the differences between children with global DD and TD children. The purpose of this study was to extend previous research by more fully describing the pattern of differences in RRB on the Repetitive Behavior Scale-Revised (RBS-R; Bodfish et al., 2000) between children with DD and TD children. To do so an archived dataset of three samples of children (research-screened (RS) TD group, community sample (CS) TD group, and high-risk DD group) were compared along scores on the RBS-R. Significant differences between the CSTD children and RSTD children were noted for total score and all but one of the subscales with CSTD children engaging in significantly greater frequency of RRB than RSTD children. Future research should take care when recruiting TD groups of children for normative comparisons as prevalence estimates will likely vary depending on whether relatively open community samples or comprehensively screened research samples are included. Overall results showed that children with DD engage in significantly more frequent and severe RRB than TD children across subscales of the RBS-R.
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University of Minnesota Ph.D. dissertation. 2021. Major: Educational Psychology. Advisor: Frank Symons. 1 computer file (PDF); 88 pages.
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Benson, Stephanie. (2021). A Comparative Analysis of Self-Injurious Behavior and Restricted and Repetitive Behaviors Between Samples of Children With and Without Developmental Delay or Disability. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/226430.
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