Literature Review of Individualized Positive Behavior Support for Young Children with Developmental Delays and At-Risk

The purpose of this study were to literature review and analyze the results of experimental studies on individualized positive behavior support for young children with developmental delays and at-risk from 2002 to 2019. 17 research articles published in Korea have been selected to be reviewed and analyzed. The selected research articles were analyzed according to variables of disability type, age, intervention setting, and category of challenging behaviors and intervention strategies. The effect size of the intervention in 17 single subject design studies was analyzed by percentage of non-overlapping data point value. To summarize, developmental delays and autism spectrum disorder were the most common type of disabilities that have been studied. Inclusive kindergarten was the most common environmental research setting being investigated. The effect size of the intervention in research turned out to be highly effective level between 90 to 100% in problematic and adaptive behaviors. Therefore, future research direction were suggested for individualized positive behavior support for preschoolers with developmental delay and at-risk.