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Response restriction and substitution with autistic children
1Southern Illinois University, Carbondale 62901.
Journal of the Experimental Analysis of Behavior
|July 1, 1988
Summary
This study explored how autistic children reallocated their time when preferred activities were restricted. The selective substitution model accurately predicted how children adjusted their behavior, suggesting a specific pattern of response adjustment.
Area of Science:
- Behavioral science
- Developmental psychology
- Autism research
Background:
- Limited research exists on time reallocation in complex human behaviors under response restriction.
- Understanding behavioral flexibility is crucial for individuals with autism spectrum disorder (ASD).
Purpose of the Study:
- To investigate time reallocation patterns in autistic children when high-probability responses are sequentially restricted.
- To evaluate the predictive accuracy of existing time-reallocation models.
Main Methods:
- Measured free-operant baseline levels of six responses in four autistic children.
- Sequentially restricted high-probability responses, reducing available options from six down to two.
- Compared observed behavioral data to predictions from four time-reallocation models.
Main Results:
- The selective substitution model accurately described the observed time reallocation patterns.
- Individual response patterns varied, prompting further analysis of alternative explanations.
- Existing models did not fully capture the complexity of behavioral adjustments.
Conclusions:
- The selective substitution model provides a robust framework for understanding behavioral reallocation under restriction in autistic individuals.
- An expanded definition of selective substitution may better characterize these complex patterns.
- Findings inform interventions aimed at promoting behavioral flexibility in autism.