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Use of a latency-based demand assessment to identify potential demands for functional analyses
Nathan A Call1, Sarah J Miller2, Joslyn Cynkus Mintz1
1Marcus Autism Center, Children's Healthcare of Atlanta, and Emory University School of Medicine.
Journal of Applied Behavior Analysis
|July 30, 2016
Summary
A new demand assessment accurately identifies escape-maintained problem behavior. Using the least aversive demand in functional analysis improves escape function identification and avoids false negatives.
Area of Science:
- Behavior Analysis
- Applied Behavior Analysis
- Functional Analysis
Background:
- Tangible reinforcers are identified using preference assessments in functional analyses.
- Demands are often chosen arbitrarily or via caregiver report for functional analyses.
- This can lead to inaccurate identification of escape-maintained problem behavior.
Purpose of the Study:
- To evaluate a demand assessment for identifying aversive demands.
- To determine if using a demand assessment improves functional analysis outcomes for escape-maintained problem behavior.
Main Methods:
- A demand assessment was conducted with 12 participants exhibiting escape-maintained problem behavior.
- Participants were exposed to 10 different demands.
- Aversiveness was measured by the latency to the first instance of problem behavior.
Main Results:
- Functional analyses using the least aversive demand (shortest latency) identified an escape function in 11 participants.
- Functional analyses using the most aversive demand (longest latency) identified an escape function in only 5 participants.
- Failure to use the demand assessment could result in false-negative findings for 7 participants.
Conclusions:
- A demand assessment is a valuable tool for identifying aversive demands.
- Incorporating demand assessments into functional analyses enhances the accurate identification of escape functions.
- This method can prevent false-negative results in behavior analysis.
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