This project is meant to identify relations between the reinforcement histories of 80 adults with intellectual and developmental disabilities (IDD) and the prevalence of extinction bursts. Extinction bursts, or temporary increases in rates and intensities of behavior during extinction, often preclude the inclusion of extinction in intervention packages meant to suppress severe challenging behavior, despite the fact that extinction is often necessary to generate therapeutic outcomes. Study results will provide insight into how researchers can enhance interventions for the severe challenging behavior of individuals with IDD while mitigating the undesirable collateral effects (i.e., extinction bursts) of therapeutic action (i.e., extinction). Expanded access to study results will be made available to those who inquire after all data have been obtained and analyzed.
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Peak Response Rate During Extinction
Timeframe: This measure was obtained throughout the primary assessment (i.e., the extinction challenge)
Schedule Value at Breakpoint
Timeframe: PRA breakpoints were obtained during pre-assessment and were used as a matching variable prior to random assignment.
The Schedule Value Designated as Pmax
Timeframe: Pmax values were obtained during pre-assessment and were used as a scaling variable to set baseline schedule parameters.
Response Latency
Timeframe: This measure was obtained throughout the primary assessment (i.e., the extinction challenge)