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Updated: Mar 23, 2026

Modeling Verbal Behavior Deficits with the Stimulus Control Ratio Equation, SCoRE
Published on: May 14, 2019
Individual and combined effects of noncontingent reinforcement and response blocking on automatically reinforced
Valdeep Saini1, Brian D Greer2, Wayne W Fisher1
1University Of Nebraska Medical Center'S Munroe-Meyer Institute.
Insights
Combining noncontingent reinforcement (NCR) and response blocking effectively reduced problem behaviors maintained by automatic reinforcement. Individual interventions were insufficient, but the combined approach proved successful for pica.
Area of Science:
- Behavioral Psychology
- Applied Behavior Analysis
Background:
- Automatic reinforcement often maintains problem behaviors.
- Noncontingent reinforcement (NCR) and response blocking are common interventions.
Purpose of the Study:
- To evaluate the effectiveness of a combined NCR and response blocking intervention for automatically reinforced problem behavior.
- To compare the combined intervention with individual NCR and blocking strategies.
Main Methods:
- The study involved three children with automatically reinforced problem behavior.
- Interventions included NCR alone, blocking alone, and a combination of NCR and blocking.
Main Results:
- The combined NCR and blocking intervention effectively reduced problem behavior.
- Individual interventions (NCR or blocking alone) were not sufficient to decrease problem behavior.
- Problem behavior reduction occurred while moderate to high levels of item engagement persisted.
Conclusions:
- A combined NCR and response blocking intervention is more effective than individual strategies for automatically reinforced problem behavior.
- This combined approach offers a viable treatment for severe problem behaviors maintained by automatic reinforcement.
Abstract:
Noncontingent reinforcement (NCR) and response blocking are 2 common interventions for problem behavior maintained by automatic reinforcement. We implemented NCR and blocking with 1 boy and found this combined intervention to be effective at decreasing high rates of automatically reinforced pica. With another child, we compared the effects of blocking alone to the combined intervention. With the third child, we compared NCR alone and blocking alone to the combined intervention. Results showed that the combined intervention was effective at reducing automatically reinforced problem behavior while moderate to high levels of item engagement maintained. When evaluated individually, neither NCR nor blocking was sufficient to reduce problem behavior to clinically significant levels.
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