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Updated: Mar 15, 2026

Modeling Verbal Behavior Deficits with the Stimulus Control Ratio Equation, SCoRE
Published on: May 14, 2019
Referent-Based Verbal Behavior Instruction for Children with Autism.
1Department of Interdisciplinary Learning & Teaching, The University of Texas at San Antonio, San Antonio, TX USA.
This study introduces a behavior analytic intervention to enhance complex verbal repertoires by establishing multiple stimulus control over verbal behavior. This approach conditions referent stimuli to foster more adaptable language skills, particularly for individuals with autism spectrum disorders.
Area of Science:
- Behavior Analysis
- Psycholinguistics
- Developmental Psychology
Background:
- Skinner's analysis of verbal behavior focused on stimulus control.
- Verbal operants are typically controlled by converging stimuli.
- Limited stimulus control can hinder complex language development, especially in autism spectrum disorder.
Purpose of the Study:
- Propose a behavior analytic intervention to establish multiple control over verbal behavior.
- Utilize conditioning of referent stimuli to enhance verbal repertoires.
- Address limitations in complex language development due to circumscribed stimulus control.
Main Methods:
- Referent-based instruction to teach operant classes over specific targets.
- Establishing multiple control by converging verbal behavior around a referent.
- Measuring progress using a stimulus control ratio.
Main Results:
- Demonstrated a method to overcome circumscribed stimulus control.
- Facilitated the development of more complex verbal repertoires.
- Provided an objective measure of stimulus control.
Conclusions:
- The proposed intervention effectively establishes multiple control over verbal behavior.
- Referent-based instruction is a viable strategy for enhancing language skills.
- This approach offers a non-arbitrary method for developing verbal behavior.
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