The Effects of the Interspersal of Related Responses on the Emergence of Intraverbals for Children With Autism Spectrum Disorder
The present study evaluated the emergence of intraverbals for 2 children diagnosed with autism spectrum disorder. Prior to baseline, both children demonstrated tact, tact function, listener, and listener by function responses with 12 pictorial stimuli, yet they failed to demonstrate intraverbals related to the function of the items (e.g., “What do you do with [item]?” and “What do you use to [function]?”). Following baseline, previously mastered related tact, tact function, listener, and listener by function tasks were presented prior to probe trials for the target item-function and function-item intraverbals. Results showed that interspersal of the related tasks for a subset of the intraverbals led to the emergence of untrained item-function and function-item intraverbals for both participants. In Experiment 2, the long-term effects of this remedial training on the emergence of untrained intraverbals was evaluated as new tact and listener responses were trained. Results of Experiment 2 showed that tact function and listener by function training was sufficient to establish the emergence of item-function and function-item intraverbals in the absence of related-task interspersal. These results are discussed in relation to current explanations for emergent responding.
Keywordsautism emergence intraverbal tact listener responding verbal behavior
Compliance with Ethical Standards
Conflict of Interest
The authors have no declared financial conflicts of interest.
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent was obtained for all individuals in the study.
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