Abstract
This study was a systematic extension of Karmali, Greer, Nuzzulo-Gomez, Ross, and Rivera-Valdes (2005) and Ahearn, Clark, MacDonald, and Chung (2007). We investigated the effects of a tact correction procedure on stereotypic vocalizations in 4 children diagnosed with autism who ranged in age from 6 to 16 years. Participants had limited vocal verbal repertoires and were primarily dependent on prompts for the emission of appropriate vocalizations. A multiple-baseline design across participants was used. Data were collected on instances of stereotypic vocalizations and independent tacts during baseline conditions and on instances of stereotypic vocalizations, independent tacts, and echoic-tacts during intervention. Procedural integrity and social validity data were also obtained. The results indicated a decrease in stereotypic vocalizations for 3 of the 4 participants and a slight increase in appropriate vocal verbal behavior (i.e., tacting) for all participants. The study provides support for the use of tact correction procedures to decrease stereotypic vocalizations and increase appropriate vocalizations in children with autism.
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This study is based on the first author’s thesis completed under the supervision of the second and third authors in partial fulfillment of the master of science degree at The Chicago School of Professional Psychology. The study was presented at the 2009 ABAI conference in Phoenix, AZ.
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Guzinski, E.M., Cihon, T.M. & Eshleman, J. The Effects of Tact Training on Stereotypic Vocalizations in Children With Autism. Analysis Verbal Behav 28, 101–110 (2012). https://doi.org/10.1007/BF03393110
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DOI: https://doi.org/10.1007/BF03393110