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2008-07-01

Training DTT Instructors


Daniela Fazzio, Garry L. Martin, Lindsay Arnal, and Dickie C.T. Yu
University of Manitoba, St. Amant Research Centre, Canada

Abstract
Although the demand for training individuals to implement discrete-trials teaching (DTT) is high, published studies on strategies to do so are few. We used a modified multiple-baseline design across participants to evaluate a training package for teaching university students to implement a 19-component DTT procedure to teach three tasks to a confederate role-playing a child with autism. Also, in an AB within-subject design with each participant, we compared the two components of the training package, a self-instructional manual and feedback plus demonstration. After an average of 2.6 h to master the training manual, participants’ DTT accuracy while teaching a confederate improved from 34% in baseline to 66%. After one to three sessions of feedback plus demonstration of teaching one task, DTT performance averaged 92% on that task. Participants’ DTT performance generalized to the other two tasks (mean accuracy of 94%) and to teaching the tasks to a child with autism (mean accuracy of 91%).
Keywords: Autism; Discrete-trials teaching; Teaching university students to apply discrete-trials teaching