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Download full textCasey, Sean D. – Behavior Analyst Today, 2008
The effectiveness of within-session and across-session variations of a progressive time delay procedure for teaching sight words was evaluated for five participants with cognitive delays. Participants were exposed to five target stimuli using two variations of progressive time delay procedures in an alternating treatments design, followed by the…
Descriptors: Stimuli, Mental Retardation, Sight Vocabulary, Instructional Effectiveness
