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Updated: Jun 12, 2026

Modeling Verbal Behavior Deficits with the Stimulus Control Ratio Equation, SCoRE
Published on: May 14, 2019
Acquisition of mands and tacts with concurrent echoic training
Tiffany Kodak1, Andrea Clements
1Munroe-Meyer Institute and University Of Nebraska Medical Center, Omaha, Nebraska 68198, USA. tkodak@unmc.edu
Abstract:
Previous studies have identified a number of effective teaching procedures to increase verbal behavior in individuals with developmental disabilities. However, few studies have evaluated modifications of treatment procedures when children fail to acquire communication skills. In the present investigation, a 4-year-old boy with autism failed to acquire unprompted mands and tacts during mand-only and tact-only training. Results indicated that combining echoic training with mand or tact training increased unprompted manding and tacting.
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