A study involving three preschoolers with developmental disabilities examined whether or not the use of a simultaneous prompting procedure would result in an increase on the percentage of correct responding of receptively identifying occupations from picture cards. Results found simultaneous prompting was effective. Maintenance and generalization…

Verbal prompts, modeling, physical guidance, positive reinforcement, fading, and chaining procedures were used to teach two nonverbal individuals (one severely and one moderately mentally retarded) an interactive signing dialogue in a naturalistic setting. Although clients learned to use signed communication, extensive training was required and…