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Greer, R. Douglas; Pistoljevic, Nirvana; Cahill, Claire; Du, Lin – Analysis of Verbal Behavior, 2011
We used a delayed non-concurrent pre- and post-intervention probe design to test the effects of a voice conditioning protocol (VCP) with 3 preschoolers with autism on (a) rate of acquisition of listener curricular objectives, (b) observing voices and the presence of adults across 3 settings, (c) selecting to listen to adults tell stories in free…
Descriptors: Intervention, Adults, Behavior Problems, Story Telling
Massari, David J. – 1971
One hundred twenty-eight preschool boys were subjects in a 4x2x2 factorial design to investigate the change in reinforcer efficacy as a function of prior stimulus exposure. The factors were: (1) amount of repetition, 5, 25, 45, or 65; (2) reinforcer, good or bell; and (3) satiator, good or bell. Two additional groups were run as control groups to…
Descriptors: Conditioning, Discrimination Learning, Extinction (Psychology), Learning