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Effects Of Single Versus Multiple Verbal Operant Arrangements On The Acquisition Of Mands And Tacts In Preschool Children, Tina M. Sidener

Dissertations

Verbal Behavior programs for children diagnosed with autism typically teach novel language in the context of multiple verbal operant arrangements. Commonly called "mixed verbal behavior", this involves the interspersal of various exemplars across verbal operant categories. Despite the current recommended use of this teaching procedure, only 2 studies to date have empirically evaluated its effectiveness (i.e., Arntzen & Almas, 2001; Carroll & Hesse, 1987). In both of these studies, mixed mand-tact training resulted in faster mean acquisition of tacts than tact-only training. In Experiment 1 of the current investigation, a systematic replication of previous studies was conducted with 3 typically-developing …