The effects of daily tact instruction on the emission of pure mands, tacts and conversational units in non-instructional settings by two preschool children with autism
Date
2009Author
Lydon, Helena
Healy, Olive
Leader, Geraldine
Keohane, Dolleen-Day
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ydon, Helena, Healy, Olive, Leader, Geraldine, & Keohane, Dolleen-Day. (2009). The effects of daily tact instruction on the emission of pure mands, tacts and conversational units in non-instructional settings by two preschool children with autism. Journal Of Speech And Language Pathology And Applied Behavior Analysis, 3.2-3.3, 35-46.
Abstract
This study examined the effects of daily intensive tact instruction on the emission of verbal operants
in non-instructional settings by two preschool aged children with autism. A delayed multiple probe
design across participants was used to assess the effects of intensive tact instruction on the number of
pure tacts, mands and, conversational units emitted in three non-instructional settings. Daily tact
instruction included 100 tact learn units presented above the participants daily instruction. Five
categories of tacts were selected for intensive instruction and were presented as sets of two-
dimensional stimuli. Probe sessions of 15 minutes each were conducted as pre- and post- tests
following mastery of each set of tacts. Results demonstrated a functional relationship between daily
intensive tact instruction and increases in the number of pure tacts emitted in non-instructional
settings.