I conducted a descriptive study consisting of 30 preschool participants with and without disabilities to examine the relation between the 3 bidirectional operants. The bidirectional operants were speaker-as-own-listener cusps, which included bidirectional verbal operants between people, bidirectional self-talk conversational units, and…

The primary focus of the present experiment was to study participants' self-talk during conditional discrimination training and test for the emergence of conditional relations consistent with equivalence. Eighteen adult participants were exposed to either a Many-to-One (MTO) or a One-to-Many (OTM) training structure arranged as a 6-s delayed…

An adapted alternating treatments design was used to compare the efficacy of echoic and textual prompts to teach three students with autism (ages 8-15) to ask questions related to two pre-selected topics of conversation. Participants were first required to answer questions related to the topics to determine whether accurate responses were within…

Based on Skinner's classification of verbal behavior, the mand is the first and most advantageous verbal operant to develop. Deficits in vocal mand repertoires are common in children with autism spectrum disorders (ASD) and can lead to decreased social interaction and increased problem behavior. The present investigation compared the effects of…

Studies that have compared the effectiveness of differing prompt types to teach intraverbal responses have yielded mixed results, suggesting that individuals' reinforcement histories with prompt types may influence which prompt will be most effective. The purpose of this study was to test whether programmed increases in exposure to specific prompt…

Mand training is often a primary focus in early language instruction and typically includes mands that are positively reinforced. However, mands maintained by negative reinforcement are also important skills to teach. These include mands to escape aversive demands or unwanted items. Another type of negatively reinforced mand important to teach…

We report 2 experiments that tested the effects of multiple exemplar instruction (MEI) across training sets on the emergence of productive autoclitic frames (suffixes) for 6 preschoolers with and without language-based disabilities. We implemented multiple exemplar tact instruction with subsets of stimuli whose "names" contained the suffix "-er"…

Approximately 5% of older adults have a dementia diagnosis, and language deterioration is commonly associated with this disorder (Kempler, 2005). Several instruments have been developed to diagnose dementia and assess language capabilities of elderly adults. However, none of these instruments take a functional approach to language assessment as…

Reasoning from recent psycholinguistic research, it was predicted that discrimination between two monochromatic stimuli would be poorer when they belong to the same color category, better when they belong to different color categories in the language of the observer. Accordingly, it was predicted that hue discrimination functions vary…