Behavior analysts typically teach conditional discriminations in a mixed-trial format but may switch to a blocked-trial format for learners displaying limited acquisition. No known research has shown that mixed-trial methods are more effective or efficient than blocked-trial methods for teaching discriminations, so it is not clear why this format…

The purpose of the current study was to examine the effects of mand, tact, and native-to-foreign (NFI) and foreign-to-native (FNI) intraverbal training on the acquisition of a foreign language. We used a multiple-baseline design across participants with an embedded adapted alternating treatments design to compare the effects of mand training, tact…

Previous research has shown that praise is an effective reinforcer; however, few researchers have evaluated whether qualitative differences in praise affect responding. The purpose of the current study was to compare the effects of neutral, enthusiastic, and no praise on the rate of matching-to-sample acquisition during discrete-trial training…

Advancing the education of low-income adults could increase employment and income, but adult education programs have not successfully engaged low-income adults. Monetary reinforcement may be effective in promoting progress in adult education. This experiment evaluated the benefits of providing incentives for performance in a job-skills training…

The current study examined whether monetary incentives could increase engagement and achievement in a job-skills training program for unemployed, homeless, alcohol-dependent adults. Participants (n?=?124) were randomized to a no-reinforcement group (n?=?39), during which access to the training program was provided but no incentives were given; a…

An adult with autism and a mild intellectual disability participated in a 0-s delayed matching-to-sample task. In each trial, two sample stimuli were presented together until the participant completed an observing-response requirement consisting of 1 or 10 mouse clicks in the baseline and experimental phases, respectively. One of the two sample…

Results of longitudinal studies suggest that the stability of preferences varies across individuals, although it is unclear what variables account for these differences. We extended this work by conducting periodic assessments of preference for leisure activities over 3 to 6 months with 10 adults with developmental disabilities. Although previous…

Currently recommended practice in supported work emphasizes training job skills to workers with severe disabilities while on the job. Early behavioral research indicated that skills needed in natural environments could also be trained in simulated settings. We compared job-site plus simulation training for teaching job skills to supported workers…

An alternating treatments design was used to compare gentle teaching, visual screening, and a task-training condition in the reduction of high-level stereotypy of three persons (aged 7, 21, and 28) with mental retardation. Visual screening produced the greatest and most consistent decrease, while gentle teaching was found to have limited…

A pyramidal model of parent training by peers was compared to training by a professional, with 26 parents of children with autism. Both types of training helped in acquiring, maintaining, and generalizing parents' teaching skills, and children's performance mostly increased. Improvements were comparable for parents trained by a professional or by…

This study of the social interactions of 37 adults with severe disabilities in 18 supported employment programs found that workers in individual and enclave programs had more contact with nondisabled persons than did members of work crews, whereas there were no differences between individual and enclave sites. (Author/JDD)

Four mentally retarded adults received single case instruction, followed by general case instruction, on washing machine and dryer use, using either actual appliances or simulation. Generalization errors were affected by single/general case instruction, not by use of simulated versus natural conditions. General case simulation was more efficient…