Past research has demonstrated a transformation of stimulus functions under similar conditions using gambling tasks and adults (e.g., Zlomke & Dixon, 2006), and the present study attempted to extend this research. Experimenters exposed 7 children (ages 7 to 10 years) to a simulated board game with concurrently available dice differing only by…

This case study describes initially unsuccessful attempts to use the delayed-cue procedure to teach conditional discriminations to a 25-year-old male with moderate mental retardation. The subject typically waited for the delayed cue unless differential responses to the dictated samples (repeating the sample names) were required. (Author/DB)

The study compared the task demonstration model and the standard prompting hierarchy in training 8 persons (ages 16-21) with moderate or severe mental retardation on a discrimination task. The task demonstration model was found to be superior during both training and generalization phases. (DB)