Abstract
The present study Investigated the relationship between the shape and location of multistimulus prompts and the distinctive features of task stimuli as an important variable for establishing a difficult form discrimination through time delay. The subjects in the two experiments of the study were 4- and 5-year-old children. Two color cues were used in each of the four conditions in Experiment 1, one for prompting responding to the S+ and one for preventing responding to the S-. The prompts had either the same shape as the distinctive features of the task stimuli or a different shape, and they were presented next to or distant from these features. The results show that most subjects learn the task only when the shapes and locations of the prompts correspond with those of the critical features of the task stimuli. Experiment 2 investigated whether a complete spatial unification of the prompts with the distinctive features of the task stimuli would further increase the efficacy of time delay. Two conditions were used, one in which the prompts were presented at the very same locations as the critical features (unified prompts) and one in which they were presented next to these features (juxtaposed prompts). The results show no significant differences between conditions. Both conditions result in most or almost all subjects learning the task.
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Appreciation is expressed to Tjeerd Anema, Pierre Kemmere, Trudie Klooster, and Jeltje van der Steen for their assistance.
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Smeets, P.M., Lancioni, G.E. & Striefel, S. Discrimination Training Through Time Delay of Multistimulus Prompts: The Shapes and Locations of the Prompts. Psychol Rec 37, 507–521 (1987). https://doi.org/10.1007/BF03394996
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DOI: https://doi.org/10.1007/BF03394996