Abstract
The ability of retarded and normal adult Ss to follow instructions presented auditorially at three rates of speed was examined. Faster rates of stimulus presentation adversely affected the performance level of both groups in recalling and pointing to sequentially ordered concepts of size, color and form. The group of retarded Ss listening to instructions presented at the fastest rate had a significantly lower level of performance than the retarded Ss hearing instructions presented at the slowest rate.
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Gordon, M.C., Gordon, A. & Perrier, C. Stimulus presentation rate and level of intellectual competency. Psychon Sci 8, 403–404 (1967). https://doi.org/10.3758/BF03332262
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DOI: https://doi.org/10.3758/BF03332262