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Borys, Suzanne V. – American Journal of Mental Deficiency, 1980
Only 11 of 22 mildly retarded young adults successfully passed a criterion pretest involving discriminating pairs of upright same-different cones. The 11 Ss performed poorly on a second task involving a more complex transformation. Ss who failed the criterion task produced primarily egocentric responses. (Author)
Descriptors: Exceptional Child Research, Imagery, Kinesthetic Perception, Mild Mental Retardation