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McDade, Hiram L. – 1978
A battery of immediate memory tests was given to eight mentally retarded Down's Syndrome Ss, eight controls matched on chronological age (CA), and eight controls matched on mental age (MA). All Ss were required to identify both receptively and expressively 24 items from the Peabody Picture Vocabulary Test. There was no significant difference…
Descriptors: Age, Cognitive Development, Down Syndrome, Exceptional Child Research
Allen, Doris V. – 1969
Three experiments tested whether qualitative differences in processing of verbal materials result from congenital hearing impairment. Subjects were children with reading levels equivalent to grades 4 to 6. Experiment 1 used repeated measurements with two modes of response and two kinds of cues; experiment 2 used acoustic similarity to produce…
Descriptors: Auditory Perception, Auditory Training, Cognitive Development, Cognitive Processes