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Peer reviewedUllman, Douglas G.; Routh, Donald K. – American Journal of Mental Deficiency, 1971
Descriptors: Discrimination Learning, Exceptional Child Research, Mental Retardation, Visual Perception
Salvia, John; Shugerts, James – Except Children, 1970
Descriptors: Color, Exceptional Child Research, Mental Retardation, Visual Discrimination
Peer reviewedLobb, Harold – American Journal of Mental Deficiency, 1972
Descriptors: Discrimination Learning, Exceptional Child Research, Mental Retardation, Positive Reinforcement
Peer reviewedDeich, Ruth F. – American Journal of Mental Deficiency, 1971
Descriptors: Exceptional Child Research, Intelligence Quotient, Mental Retardation, Primary Education
Krop, Harry – Training Sch Bull, 1970
Descriptors: Difficulty Level, Exceptional Child Research, Mental Retardation, Pictorial Stimuli
Bradley, Betty Hunt – Rehabilitation Literature, 1972
Sixty mentally retarded children (mean chronological age 19.4 years, mean mental age 5.2 years) were analyzed on their discrimination of 116 colored action pictures. (Author)
Descriptors: Discrimination Learning, Exceptional Child Research, Mental Retardation, Perceptual Motor Learning
Peer reviewedSalvia, John; Ysseldyke, James – Exceptional Children, 1971
Descriptors: Exceptional Child Research, Incidence, Mental Retardation, Screening Tests
Peer reviewedNeman, Ronald; And Others – American Journal of Mental Deficiency, 1975
Descriptors: Exceptional Child Research, Institutionalized Persons, Mental Retardation, Program Effectiveness
Schein, Jerome D.; Salvia, John A. – Except Children, 1969
Descriptors: Exceptional Child Research, Identification, Incidence, Mental Retardation
Download full textRisto, Kaariainen – 1972
Investigated were psychological differences between 24 mongoloid and 56 nonmongoloid retarded Ss (mean age 17 years) by means of analyses of covariance and a discriminant analysis. After the covariance adjustments, only the psychomotor factor differed significantly between mongoloid and nonmongoloid groups. The visual perception factor was the…
Descriptors: Down Syndrome, Exceptional Child Research, Intelligence Differences, Mental Retardation
Peer reviewedCohn-Jones, L.; Seim, R. – American Journal of Mental Deficiency, 1978
The role of mental age (MA) and visual-perceptual ability in number concept development was examined with 48 nonretarded and retarded children from regular school settings. (Author)
Descriptors: Exceptional Child Research, Intelligence Differences, Mental Retardation, Number Concepts
Peer reviewedMosley, James L. – American Journal of Mental Deficiency, 1978
Two-letter stimulus displays, differing in the magnitude of the horizontal spatial separation between the letters, were presented tachistoscopically to 10 retarded and 1 nonretarded adults. (Author/CL)
Descriptors: Adults, Exceptional Child Research, Memory, Mental Retardation
Peer reviewedWebb, Thomas E. – American Journal of Mental Deficiency, 1972
Descriptors: Child Development, Exceptional Child Research, Mental Retardation, Mild Mental Retardation
Peer reviewedHoats, David L. – American Journal of Mental Deficiency, 1971
Descriptors: Adolescents, Exceptional Child Research, Institutionalized Persons, Mental Retardation
Peer reviewedStratford, B. – Journal of Mental Deficiency Research, 1980
Results showed that both groups had a preferred dimension for size over pattern. When size and patterns were combined, the Down's syndrome Ss were confused by the two dimensions, showing preference for one or the other. (Author/DLS)
Descriptors: Attention, Dimensional Preference, Downs Syndrome, Drafting
