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Jordan, Valerie Barnes – 1976
A reanalysis of B. Inhelder's (1968) data concerning cognitive development among retardates was performed by selecting from the original 159 subjects a sample of 104 educable mentally retarded Ss (7-19 years old) who were diagnosed as fixated or nonfixated at three of the cognitive stages postulated by Jean Piaget. The results indicated that among…
Descriptors: Adolescents, Age Differences, Children, Cognitive Development
MacMillan Donald L. – Amer J Ment Deficiency, 1969
Descriptors: Age Differences, Cognitive Development, Exceptional Child Research, Intelligence Differences
Download full textBoswell, James D. – 1969
The interrelations between mental age (MA), IQ, and mediation were studied in 72 retardates in special classes. Subjects were selected to fall into sexually balanced groups of six in 12 MA-IQ categories (IQ 50-59, 60-69, 70-79, and 80-89; MA 4-0 to 5-11, 6-0 to 7-11, and 8-0 to 9-11). The apparatus alternately displayed two pairs of stimuli, and…
Descriptors: Age Differences, Discrimination Learning, Exceptional Child Research, Intelligence Differences
Beier, Ernst G. – Amer J Ment Deficiency, 1969
Descriptors: Age Differences, Exceptional Child Research, Intelligence Differences, Mental Retardation
Rice, James A. – J Learning Disabilities, 1969
Descriptors: Academic Achievement, Academically Gifted, Age Differences, Exceptional Child Research
Siegenthaler, Bruce M. – 1970
Tests were administered to 209 educable mentally handicapped children (mean age 10.8, mean IQ 77) to determine factors related to speech hearing. Results indicated that mental age, intelligence quotient, physiological age, institutionalization, and organic bases for retardation were not significantly related either to speech reception threshold or…
Descriptors: Age Differences, Auditory Discrimination, Auditory Perception, Etiology
Stein, Joan Lerner; Budoff, Milton – 1973
Compared were performances of 39 educable mentally retarded (EMR) Ss, mean chronological age (CA) 11 1/2 years, mean mental age (MA) 7 3/4 years; 25 fifth graders matched on CA; and 27 second graders matched on MA to determine whether children of different ages and IQ spontaneously demonstrate learning strategies after repeated practice with…
Descriptors: Age Differences, Children, Exceptional Child Research, Intelligence Differences
Peer reviewedMadsen, Millard C.; Connor, Catherine – Child Development, 1973
Results show that the retarded group was significantly more cooperative than the nonretarded group, and the 6-7 year retarded group was more cooperative than the 11-12-year retarded group. (Authors/CB)
Descriptors: Age Differences, Competition, Control Groups, Cooperation
Peer reviewedCherkes, Miriam G. – American Journal of Mental Deficiency, 1975
Examined were the effects of chronological age and mental age on the understanding of logical rules by four subject groups (10- to 14-years-old): 10 average IQ Ss, 10 learning disabled Ss, 10 older educable retarded Ss and 10 younger educable retarded Ss. (Author/CL)
Descriptors: Age Differences, Cognitive Processes, Exceptional Child Research, Handicapped Children
Peer reviewedAman, Michael G.; Armstrong, Sharon; Buican, Brett; Sillick, Traci – Research in Developmental Disabilities, 2002
Twenty children with attention deficit hyperactivity disorder (ADHD) and low IQs were followed up 4.5 years later (ages 8-20). A majority continued to screen positive for ADHD, as well as display high rates of comorbid anxiety disorders, tics, and elimination disorders. Multiple medication trials resulted in significantly lower hyperactivity…
Descriptors: Adolescents, Age Differences, Anxiety, Attention Deficit Disorders
Blake, Kathryn A.; Williams, Charlotte L. – 1968
Knowledge of English morphology was studied in intellectually retarded (IQ 50 to 80), normal (IQ 90 to 110), and superior (IQ 120+) children at four chronological age (CA) levels from 4 to 12. The task involved using inflectional and derivational suffixes at two levels of generality: producing inflected and derived forms of English words, and…
Descriptors: Age Differences, English, Exceptional Child Research, Gifted
Peer reviewedCohen, Ronald L.; Nealson, Judi – Intelligence, 1979
Retarded subjects were compared with mental- and chronological-age matched controls on serial short-term memory (STM) tasks. Retarded subjects were inferior to the control groups on both primacy and recency items, under two recall conditions. These data are discussed in relation to possible mechanisms underlying IQ-related individual differences…
Descriptors: Age Differences, Cognitive Processes, Elementary Secondary Education, Individual Differences
JONES, PHILIP ROBERT – 1966
THE PURPOSE OF THE STUDY WAS TO INVESTIGATE THE RELATIONSHIP BETWEEN THE VOCATIONAL OUTLOOK OF HIGH SCHOOL EDUCABLE MENTALLY HANDICAPPED (EMH) STUDENTS AND THE TYPE OF HIGH SCHOOL PROGRAM IN WHICH THEY WERE ENROLLED. POSSIBLE RELATIONSHIPS BETWEEN EMH STUDENTS' VOCATIONAL OUTLOOK AND AGE, SEX, RACE, INTELLECTUAL LEVEL, READING ACHIEVEMENT LEVEL,…
Descriptors: Adolescents, Age Differences, Aspiration, Attitude Measures
