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Direct linkTrezise, Kim L.; Gray, Kylie M.; Sheppard, Dianne M. – Journal of Applied Research in Intellectual Disabilities, 2008
Background: Down syndrome (DS) has been the focus of much cognitive and developmental research; however, there is a gap in knowledge regarding sustained attention, particularly across different sensory domains. This research examined the hypothesis that children with DS would demonstrate superior visual rather than auditory performance on a…
Descriptors: Mental Age, Mental Retardation, Down Syndrome, Children
Glass, Gene V. – J Educ Psychol, 1969
Reprints from: Gene V. Glass, Laboratory of Educational Research, University of Colorado, Boulder, Colorado 80302.
Descriptors: Age, Hypothesis Testing, Intelligence Quotient, Learning
Rohwer, William D.; Jensen, Arthur R. – J Educ Psychol, 1969
Reprints from: Arthur R. Jensen, School of Education, University of California, Berkeley, California 94720.
Descriptors: Age, Hypothesis Testing, Intelligence Quotient, Learning
Peer reviewedWeisz, John R.; Yeates, Keith Owen – Psychological Bulletin, 1981
Surveys 30 studies involving 104 separate tests of the "similar structure hypothesis" which holds that, when nonorganically impaired retarded and nonretarded persons are similar in developmental level, they are also similar in the processes and concepts by which they reason. (Researchers distinguished between studies that excluded…
Descriptors: Cognitive Development, Comparative Analysis, Conservation (Concept), Hypothesis Testing
