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A Study of the Effects of Frequency of Probe Data Collection and Graph Characteristics on Teachers' Visual Analysis.
Peer reviewed Peer reviewed
Munger, Gail F.; And Others – Research in Developmental Disabilities, 1989
A study of the reliability of teacher's interpretations of graphed performance data on students with moderate to profound mental retardation revealed that teacher judgments are consistent and accurate for continuous improvement in performance, but less consistent for variable performance. (MSE)
Descriptors: Data Interpretation, Decision Making, Graphs, Mental Retardation
Do Adults with Mental Retardation Show Pictorial Superiority Effects in Recall and Recognition?
Peer reviewed Peer reviewed
Cherry, Katie E.; Applegate, Heather; Reese, Celinda M. – Research in Developmental Disabilities, 2002
A study examined memory for pictures and words in 16 adults with mental retardation and 24 controls. Pictorial superiority effects occurred in free recall and recognition for both intelligence-level groups. Correlational analyses indicated working memory span was primarily related to recall performance, irrespective of stimulus format. (Contains…
Descriptors: Adults, Intelligence Differences, Memory, Mental Retardation
Cognitive and Learning Processes in Children with Down's Syndrome.
Peer reviewed Peer reviewed
Pueschel, Siegfried M.; And Others – Research in Developmental Disabilities, 1987
Kaufman Assessment Battery for Children scores obtained by 20 Down's syndrome children (ages 8-12) were compared with scores of 20 younger siblings and 20 nonretarded children matched for mental age. Among results were that Down's syndrome children performed significantly better on subtests employing visual as opposed to auditory channels of…
Descriptors: Auditory Perception, Cognitive Processes, Diagnostic Tests, Downs Syndrome
Visual Preferences of Students with Profound Mental Retardation and Healthy, Full-Term Infants.
Peer reviewed Peer reviewed
Buhrow, Melissa; Bradley-Johnson, Sharon – Research in Developmental Disabilities, 2003
Thirty students (ages 3-20) with profound mental retardation and 30 healthy, full-term infants (5-8 months) were shown 12 patterned stimuli, three times each. Both groups looked significantly longer at face patterns than other patterns. However, the students with mental retardation looked longer at black and white patterns than colored patterns,…
Descriptors: Adolescents, Children, Color, Early Childhood Education
Working Memory, Intelligence and Knowledge Base in Adult Persons with Intellectual Disability.
Peer reviewed Peer reviewed
Numminen, H.; Service, E.; Ruoppila, I. – Research in Developmental Disabilities, 2002
A study explored working memory (WM) capacity, WM task requirements, as well as effects between WM, skills, knowledge base, and intelligence in adults with mental retardation and children aged 3-6 years. Adults were better on measures reflecting skills and knowledge base. Children performed better in phonological and visuo-spatial WM tasks.…
Descriptors: Adults, Cognitive Development, Cognitive Processes, Foreign Countries
The Draw-a-Person Task in Persons with Mental Retardation: What Does It Measure?
Peer reviewed Peer reviewed
Dykens, Elisabeth – Research in Developmental Disabilities, 1996
Draw-a-Person (DAP) samples from 108 adolescents and adults with mental retardation were scored using Naglieri's cognitive and emotional disturbance scoring systems. Visual-motor skills emerged as the best predictor of DAP cognitive scores, more predictive than intelligence. Findings suggest caution in using DAP as an index of intelligence or as a…
Descriptors: Adolescents, Adults, Disability Identification, Emotional Disturbances