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Dillon, Ronna; Carlson, Jerry S. – Educational and Psychological Measurement, 1978
The effects of performance-enhancing modifications of testing procedures of a Piagetian-type instrument were investigated for samples of elementary school-aged White, Black, and Mexican-American children. Results are discussed in terms of test validity. (JKS)
Descriptors: Age Differences, Cultural Influences, Developmental Stages, Developmental Tasks
Birch, Leann Lipps – 1975
To investigate developmental differences in timesharing performance, 60 boys, 20 in each of three age groups (7-, 10- and 13-year-olds), performed an auditory matching task and a tracking task alone and concurrently, the latter under two sets of instructions. Decrements produced by concurrent performance were compared for the three age groups.…
Descriptors: Age Differences, Cognitive Development, Cognitive Processes, Developmental Tasks
Ehri, Linnea C. – 1973
In order to verify claims made by Genevan researchers that linguistic production but not comprehension capabilities distinguish seriators from nonseriators, three tasks were administered to children between the ages of four and eight. Subjects were asked to arrange in order objects varying in size, to describe how the objects differed from each…
Descriptors: Age Differences, Child Development, Children, Developmental Tasks
Fletcher, Harold J.; Cox, William F., Jr. – 1972
Two experiments investigated developmental aspects of the two components of scientific reasoning: induction and deduction. In the first experiment, 98 subjects, ages 5 through 11, inductively identified four silhouetted pictures by removing, one at a time and in any sequence, as few covering pieces as possible. Results indicated that: (a) the…
Descriptors: Age Differences, Citations (References), Cognitive Development, Deduction
Zonana, Katharine Bagby – 1974
Children judged the ability and effort of peers whose test performance varied across two dimensions: number of problems attempted and percentage correct. There was a developmental progression in the children's evaluative approach. Younger children used only one cue, number correct, to evaluate both ability and effort. Older children used both cues…
Descriptors: Academic Achievement, Age Differences, Analysis of Variance, Behavior Development
McKeough, Anne M. – 1987
An analysis of children's narrative composition and art revealed concurrent development at both a general structural level and at a fine-grained detail level. A three-part study investigated whether this general cognitive pattern would be maintained across a different range of tasks: literary composition, scientific reasoning, and working memory.…
Descriptors: Age Differences, Child Development, Cognitive Development, Cognitive Processes
Saito-Horgan, Noriko – 1995
If, as research suggests, exposing children to two languages and two cultures provides a cognitive advantage, it could be assumed that a child exposed to two languages may be accelerated in a more advanced cognitive stage (as defined by Piaget) than a child exposed to only one language. This study sought to determine when Hispanic children from…
Descriptors: Age Differences, Bilingual Students, Bilingualism, Classification