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The Effects of Stimulus Type on Performance in a Color-Form Sorting Task with Preschool, Kindergarten, First-Grade, and Third-Grade Children
Harris, Lauren; And Others – Child Develop, 1970
Reports that form matching increased with age both in number of subjects with reliable preferences and in strength of preferences, but that at all ages form matches predominated. (Author/DR)
Descriptors: Age Differences, Classification, Cognitive Development, Intellectual Development
Children's Manipulation of Illusory and Ambiguous Stimuli, Discriminative Performance, an Implications for Conceptual Development
Daehler, Marvin W. – Child Develop, 1970
Studied discriminative and investigatory response behavior and effects of response training on children 4-5 to 6-5 years of age. (DR)
Descriptors: Age Differences, Child Development, Cognitive Development, Concept Formation
Projective Visual Imagery as a Function of Age and Deafness
Youniss, James; Robertson, Anne De Shazo – Child Develop, 1970
Results supported Piaget's viewpoint that mental imagery and general symbolic functioning are dependent on the growth of intelligence with respect to the preadolescent period. (Author)
Descriptors: Age Differences, Child Development, Cognitive Development, Deafness
Conservation of Number among Four-and Five-Year-Old Children: Some Methodological Considerations
Rothenberg, Barbara B. – Child Develop, 1969
Research supported by a grant from the Carnegie Corporation.
Descriptors: Age Differences, Cognitive Development, Conservation (Concept), Instructional Materials