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| Conservation (Concept) | 5 |
| Difficulty Level | 5 |
| Task Performance | 5 |
| Age Differences | 2 |
| Cognitive Development | 2 |
| Cognitive Processes | 2 |
| Concept Formation | 2 |
| Responses | 2 |
| Tables (Data) | 2 |
| Abstract Reasoning | 1 |
| Analysis of Variance | 1 |
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| Barragy, Sister Micheleen | 1 |
| Dihoff, Roberta Elaine | 1 |
| Kaufmann, James M. | 1 |
| MacKay, C. K. | 1 |
| Peisach, Estelle | 1 |
| Wein, Norman | 1 |
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| Reports - Research | 1 |
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Peer reviewedPeisach, Estelle; Wein, Norman – Journal of Genetic Psychology, 1970
Descriptors: Conservation (Concept), Difficulty Level, Intellectual Development, Primary Education
Peer reviewedMacKay, C. K.; And Others – Developmental Psychology, 1972
One finding is that the children in this study did not reach a level in the development of these concepts expected by Piaget of 9-year-olds. (Authors/CB)
Descriptors: Concept Formation, Conservation (Concept), Developmental Tasks, Difficulty Level
Download full textBarragy, Sister Micheleen – 1969
This study was concerned with children's ability to conserve spatial relationships among objects in different arrangements, in the presence of projected changes in the observer's visual field. The objectives were: (1) to determine the effects of varying types of arrangement and number of objects in the arrangement on perspective ability…
Descriptors: Abstract Reasoning, Age Differences, Analysis of Variance, Cognitive Processes
Peer reviewedKaufmann, James M.; And Others – Psychological Reports, 1971
Descriptors: Age Differences, Cognitive Ability, Cognitive Development, Conservation (Concept)
Dihoff, Roberta Elaine – 1975
The question of developmental synchrony within the concrete operations period described in Piagetian literature was investigated. The idea of synchrony has been challenged by Brainerd's initial groupement research, which indicated a two-dimensional structure, corresponding to class operations and relational operations. A review of the literature…
Descriptors: Child Development, Cognitive Development, Cognitive Processes, Concept Formation
