Descriptor
| Cognitive Development | 2 |
| Conservation (Concept) | 2 |
| Age Differences | 1 |
| Cross Cultural Studies | 1 |
| Data Analysis | 1 |
| Elementary Education | 1 |
| Elementary School Students | 1 |
| Research Methodology | 1 |
| Sex Differences | 1 |
| Weight | 1 |
Author
| Za'rour, George I. | 2 |
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| Lebanon | 2 |
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Peer reviewedZa'rour, George I. – Science Education, 1971
"For seven to nine year old children, it is easier to conserve weight on plasticine rather than on a rubber band or on alcohol in a thermometer . . . Boys perform significantly better than girls." (Author/AL)
Descriptors: Cognitive Development, Conservation (Concept), Elementary School Students, Weight
Peer reviewedZa'rour, George I. – Journal of Cross-Cultural Psychology, 1971
Two hundred and twenty-five Lebanese elementary school children were interviewed. The ability to conserve number" and liquid" increased with age. Lebanese children lagged behind American middle-class children. (DM)
Descriptors: Age Differences, Cognitive Development, Conservation (Concept), Cross Cultural Studies
