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Abravanel, Eugene2
Larsen, Gary Y.1
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Larsen, Gary Y.; Abravanel, Eugene – Merrill-Palmer Quarterly, 1972
The conservation of distance and of length and the awareness of the horizontal and of the vertical do seem to significantly precede the measurement of length, but the results did not indicate that these four tasks have any developmental order among themselves. Bibliography, charts. (Author)
Descriptors: Cognitive Development, Conservation (Concept), Development, Perception
Abravanel, Eugene – 1973
The growth of spatial awareness and representation was studied in children between ages five and nine. A group of thirteen tasks was administered to subjects three times with periods of approximately six months among sessions. The tasks were selected to measure understanding of projective spatial properties (straight line trajectories,…
Descriptors: Cognitive Development, Concept Formation, Elementary Education, Geometric Concepts