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ERIC Number: EJ108007
Record Type: CIJE
Publication Date: 1974
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Intellectual Development Beyond Elementary School V: Using Ratio in Differing Tasks
Wollman, Warren; Karplus, Robert
School Science and Mathematics, 74, 7, 593-613, Nov 74
A total of 450 seventh and eighth graders responded to six tasks requiring proportional reasoning and representing different degrees of concreteness. Results showed that more students answered questions correctly when concrete aspects existed, and that about one-fourth of the group was unpredictable in applying proportional reasoning at the formal level. (DT)
Publication Type: N/A
Education Level: N/A
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