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Peer reviewed Peer reviewed
ERIC Number: EJ356074
Record Type: CIJE
Publication Date: 1987
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Comparison of the Development of Ratio Concepts in Two Domains.
Bar, Varda
Science Education, v71 n4 p599-613 Jul 1987
Describes a study which sought to identify development patterns related to the acquisition of proportional reasoning in two areas, namely electricity and chemical solutions. Results from children ages 9-11 indicated that development of understanding of chemical solutions was asymmetric whereas it was symmetrical with electricity. Includes sample problems. (ML)
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: Practitioners
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Israel (Jerusalem); Science Education Research