作者: Grayson H. Wheatley
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摘要: AUTHOR Wheatley, Grayson H. TITLE The Piagetian Conservation of Length as Effected by Two Alternate Modes Spatial Translation: A Methodological Problem. Final Report. INSTITUTION Purdue Research Foundation, Lafayette, Ind. SPONS AGENCY National Center for Educational and Development (DHEW/OE), Washington, D.C. Regional Program. BUREAU NO BR-1-E-035 PUB DATE Jun 72 GRANT OEG -5 -71 -0018 (509) NOTE 170p.