The empirical violation of conservation laws and its relation to structural change

Sidney Strauss, Dov Liberman

Research output: Contribution to journalArticlepeer-review

Abstract

Concrete operational Ss were provided empirical evidence of nonconservation of discontinuous quantity and weight. The findings were that few Ss accepted this evidence. This was interpreted as supporting the organismic-developmental claim that lower forms of reasoning are transformed into structurally more advanced forms. It was also found that (1) probing provides a more accurate assessment of Ss' operational levels, (2) one can empirically distinguish between logicomathematical and physical knowledge, and (3) the former is understood by Ss to be nomically necessary and the latter, in the case of weight, may not be.

Original languageEnglish
Pages (from-to)464-479
Number of pages16
JournalJournal of Experimental Child Psychology
Volume18
Issue number3
DOIs
StatePublished - Dec 1974

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