129 first- and second-grade students were individually tested on 13 measurement and conservation items. Contrary to Piaget's conclusions, children in the earliest stages of development of conservation ...
Learning Disability Quarterly, Vol. 37, No. 4, Special Series: Reading: Part Two of Two (NOVEMBER 2014), pp. 241-251 (11 pages) This purpose of this study was to examine the reliability and validity ...
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