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ERIC Number: ED367479
Record Type: RIE
Publication Date: 1993-Mar
Pages: 8
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: N/A
Counting and Number Conservation.
Tollefsrud-Anderson, Linda
This study assessed estimation skills on both static and transformation (conservation) tasks on numerosities ranging from 3 to 16, and included addition and subtraction trials to control for response bias. A total of 148 four- and five-year-old children estimated the number of balls of yarn sewn on elastic straps, and participated in 1 addition, 1 subtraction, and 2 conservation trials at each numerosity of the transformation task. The children were classified into three groups based on their performance: (1) conservers, who gave at least one adequate explanation on a conservation trial; (2) transitionals, who did not explain adequately, yet quickly gave at least 90 percent correct judgements; and (3) nonconservers, who could not adequately explain the result and gave incorrect judgements. Contrary to the hypothesis, conservers were no more accurate than transitionals in number conservation tasks. (MDM)
Publication Type: Reports - Research; Speeches/Meeting Papers
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Number Conservation
Note: Paper presented at the Biennial Meeting of the Society for Research in Child Development (New Orleans, LA, March 25-28, 1993).