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J Comp Psychol. 2004 Mar;118(1):71-81.

The ontogeny of serial-order behavior in humans (Homo sapiens): representation of a list.

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  • 1Department of Psychology, Rutgers University, Piscataway, NJ, USA.

Abstract

The authors trained 3-, 4-, 7-, and 10-year-old children and adults (Homo sapiens) on a nonverbal serial-order task to respond to 5 items in a specific order. Knowledge of each item's sequential position was then examined using pairwise and triplet tests. Adults and 7- and 10-year-olds performed at high levels on both tests, whereas 3- and 4-year-olds did not. The latency to respond to the first item of a test pair or triplet was linearly related to that item's position in the training series for the 7- and 10-year-olds and adults, but not for the 3- and 4-year-olds. These data suggest that older children and adults, but not younger children, developed a well-integrated internal representation of the serial list.

((c) 2004 APA, all rights reserved)

PMID:
15008675
[PubMed - indexed for MEDLINE]
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