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Flexible and context-dependent categorization by eighteen-month-olds

Flexible and context-dependent categorization by eighteen-month-olds

Child Development 78(1): 19-37

One hundred 18-month-olds were tested using sequential touching and following 4 different priming contexts using sets of toys that could be simultaneously categorized at either the basic or global level. An exact expression of the expected mean sequence length for arbitrary categories was derived as a function of the number of touches made, and a finite mixture model analytic method was also used to explore individual variability in categorization. Toddlers could categorize flexibly and spontaneously selected the level of categorization as a function of the prior prime. Perceptual Variability emerged as a predictor of the level at which infants subsequently categorized. The infants were also able to classify objects as members of both basic- and global-level categories simultaneously.

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Accession: 049091119

Download citation: RISBibTeXText

PMID: 17328691

DOI: 10.1111/j.1467-8624.2007.00983.x

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