What can we learn from toddlers about categorical perception of color? comments on Goldstein, Davidoff, and Roberson
Davies, I. R. L.
Journal of Experimental Child Psychology
239 - 245
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We comment on Goldstein, Davidoff, and Roberson's replication and extension (Journal of Experimental Child Psychology, 102, 219-238 ) of our study of the effect of toddlers' color term knowledge on their categorical perception (CP) of color (Journal of Experimental Child Psychology, 90, 114-141 ). First, we discuss how best to assess color term knowledge when concerned with the effects of language on color CP. A reanalysis of our data indicates that even toddlers who do not know the terms for the relevant focal colors still show CP. Second, we comment on Goldstein and colleagues' finding of blue-purple CP, as we did, but not of blue-green CP in Himba toddlers. We present contrasting data from Wright (unpublished PhD thesis, University of Surrey, 2006) that demonstrates blue-green CP in Himba toddlers. Finally, we discuss the limitations of the approach taken by all of these investigations and discuss theoretical accounts of the origin and nature of color CP.