Findings of addition and subtraction in infants are robust and consistent: reply to Wakeley, Rivera, and Langer.
Findings showing numerical computation abilities in infants are considerably more robust and consistent than Wakeley, Rivera, and Langer suggest. All the interim replication attempts have successfully replicated my original findings. Possible reasons for Wakeley et al.'s failure to replicate are discussed.
Wynn
K
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Department of Psychology, Yale University, New Haven, CT 06520-8205, USA. karen.wynn@yale.edu
D001288:Attention; D003210:Concept Formation; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008433:Mathematics; D011340:Problem Solving; D002666:Psychology, Child