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Denison, Stephanie; Xu, Fei – Developmental Science, 2010
Previous research has revealed that infants can reason correctly about single-event probabilities with small but not large set sizes (Bonatti, 2008; Teglas "et al.", 2007). The current study asks whether infants can make predictions regarding single-event probability with large set sizes using a novel procedure. Infants completed two trials: A…
Descriptors: Prediction, Infants, Probability, Preschool Children
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Xu, Fei; Spelke, Elizabeth S.; Goddard, Sydney – Developmental Science, 2005
Four experiments used a preferential looking method to investigate 6-month-old infants' capacity to represent numerosity in visual-spatial displays. Building on previous findings that such infants discriminate between arrays of eight versus 16 discs, but not eight versus 12 discs (Xu & Spelke, 2000), Experiments 1 and 2 investigated whether…
Descriptors: Infants, Numeracy, Visual Stimuli, Task Analysis