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van Loosbroek, Erik; Smitsman, Ad W. – 1987
Infants' visual perception of number change was investigated in three studies. These studies focused on infants' perception of events in which the total number of objects in a small group was changed through addition of another object. Involving 60 infants 5 months of age, Study I attempted to determine whether subjects perceived the properties in…
Descriptors: Addition, Foreign Countries, Habituation, Infant Behavior