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Marcos, Haydee; Chanu, Mila Kornhaber-le – International Journal of Behavioral Development, 1992
A study of 13 14-month-old and 12 18-month-old children found that the younger infants relied more on gestures and fussing to express their physical wants, whereas the older infants relied more on vocal responses, especially when clarification of their wants was needed. (MDM)
Descriptors: Age Differences, Body Language, Cognitive Development, Developmental Stages