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Schaffer, H. Rudolph; And Others – Child Development, 1972
Wariness did not set in gradually over a period of time but, on the contrary, was found in its fully developed form at 9 months, having been completely absent at 8 months. (Authors/MB)
Descriptors: Age Differences, Developmental Psychology, Eye Fixations, Infants
Peer reviewed Peer reviewed
Odom, Richard D.; Lemond, Carolyn M. – Child Development, 1972
For the age range tested there is a lag between the perception and production of certain facial expressions. (Authors)
Descriptors: Age Differences, Child Development, Facial Expressions, Grade 5
Brooks, Jeanne – 1974
This paper presents two studies of the development of social competencies in infancy. In the first experiment, the central issue investigated was whether facial configuration or height is utilized by infants to respond differentially to children and adults. Five different strangers, a male and a female child, a male and a female adult, and a small…
Descriptors: Adults, Age Differences, Body Height, Children
Lindstrom, David R.; Shipman, Virginia C. – 1972
The Seguin Form Board Test is used to assess visual discrimination and matching and eye-hand coordination. Previous analysis has shown the vactor loadings for the same scale to differ among age levels, so the test may be measuring different abilities at different age levels. Test materials consist of ten differently shaped wooden blocks and a…
Descriptors: Age Differences, Cognitive Ability, Data Analysis, Disadvantaged Youth