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Barenboim, Carl – Child Development, 1981
Descriptors: Adolescents, Age Differences, Children, Expressive Language
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Miller, Dolores J.; And Others – Child Development, 1976
Serial habituation of visual fixations was investigated through a design permitting cross-sectional, within-subject longitudinal, cohort longitudinal, and time-lag analyses. Results suggested that for all ages habituation was under way to the parts of the stimulus in order of the realitive saliencies. No one methodology appeared to significantly…
Descriptors: Age Differences, Discrimination Learning, Habituation, Infants
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Mattock, Karen; Burnham, Denis – Infancy, 2006
Over half the world's population speaks a tone language, yet infant speech perception research has typically focused on consonants and vowels. Very young infants can discriminate a wide range of native and nonnative consonants and vowels, and then in a process of "perceptual reorganization" over the 1st year, discrimination of most…
Descriptors: Tone Languages, Infants, Chinese, English
Curcio, Frank; And Others – 1969
This paper describes the purposes and procedures of a longitudinal study designed to: (1) relate mother-infant interaction patterns to infant age, sex, and social class; (2) relate mother-infant interaction patterns to infant sensory-motor development; and (3) to examine the relationship between infant sensory-motor development and infant sex and…
Descriptors: Age Differences, Cognitive Development, Data Analysis, Infant Behavior
Hermanns, Jo – 1979
This study attempts to identify potential school problems in preschool children in order to facilitate the provision of relevant information for systematic screening and early guidance. Data from the first 14 months (to the end of the preschool period) of a longitudinal study extending from 4 1/2 years of age to the end of second grade are…
Descriptors: Age Differences, Behavior Patterns, Behavior Rating Scales, Cognitive Development
Osborne, R. Travis; Lindsey, James M. – 1965
A total of 125 white children from three counties in Georgia (selected as representative of small rural and medium and large industrial urban populations) were administered a battery of tests in three phases of their schooling: (1) during the summer preceding their admission to the first grade, (2) near the end of the first grade, and (3) near the…
Descriptors: Age Differences, Concept Formation, Elementary School Students, Expressive Language
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