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| Child Development | 2 |
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Peer reviewedSostek, Anita Miller; Anders, Thomas F. – Child Development, 1977
Descriptors: Cognitive Development, Individual Characteristics, Infants, Measurement Instruments
Peer reviewedMatheny, Adam P., Jr. – Child Development, 1980
Factor analysis of 25 rating scales from Bayley's infant behavior record were performed for a sample of about 300-400 infant twins tested one or more times between 3 and 24 months of age. The analyses provided five major and two minor factors that were considerably consistent at all ages. (Author/DB)
Descriptors: Affective Behavior, Age Differences, Auditory Perception, Factor Analysis
