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| Affective Behavior | 1 |
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| Communication Research | 1 |
| Communication Skills | 1 |
| Infant Behavior | 1 |
| Longitudinal Studies | 1 |
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| Developmental Psychology | 1 |
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| Keller, Heidi | 1 |
| Scholmerich, Axel | 1 |
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Peer reviewedKeller, Heidi; Scholmerich, Axel – Developmental Psychology, 1987
Vocalizations of infants were classified and analyzed in a longitudinal sample of infants ranging in age from 2 to 14 weeks. Results suggest that infants performed different types of vocalizations that can be interpreted as affective states from 2 weeks of age on. Parents responded with a highly diversified pattern of reactions to different infant…
Descriptors: Affective Behavior, Classification, Communication Research, Communication Skills


