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| Acoustics | 1 |
| Caregiver Speech | 1 |
| Foreign Countries | 1 |
| Infants | 1 |
| Language Research | 1 |
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| Mothers | 1 |
| Parent Child Relationship | 1 |
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| Child Development | 1 |
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| Masataka, Nobuo | 1 |
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Peer reviewedMasataka, Nobuo – Child Development, 1992
Vocal interactions of mothers and infants were recorded. Mothers' vocalizations were coded for five categories of pitch. Infant vocalization in relation to pitch variants of maternal speech was characterized by several physical parameters, such as duration and peak frequency of vocalization. (BC)
Descriptors: Acoustics, Caregiver Speech, Foreign Countries, Infants
