Descriptor
| Child Development | 1 |
| Infant Behavior | 1 |
| Infants | 1 |
| Language Acquisition | 1 |
| Language Research | 1 |
| Phonology | 1 |
| Psycholinguistics | 1 |
| Verbal Development | 1 |
Source
| Journal of Child Language | 1 |
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Peer reviewedLaufer, Marsha Zlatin; Horii, Yoshiyuki – Journal of Child Language, 1977
This study constitutes the beginning of a longitudinal investigation of phonological development of four children from birth to 2 years. Little variation was found in mean fundamental frequency. Duration, within-utterance range and variability did show developmental change. (RM)
Descriptors: Child Development, Infant Behavior, Infants, Language Acquisition
