Descriptor
| Behavioral Science Research | 1 |
| Infant Behavior | 1 |
| Infants | 1 |
| Measurement Techniques | 1 |
| Sleep | 1 |
| Tables (Data) | 1 |
Source
| Child Development | 1 |
Author
| Ashton, R. | 1 |
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Peer reviewedAshton, R. – Child Development, 1971
Descriptors: Behavioral Science Research, Infant Behavior, Infants, Measurement Techniques
