Descriptor
| Behavior Development | 2 |
| Infant Behavior | 2 |
| Developmental Stages | 1 |
| Infants | 1 |
| Longitudinal Studies | 1 |
| Physical Development | 1 |
| Psychomotor Skills | 1 |
| Research Methodology | 1 |
Source
| Journal of Genetic Psychology | 2 |
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Peer reviewedWilder, C. N.; Baken, R. J. – Journal of Genetic Psychology, 1978
Reports a semilongitudinal study which measured the respiratory activity during crying of 10 normal infants aged two days to eight months. (BD/BR)
Descriptors: Behavior Development, Developmental Stages, Infant Behavior, Longitudinal Studies
Peer reviewedRoberts, Mark; And Others – Journal of Genetic Psychology, 1978
Reports on a strategy of continuous measurement of the frequency of the same infant behavior over time, which was applied to measuring infant development in the prone position, namely, chin lifting, chest lifting, and a creeping response. (BD/BR)
Descriptors: Behavior Development, Infant Behavior, Infants, Physical Development
