This study examined the development of imitation under naturalistic conditions. Participating were 320 parents, who provided diary records of imitation by their 12-, 15-, and 18-month-old infants over a 7-day period. Approximately half of the infants were first-borns and half had older siblings. The findings indicated that infants of all ages…

One of the most sensitive indicators of the general socioeconomic level of a nation is the infant mortality rate. Evidence indicates that economic recessions and upswings have played a significant role in fetal, infant, and maternal mortality in the last 45 years. (RJ)

This investigation also studied the relationship between gestational age and preferences for contour. (CB)

Discussion focuses on the development of experimental techniques which have revealed a competent infant, one who is both sensitive to his external environment and capable of modifying and being modified by that environment. (Author)

First identifies the characteristics of infants and their families which may predict infant illness and failure to use preventive care following delivery, and then uses them to develop a predictive model which may further be tested for usefulness. (JM)

Some infants, soon after birth, are capable of storing visual information as reflected in their ability to detect and respond to change in the immediate environment. (Author)

Results demonstrate that 12 - 15 - week-old male infants smile to nonsocial stimuli, and offers support for the recognition hypothesis of infant smiling. (Authors/MB)

Based on 25 white middle-class infants from 9 to 12 months of age, the earliest manifestation of obedience to appear was a simple disposition to comply with maternal commands and prohibitions, independent of efforts to train or discipline the baby. (Authors/RY)

A total of 87 infants 10 months of age received, either directly or indirectly, a positive nonverbal message, a neutral nonverbal message, or no message about a stranger. Infants, especially those with easy temperaments, were friendlier to the stranger when mothers had spoken positively, but only when the message was directly communicated.…

Data from nearly 30,000 pregnant and third decade (20-29 years) mothers show that small infant size among teenage mothers is consistent with the mother's size and not directly related to early age at conception. Third decade mothers of comparable size give birth to infants with essentially the same characteristics and problems. (Author/GC)

Human and geometric forms were presented to 12-month-old male infants to determine if infants with a large number of minor physical anomalies would show different habituation than infants with a small number. Differences were found in dishabituation and in response decrement. (Author/RH)

Aims of study were (1) test for independence in infant's attachment to parent, (2) test concept of security by viewing infants judged secure versus insecure with mother in situation designed to arouse apprehension, (3) examine effects of infant-parent relationships upon positive responsiveness to new persons, and (4) identify characteristics of…