This study examined the relationship between smile type (basic, Duchenne, duplay) and play type (object, physical, vocal, book reading) during parent-infant videotaped interactions at home. Loglinear analyses revealed that different types of smiles occurred during different types of play more often than expected if distributed equally. Different…

Examined extent to which parent sensitivity, infant affect, and affect regulation at 4 months predicted mother- and father-infant attachment classifications at 1 year. Found that affect regulation and maternal sensitivity discriminated infant-mother attachment groups. The association between maternal sensitivity and infant-mother attachment was…

Examined influence of child's sex on mothers' expectations about their 11-month-olds' motor development. Found that mothers of girls underestimated their performance on the novel task of crawling down steep and shallow slopes and mothers of boys overestimated their performance. Girls and boys exhibited identical levels of motor performance during…

Infant imitation is considered a significant component of social, cognitive, and language development. Observation of 20 infants and their mothers in 2 naturalistic settings at 4 separate ages revealed dyads' imitation and matching in vocal, verbal and action behaviors. Verbal matching increased over the second year, suggesting relation of dyads'…

Examined relationship of maternal sensitivity and infant temperament to attachment security among Korean 1-year-olds. Found that securely attached infants showed more secure-base behaviors and compliance, enjoyed physical contact, and showed fewer fussy/difficult behaviors than did other infants. Infant gender, but not security status, related to…

Background and method: The aim of this study was to examine whether a mother's sensitivity towards her one-year-old infant is related to the infant's propensity to engage in "triadic" relations--that is, to orientate to an adult's engagement with objects and events in the world, for example in sharing experiences with an adult. In order to…

This study assessed the quality of caregiver-infant feeding interaction with 3- and 9-month-old infants. Findings on several measures indicated that caregivers appear to be more vigilant to their infants' needs at three months than at nine months, although infants became clearer in their cues by nine months. Maternal personality was not related to…

A total of 48 mother-infant pairs were observed and rated in face-to-face interaction when the infant was 4 months old, and in the Ainsworth Strange Situation when the infant was 12 months old. Mothers' marital satisfaction and social support, and the involvement and support of the child's father, were assessed. The mothers constituted a low…

This study examined infants' reactions to new people by manipulating the social context in which infants became acquainted with new people. Infants (N=48) met someone new in the presence of another unfamiliar adult and their mothers. The new acquaintance either: (1) chatted and worked on a puzzle with the mother; (2) remained silent and worked on…

This study examined sequential dependencies in behavior of 10 mother-infant dyads recorded when the infants were at 7 and 20 weeks of age in an effort to determine the extent to which individuals behave responsively to their partners during interactions. Ten maternal actions and 10 infant actions were selected in face-to-face interactions. Actions…

Results of a series of studies suggested that excessive early vocal stimulation may be detrimental to infants' cognitive processing, and that optimal development may be associated with a moderate amount of early stimulation. Study 1 involved 59 3-month-old infants and their mothers. Study 2 observed 23 mothers and infants seen 3 months after the…

Parent ability to diagnose the cause of non-contingent crying in an infant was investigated through use of a new methodological instrument. Problems programmed on a microcomputer presented 25 information units leading to only one correct causal hypothesis about infant crying and 25 information units similarly structured about an adult woman's…

In his article "The 'Effects' of Infant Day Care Reconsidered," Jay Belsky (see PS 017 108) concludes that maternal employment puts infants at risk for developing emotional insecurity and social maladjustment. After a review of Belsky's and other research, a different conclusion is offered in this paper. It is agreed that infants whose…

Observations in an infant day care program in which mothers take part indicated "jealousy" in infants as young as 5 months when they saw their mother or even the assigned caregiver paying attention to another infant. A total of 18 first-born females between 11 and 13 months of age were the subjects in a systematic study of this…

Attempts to integrate the ethological interpretation of the Bell and Ainsworth findings on the promptness of mother reaction to infant crying, with operant laboratory infant research. Suggests an alternative operant interpretation based on the concept of counter conditioning. (Author/ED)