Russel L. Tracy

Learn More
This study is concerned with four main themes that have been combined to describe U.S. fertility trends since 1920. These themes are identified as a time adjustment mechanism, income, the wife's labor force activities, and some intergenerational factor. "In order to obtain an unambiguous picture each theme will be represented by only one variable. After(More)
Four categories of affectionate behavior were identified in the 23 mothers of Ainsworth's longitudinal sample whose infants were observed in the strange situation at age 12 months. Mothers of babies classified as showing pattern A (anxiously attached and avoidant) in terms of their strange situation behavior were found to emphasize kissing proportionally(More)
The chief purpose of this study was to identify characteristics that distinguish approach as an attachment behavior from approach serving other behavioral systems. Locomotor approaches of 16 male and 10 female white middle-class infants to an attachment figure (the mother) and to a nonattachment figure (the visitor-observer) were examined under naturalistic(More)
Effects of maternal interference on social behavior toward mother and exploratory play were examined in a laboratory experimental paradigm. Subjects were 40 1-year-olds and their mothers. Mothers of the 20 interference-group infants were instructed periodically to physically interfere with their child's independent object play during the first half of the(More)
  • 1