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Gender segregation in childhood.
The chapter suggests that gender segregation results from a combination of several forces, including the dominance relations between the sexes, age-specific avoidance of romantic or sexually toned relationships, and gender labeling, which is of paramount importance and may account for both the dominance relationships and sexual avoidance. Expand
Female and male: issues of gender.
  • C. N. Jacklin
  • Psychology, Medicine
  • The American psychologist
  • 1 February 1989
Three areas of research where gender is or has been a primary focus of research are discussed: measurement of intellectual abilities, biology and behavior, and socialization processes. Expand
Sex differences in aggression: a rejoinder and reprise.
Recent evidence on the differential socialization of boys and girls supports the earlier view: that boys do not receive more reinforcement for aggression than girls, and that rates of punishment are also similar once the differential base rates in aggression are taken into account. Expand
Concentrations of sex hormones in umbilical-cord blood: their relation to sex and birth order of infants.
The higher concentrations of progesterone in firstborns of both sexes, and of testosterone in first born boys, were found not to be due to length of labor, birth weight, or maternal age, but were a function of temporal spacing of childbirths. Expand
Social Behavior at Thirty-Three Months in Same-Sex and Mixed-Sex Dyads.
JACKLIN, CAROL NAGY, and MACCOBY, ELEANOR E. Social Behavior at Thirty-three Months in Same-Sex and Mixed-Sex Dyads. CHILD DEVELOPMENT, 1978, 49, 557-569. Previously unacquainted pairs ofExpand
Neonatal sex-steroid hormones and cognitive abilities at six years.
Multiple regression analyses revealed a significant proportion of the variance in cognitive abilities in girls could be accounted for by testosterone and androstenedione, and the finding of a stable inverse association between sex and effect of hormones on abilities is discussed. Expand