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The prevalence of regular smoking increases rapidly during adolescence. We applied modeling methods from the study of epidemic infectious disease to smoking behavior. Our "epidemic" models dealt with the process of transition among four states: nonsmoker (susceptible), trier (exposed), regular smoker (infected), and ex-smoker (recovered). The best fitting model was one in which the transition from nonsmoker to trier was a social contagion process where nonsmokers contacted either triers or regular smokers. All other transitions were treated as constant rate processes in which a constant proportion of eligible individuals made the transition in a given year. The recursive equation model embodying these assumptions was able to predict accurately the proportion of adolescents in each state in Grades 6–11. Our results support a "stage" model of smoking, suggesting that different psychological and physiological processes are involved in the initiation of smoking than in developing a habit of regular smoking. A possible sex difference was found in the non-contact transition between trier and smoker states, with the transition being more probable in females than in males.  相似文献   
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Gender differences in children's play activities, preferred school subjects, and occupational goals were examined in relation to such parental variables as toy-giving and chore assignment. Subjects were 245 children in grades K, 3, 6, and 8. Subjects completed questionnaires before and after Christmas asking what gifts they wanted, asked for, received, and liked best. They also were asked to name their friends and play activities, favorite and least-liked school subjects, occupational aspirations, and chores at home. Children generally wanted, asked for, received, and most-liked gender-typical toys. They were less likely to receive requested gender-atypical toys. Children's preferred activities, job aspirations and assigned chores were along gender-typical lines. Girls preferred masculine toys and jobs more than boys preferred feminine ones. With increasing age, both girls and boys increasingly preferred masculine toys and male friends. No gender differences in favorite or least-liked school subjects were found. School subject preference was related to gender-typing of occupational choice for girls but not boys.An earlier version of this paper was presented at the annual meeting of the American Psychological Association, Anaheim, California, 1983.  相似文献   
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Researchers examined the importance of similar ethnicity and the preference for a counselor of the same sex among American Indian secondary school students.  相似文献   
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Eighty-four female and 84 male college students evaluated a briefly described female stimulus person on 20 seven-point bipolar scales which described personality traits and professional competencies. Each subject rated 1 of 12 women who were described as either never married, divorced, widowed, or married and as either employed full-time, employed part-time, or unemployed. As hypothesized, the personal traits and professional competencies of employed women were evaluated more favorably than those of unemployed women, and the personality traits of married women were perceived more positively than those of unmarried women. Contrary to predictions, unmarried and married women were perceived as equally competent.Portions of this paper were presented at the meeting of the American Psychological Association, Washington, D.C., August 1982.  相似文献   
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Claire M. Renzetti 《Sex roles》1987,16(5-6):265-277
The attitudes of female subjects toward gender roles, gender inequality, and the women's movement were measured using a 24-item attitudinal inventory. Subjects tended to hold nontraditional but only moderately feminist attitudes toward gender roles. They were, however, highly aware of gender inequality and supportive of the women's movement, although they were also reluctant to identify themselves as feminists. T tests revealed that subjects most supportive of feminism were advanced students (juniors and seniors) and students who had personally experienced discrimination. But when personal experience of sex discrimination was controlled for, the strength of the relationships between class level and gender role attitudes, and between class level and support for the women's movement, diminished. Students who had personally experienced sex discrimination are less traditional and more feminist in their gender role attitudes, and show stronger support for the women's movement, regardless of their class level, than students who have not had such experiences. These findings are interpreted and their implications for the future of the women's movement are discussed.  相似文献   
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This study focuses on Divorce-Prone individuals and the question of why some persons fail in one marriage after another. The authors studied 12 individuals who had each been divorced two or more times. They found that the cases fell into one of three broad and overlapping groups. The groups have been called the Self-Involved Narcissists, the Compliant Depressed, and the Casualties of Life's Vicissitudes. The individuals and the groups demonstrate a different etiology, different treatment problems, and a very different prognosis.  相似文献   
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The effects of a graduated prompting treatment procedure were analyzed in three phases of an experiment on the training and generalization of reaching-grasp responding in 2- to 4-year-old blind, severely or profoundly retarded children. In Phase 1, we used a multiple-baseline across-subjects design to investigate the effectiveness of the treatment on midline reach-grasp responding. In Phase 2, we used a reversal design to investigate the effects of repeated implementations and withdrawals of the treatment. In both phases, generalization to right and left positions was measured. In Phase 3, in a multiple-baseline across-responses design, the treatment was implemented in right and left positions. Also in Phase 3, shift of stimulus control from toy-sound to verbal instructions was measured. The results showed that (a) the graduated prompting procedure was effective in training reach-grasp responding in all three children; (b) for one child, the effects were durable over repeated applications of the treatment procedure, but were not maintained during withdrawals; (c) for another child, the treatment procedure was effective in teaching reach-grasp responding in all three positions; and (d) for the same child, training of reach-grasp responding generalized to toys presented without sound, given only the verbal instruction.  相似文献   
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Children in grades 2–10 (200 of each sex) assigned desirable and undesirable traits to girls or boys. Half the subjects had an additional option of both sexes. Children in all grades assigned more desirable traits to their own sex and more undesirable traits to the opposite sex, in line with Smith (1939). Both sexes became less positive toward their own sex and more positive toward the opposite sex with increasing age. This pattern also had characterized girls in Smith's study, whereas, boys had shown the opposite pattern. Beginning in the sixth grade, girls were more apt than boys to assign desirable traits to their own sex. Availability of the “both sexes” option decreased stereotyping, especially in girls.  相似文献   
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