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161.
A flock of starlings wheel overhead, thousands of birds rising, falling, turning as if of one mind. Birds move in flocks; fish in schools; insects in swarms. How do they do it? Can we study them to find quantitative answers or must we simply admire them? Andrea Cavagna and Irene Giardina do both.  相似文献   
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This paper addresses the processes underlying the dramatic shift in beliefs about women's work and family roles in the United States over the past two decades. Following Mason and Lu (1988) , we posited this shift to be a function of actual change in individual opinions, as well as changes in population membership that result from births and deaths. Using pooled cross‐sections from the General Social Surveys (1977 to 1996), we found that although demographic processes and microlevel attitude change are both important in understanding attitude trends, the contribution of cohort succession is substantially greater now than in the period that Mason and Lu examined. Multivariate analyses show that (a) the sex difference in attitudes is greater among recent cohorts, and (b) the strong association between education and attitudes that characterized earlier cohorts is significantly weaker among cohorts born after 1945.  相似文献   
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ABSTRACT

The purpose of this cross-sectional study (n = 92) was the further identification of the unique psychosocial challenges facing those living with lupus. Specifically, the study aim was to clarify which particular lupus symptomatology may result in which emotional states. The authors review relevant literature, discuss findings, and provide evidence-based recommendations for social workers providing services to patients with lupus. Key findings include the following: Frequent flare-ups resulted in the highest need for assistance with feelings of depression, anxiety, and socioeconomic challenges. Hair loss had the most significant impact on depression, anxiety, and socioeconomic coping. Being hospitalized in the past year for lupus also significantly impacted depression, anxiety, and socioeconomic coping. And, finally, the participants reported that having friends to rely on reduced their reported depression and anxiety. Fatigue from lupus was seen as the highest correlate of anxiety.  相似文献   
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This five‐wave longitudinal study examines linkages between adolescents' perceptions of romantic relationship commitment and the development of adolescents' perceptions of commitment to parents and friends. A total of 218 early‐to‐middle adolescents (39.0 percent boys) and 185 middle‐to‐late adolescents (30.8 percent boys) participated. Multivariate growth curves showed that higher base levels of commitment and a stronger positive development of commitment to parents and friends were associated with higher levels of later commitment to romantic partners. The effects were equally strong in early‐to‐middle adolescence and middle‐to‐late adolescence. Also, commitment to parents and commitment to friends were associated equally strong to romantic relationship commitment. No gender differences were found regarding these linkages. Overall, this study shows the importance of parents and friends for boys and girls regarding committed romantic relationships. The results support the idea of one stable and general working model used in different types of relationships.  相似文献   
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A comparison of the basic traits of American character in the 1950s and the 1970s suggests that the narcissism of the 1970s is continuous with the other-direction of the 1950s, except that the narcissist makes a virtue out of what the other-directed person saw as problematic. The narcissist accommodates himself more fully to a social structure that demands great personal flexibility. He thus adopts a fluid identity and personal role definitions. Suggestive evidence of such identity change is found in the self-help literature of 1940 to 1979.  相似文献   
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