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411.
We argue that social psychological theories of social class should move toward a more dynamic view that considers class change experiences to supplement more static perspectives focused on backgrounds or current positions. Indeed, social class is a unique demographic form of hierarchy because of its dynamism: social class is relatively malleable compared to race and gender; it can change multiple times in one's lifespan; and unlike age, it is something individuals can strive to change and that they often believe is possible to change. We review work from a variety of fields, including sociology, psychology, and organizational behavior, that begins to tackle the question of social class change experiences. Drawing on theories of social class transitions, acculturation, and identity change, we present an organizing framework suggesting three objective, structural features of social class change that should inform individuals' experience of changing class: What direction am I going (resource expectations)? How did I get here (predictability)? Where should I be (social comparisons)? We review emerging work as well as gaps in existing theory and suggest avenues for future research.  相似文献   
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The purpose of this study was to document whether adolescents make inferences regarding male and female vignette characters in terms of the characters' sexuality, social skills, impairment, and aggressiveness when the characters consume alcohol. A Web-based survey of 1,691 middle and high school students (grades 6–11) from diverse socioeconomic and ethnic backgrounds was conducted. The Dating Vignette and Subjective Perception Form ( George, Gournic, & McAfee, 1988 ) were modified for use with an adolescent sample and embedded within the Web-based survey. There were significant interaction effects between the male and female characters' alcohol consumption in terms of the respondents' perception of the female character for all of the subscales examined (i.e., sexual disinhibition, social skills, impairment, and aggressiveness). In contrast, there were no significant interactions between the characters' drinking and the respondents' perception of the male character. Collectively, these findings suggest that adolescents' perceptions of girls are based not only on the girls' own drinking behaviors, but also their male partners' drinking behaviors.  相似文献   
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J. Sergent (1982, Perception & Psychophysics, 31, 451-461; 1983, Psychological Bulletin, 93, 481-512) postulates that the left cerebral hemisphere preferentially extracts higher spatial frequency information, while the right hemisphere preferentially extracts lower frequency spatial information, from the visual scene. According to this view, shorter exposure times favor better right than left hemisphere performance, while longer exposure times favor better left than right hemisphere performance on tachistoscopic laterality tasks. We studied the effects of a threefold variation (40 msec versus 120 msec) in exposure duration, with constant 3-mL luminance, on face recognition and on object naming latency task performances. These are the same stimulus parameters employed by J. Sergent (1983, Psychological Bulletin, 93, 481-512) to demonstrate exposure duration effects in a task requiring the judgment of the sex of models from face photographs. We found the expected LVF superiority on the face recognition task and RVF superiority on the object naming task. There was, however, no influence of exposure duration on the performances. It is concluded that these tasks, which tap established lateralized processing asymmetries, are quite robust in their resistance to exposure time influence.  相似文献   
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Service-learning partnerships between universities and surrounding communities striving to create systems-level change must consider an emphasis in critical community service; a community centered paradigm where students are taught to work with communities to better understand contexts surrounding a social problem, as opposed to merely volunteering to provide a service to a community. The Adolescent Diversion Project (ADP), which has been operating for over 30 years, demonstrates critical community service through the type of relationship built between students and the local community. This article describes: a qualitative study with ADP students, the historical context of ADP, what and how students learned through their involvement in ADP, and reframes the work of this project as a form of service-learning pedagogy. Inductive content analysis was employed to identify underlying themes across participants related to their personal experiences of ADP and its impact in their lives. Findings were compared with service-learning outcomes and other quantitative studies conducted with past ADP cohorts from the literature. Consistent with past studies, ADP students become more negative toward social systems involved with their youth. This finding may explain an increase in feelings of political commitment following involvement in ADP. Consistent with service-learning outcomes, results demonstrate that ADP should be further documented as not only an effective community-based program but also as an exemplar in the pedagogy of service-learning. This study highlights why service-learning opportunities for students are not just one way to teach students, they are opportunities to bridge relationships within communities, bring life to theoretical concepts, and build the foundations necessary for educated citizens that will one day take lead roles in our society.  相似文献   
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Fundamental learning abilities related to the implicit encoding of sequential structure have been postulated to underlie language acquisition and processing. However, there is very little direct evidence to date supporting such a link between implicit statistical learning and language. In three experiments using novel methods of assessing implicit learning and language abilities, we show that sensitivity to sequential structure – as measured by improvements to immediate memory span for structurally-consistent input sequences – is significantly correlated with the ability to use knowledge of word predictability to aid speech perception under degraded listening conditions. Importantly, the association remained even after controlling for participant performance on other cognitive tasks, including short-term and working memory, intelligence, attention and inhibition, and vocabulary knowledge. Thus, the evidence suggests that implicit learning abilities are essential for acquiring long-term knowledge of the sequential structure of language – i.e., knowledge of word predictability – and that individual differences on such abilities impact speech perception in everyday situations. These findings provide a new theoretical rationale linking basic learning phenomena to specific aspects of spoken language processing in adults, and may furthermore indicate new fruitful directions for investigating both typical and atypical language development.  相似文献   
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