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Drawing upon a year of ethnographic research with the Los Angeles public school system, this article follows the translation and negotiation of several key technology grants and their policies. It argues that as a global trend, myths of technological neutrality and transparency merely cloud the panoply of negotiations taking place in public organizations, subsequently removing those decisions from public participation or scrutiny. Technology policy thereby becomes a stealth agent of global change, which, ironically in this case, reinforces Fordist rigidities in technological realms that are typically viewed as supporting post‐Fordist flexibilities. Only by engaging with technology policy in all its complexity, the article concludes, can public institutions hope to achieve democratic participation and outcomes.  相似文献   
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A primary assumption underlying several of the common methods for modeling item response data is unidimensionality, that is, test items tap into only one latent trait. This assumption can be assessed several ways, using nonlinear factor analysis and DETECT, a method based on the item conditional covariances. When multidimensionality is identified, a question of interest concerns the degree to which individual items are related to the latent traits. In cases where an item response is primarily associated with one of these traits it is said that (approximate) simple structure exists, whereas when the item response is related to both traits, the structure is complex. This study investigated the performance of three indices designed to assess the underlying structure present in item response data, two of which are based on factor analysis and one on DETECT. Results of the Monte Carlo simulations show that none of the indices works uniformly well in identifying the structure underlying item responses, although the DETECT r-ratio might be promising in differentiating between approximate simple and complex structures under certain circumstances.  相似文献   
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African American women are vulnerable for sexual health risk; thus, condom use is essential. Guided by research linking goals to communicative content, this study explored women’s use of I-, you-, we-, and hedging language during condom negotiation. Female participants (N = 193) engaged in a condom negotiation role play with male confederates, where language use measures were coded. I-language was used the most frequently. Language use differed as a function of men’s tactics, such that women primarily used I-language in response to verbal attacks, you-language in response to seduction, and I- and we-language in response to information seeking. Women who engaged in more recent condom use were more likely to use you-language and, when confederates attacked, they responded with more you-language and less hedging.  相似文献   
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Both the psychological and criminological fields have long hypothesized the mechanisms that influence desistance from violent offending, but few studies have focused on violent females. This study identifies patterns of violent behavior across 7 years among 172 females and 172 matched males ages 15–24, testing if heterogeneity in violent offending is linked to (a) developmental change in impulse control and (b) attainment of adult milestones. Fewer females persist in violence (25%) than males (46%); 19% of males increase in violent behavior. Females who develop impulse control and are employed are more likely to desist from violence. Violent offending is unrelated to other adult milestones. Developmental increases in impulse control may trigger desistance, while employment may maintain desistance from violence.  相似文献   
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The impact of part-time employment on adolescent functioning remains unclear because most studies fail to adequately control for differential selection into the workplace. The present study reanalyzes data from L. Steinberg, S. Fegley, and S. M. Dornbusch (1993) using multiple imputation, which minimizes bias in effect size estimation, and 2 types of propensity score matching, to account for selection effects. In this sample (N = 1,792; Grades 10-11, M = 16.26), youth who begin working more than 20 hr per week evince declines in school engagement and increases in substance use and delinquency compared with youth who remain unemployed. Conversely, working 20 hr or less a week has negligible effects, positive or negative, on academic, psychological, or behavioral outcomes.  相似文献   
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This article explores technological systems that dissimulate by design. Examples include untrustworthy hotel and workplace thermostats, digital applications to spy on workers and family members, and commercial and law-enforcement systems that surreptitiously collect mobile phone data. Rather than view such cases as exceptional, I argue that deceptive communication systems are hidden articulations of normal technological orders. If deception in itself is not the primary problem with such systems, then transparency alone cannot be the solution. As troubling as institutional opacity might be, an analysis of deceptive systems reveals more fundamental problems: imbalances in power and widespread acquiescence to corporate and state efforts to control individuals, groups, and their data. By moving beyond a quest for (or belief in) technological veracity, scholars could redirect attention to power inequalities and the pressing question of how to live together ethically.  相似文献   
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Abstract The audience‐centered mission of childrens' museums has caused these institutions to look at their role in their respective communities and to take bold steps in envisioning new ways of relating to their constituents. Here is a selection of four childrens' museums which have founded inspiring and imaginative programs centered on children's welfare.  相似文献   
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