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排序方式: 共有626条查询结果,搜索用时 31 毫秒
51.
Population Research and Policy Review - The recently finalized changes to the disclosure avoidance policies of the US Census Bureau for the 2020 census, grounded in differential privacy, have faced...  相似文献   
52.
Population Research and Policy Review - Poverty scholarship in the United States is increasingly reliant upon the Supplemental Poverty Measure (SPM) as opposed to the Official Poverty Measure of...  相似文献   
53.
The rush to judgment about the social effects of the new communications media has branded them as positive and negative in equal measure. Alienation from "real world" relationships coupled with a lack of social regulation within the medium is balanced by liberation from the influences, inequalities, and identities to which people are subjected in face-to-face interaction. We argue that such general conclusions may in fact be turned upside down and propose that these media may actually strengthen social bonds but also reinforce power inequalities. Reviewing evidence of our research with university students, employing the social identity model of deindividuation effects, we show how these technologies can often be more "social," and socially regulated, than face-to-face interaction.  相似文献   
54.
Although there has been a tremendous amount of discussion in the popular press about how the Internet is changing all facets of social life, research on the impact of the Internet is only beginning to emerge. A review of the studies reported in this issue suggests that the Internet may have had less impact on many aspects of social life than is frequently supposed. In many cases, the Internet seems to have created a new way of doing old things, rather than being a technology that changes the manner in which people live their lives. As a consequence, the policy implications of increasing Internet use may be less than is often believed.  相似文献   
55.
Different methods of measuring inter-racial contacts produce large differences in the level of the same. Experiments conducted on the 1998 General Social Survey indicate that estimates of how many people have inter-racial friends are much higher when a direct question is asked, intermediate when a three-step procedure is used, and the least when a name-generator, network approach is used. Cognitive and social desirability reasons for these effects are discussed.  相似文献   
56.
Tom Cox 《Work and stress》2013,27(3):203-206
Abstract

When compared to day workers, night-shift workers report that they eat fewer meals, have poorer appetites, are less satisfied with their eating habits, and eat at different times of the day. When demographic variables are held constant, there do not appear to be any significant differences between experienced day and night-shift workers in caffeine or alcohol consumption. Exceptions to and variations in these findings are probably due to the background influences of social and cultural variables. Eating and drinking behaviours do effect human performance and mood, but little relevant data have been gathered from experienced night-shift workers. There are no shiftworker data evaluating the effectiveness of the special diets or dietary recommendations that have been proposed for use by night-shift workers. Thus, attempts to manipulate night-shift worker eating and drinking habits require experimental test.  相似文献   
57.
58.
This paper draws on the testimonies of British disabled lesbians and gay men about their experience of coming out as gay, and coming out as disabled. They reflect on the different aspects of their identity, and the interrelation of their sexuality and their disability. The respondents share their experiences of exclusion and marginality in both the disability and gay communities, and discuss where they feel most at home as disabled lesbians and gays.  相似文献   
59.
By means of an example it is shown how eigenvalues and eigenvectors of variance components models can be obtained straightforwardly when balanced data are available. Simple asymptotically efficient estimators of the variance components are presented.  相似文献   
60.
One ultimate test of the material value of identification in an organizational context is whether it relates to productivity. In this rare study of a business team in a global consumer goods company, we demonstrate a sales benefit of organizational identification when correcting for systematic between‐unit differences in sales. Findings also question the theoretical and practical meaning of ‘proximity’ in accounting for salience variations in identification – the best predictor of sales was the degree of identification with the superordinate business unit. Findings shed light on the scientific as well as managerial and business utility of the organizational identity concept.  相似文献   
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