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21.
AbstractElizabeth Parang reviews Reengineering the Library: Issues in Electronic Resources Management. Scott Johnson reviews Academic Library Management: Case Studies. 相似文献
22.
AbstractIn this installment of “Conversations,” Dominic Boyer, Cymene Howe, and Marcel LaFlamme, of the Cultural Anthropology editorial team, discuss the ins and outs of publishing a gold open access journal in the field of anthropology. Highlights of the discussion include Cultural Anthropology’s move to open access, the ethics of open access, the growth of international readership, ongoing publishing challenges in open access, and the role libraries can play with open access publishing. 相似文献
23.
This article describes estimation and inference procedures for the parameters of the Box-Cox and foided-power transformations in repeated measures and growth curve models. Procedures for computing maximum likelihood estimates of the transformation and covariance parameters under several covanance structures (omnibus sphericity, local sphericity, and unstructured) are described. Lack of fit statistics and hypothesis tests for comparing these structures also are described. The procedures are illustrated on three data sets. Software for performing the analyses in the SAS System is described and is available from the authors. 相似文献
24.
Rebecca R. Scott 《Social Identities》2013,19(1):13-31
Attempts to grapple with the complicated tangle of race and memory are more prominent than ever in the public discourse of the United States. In 2006, public intellectual Henry Louis Gates sought to popularize the search for roots and meaning with his project African American Lives, and in 2007 the black and white descendants of the landmark Plessy v. Ferguson case met in New Orleans to discuss the past and present significance of their ancestors’ lives. As the crafting of identities around increasingly fluid notions of ‘race’ proceeds apace, the activities of family historians provide a useful entrée into struggles over race, identity, and collective memory in the United States. The research reported here illustrates how the shared history of the multi-racial descendants of eighteenth and nineteenth century St Domingue/Haiti in Louisiana is encountered in racially distinct ways. Participant observation is used to examine how race is dealt with in the activities of two groups: 1) a mainly European American genealogical society, called the St Domingue Special Interest Group; and 2) the LA Creole cultural and genealogy group, made up primarily of Louisiana creoles of color. Preliminary findings indicate that while the process of engaging in family history research provides an opening for some participants to better understand others across racial and ethnic divides, this kind of cross-racial dialogue was limited by the organization of family history activities into racially distinct social networks. As the popularity of genealogy increases, the findings here point to the need to recognize the public significance of these private histories. 相似文献
25.
Breslow and Holubkov (J Roy Stat Soc B 59:447–461 1997a) developed semiparametric maximum likelihood estimation for two-phase
studies with a case–control first phase under a logistic regression model and noted that, apart for the overall intercept
term, it was the same as the semiparametric estimator for two-phase studies with a prospective first phase developed in Scott
and Wild (Biometrica 84:57–71 1997). In this paper we extend the Breslow–Holubkov result to general binary regression models
and show that it has a very simple relationship with its prospective first-phase counterpart. We also explore why the design
of the first phase only affects the intercept of a logistic model, simplify the calculation of standard errors, establish
the semiparametric efficiency of the Breslow–Holubkov estimator and derive its asymptotic distribution in the general case. 相似文献
26.
27.
Large firms face a conflict in managing a portfolio of high-risk projects. When an ongoing project is thought to have a low likelihood of success, project team members take risks to improve its chances of success. However, upper-level managers who allocate resources tend to withhold resources from a project with a low likelihood of success in favor of others in the portfolio that look more promising. Because this paucity of resources influences project team members to avoid risk, the total effect of success likelihood on risk taking is conflicted. The influence on risk taking of a project's terminal value—defined as the value that remains in the firm in the event of project failure—is unequivocally positive, because both senior management resource allocation and project team risk-taking propensity are encouraged by terminal value. Thus, firms can override the ambivalent effect of likelihood of success on project decision making by focusing attention on a project's terminal value. 相似文献
28.
Data from the Panel Study of Income Dynamics and three decennial US censuses are used to examine the influence of metropolitan-area characteristics on black and white households’ propensity to move into poor versus nonpoor neighborhoods. We find that a nontrivial portion of the variance in the odds of moving to a poor rather to a nonpoor neighborhood exists between metropolitan areas. Net of established individual-level predictors of inter-neighborhood migration, black and white households are more likely to move to a poor or extremely poor tract rather than to a nonpoor tract in metropolitan areas containing many poor neighborhoods and a paucity of recently-built housing in nonpoor areas. Blacks are especially likely to move to a poor tract in metropolitan areas characterized by high levels of racial residential segregation and in which poor tracts have a sizeable concentration of blacks. White households are more likely to move to a poor than to a nonpoor tract in metropolitan areas that have comparatively few African Americans. 相似文献
29.
本文是曼弗雷德·鲍姆(Manfred Baum)教授2008年10月3日在武汉大学哲学学院所作讲演的译稿.文中对康德<道德形而上学>一书划分成"法权论"和"德行论"的来由、理论根据和基础进行了分析,认为康德摧毁了传统的自然法学说,而把法权和德行全都建立在人的自由之上,视为人的义务的内外两方面.同样作为定言命令,康德的法权原则是分析命题,德行原则是综合命题,前者对人的目的不作要求,后者则要求人把人格和人性当作目的.但法权毕竟要以道德为前提和评价标准,而道德本身的评价标准则是从外部合法性向内部行动"转移"而来的,这是一个矛盾. 相似文献
30.
Utilizing the stress process and life course perspectives, we investigated the influence of non-spousal social support on the associations between marital quality, physical disability, and loneliness among married older adults. Using data from the National Social Life, Health, and Aging Project (NSHAP), we found that the association between physical disability and loneliness was partially accounted for by the fact that physical disability was associated with less supportive nonmarital relationships. While physically-disabled older adults in higher-quality marriages were buffered from loneliness, supportive non-martial relationships did not offset elevated loneliness among those in low-quality marriages. These associations were largely similar for men and women. Thus, although both marital and nonmarital relationships are important for loneliness, when confronted with a stressor such as disablement it is the marital relationship alone that matters. 相似文献