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11.
12.
The “diseased” activist's body as the site of trauma: Anti-racist struggles and the postrace academy
Yasmin Ibrahim 《Gender, Work and Organization》2022,29(1):28-43
This paper is an autoethnographic account of the “racialized activist body” in the White academy and in tandem the bio-politics and bio-ethics of its right to be an affective body or to possess its senses against the trauma of anti-racist struggles in higher education institutions. The paper argues that in the postrace university, the “activist body” birthed through trauma becomes a conduit for the pain of others enacting it as a site for the deposition and transmutation of trauma in the quest for racial and social justice. It employs Bracha Ettinger’s notion of “matrixial borderspace” to examine the interplay of social relations between of the activist body and other traumatized subjects in the provision of care as an activist. Two narratives unfold in the paper fusing the articulations of the main text with the paratext to unleash the tumultuous psyche of the activist and her journey of voicing resistance in her anti-racist struggles. In the process, the activist body emerges as a “diseased site,” overloaded with the trauma of others, yet numbed in its inability to reconnect with its own corporeality and professional identity in its interface with White governmentality. The paper asserts that anti-racist struggles reassemble the activist body, tightly welding it with exhaustion which manifests in the pervasiveness of racial battle fatigue in the ivory tower. 相似文献
13.
Bukari Chei Aning-Agyei Millicent Abigail Kyeremeh Christian Essilfie Gloria Amuquandoh Kofi Fosu Owusu Anthony Akwesi Otoo Isaac Christopher Bukari Kpanja Ibrahim 《Social indicators research》2022,159(3):991-1015
Social Indicators Research - Following the outbreak of COVID-19 and its heavy toll on the global community and humanity, a fierce debate on the pandemic and Sustainable Development Goals (SDGs)... 相似文献
14.
In this paper, reversed preservation properties of right spread order, total time on test order and increasing convex (concave)
order when taking random minima and maxima are developed. In this context, reversed preservation properties of some ageing
concepts are investigated under parallel (series) systems which are composed of a random number of i.i.d. components. Some applications in reliability and economics are given. 相似文献
15.
S. R. Lipsitz J. Ibrahim & G. Molenberghs 《Journal of the Royal Statistical Society. Series C, Applied statistics》2000,49(3):287-296
We analyse longitudinal data on CD4 cell counts from patients who participated in clinical trials that compared two therapeutic treatments: zidovudine and didanosine. The investigators were interested in modelling the CD4 cell count as a function of treatment, age at base-line and disease stage at base-line. Serious concerns can be raised about the normality assumption of CD4 cell counts that is implicit in many methods and therefore an analysis may have to start with a transformation. Instead of assuming that we know the transformation (e.g. logarithmic) that makes the outcome normal and linearly related to the covariates, we estimate the transformation, by using maximum likelihood, within the Box–Cox family. There has been considerable work on the Box–Cox transformation for univariate regression models. Here, we discuss the Box–Cox transformation for longitudinal regression models when the outcome can be missing over time, and we also implement a maximization method for the likelihood, assumming that the missing data are missing at random. 相似文献
16.
The authors propose methods for Bayesian inference for generalized linear models with missing covariate data. They specify a parametric distribution for the covariates that is written as a sequence of one‐dimensional conditional distributions. They propose an informative class of joint prior distributions for the regression coefficients and the parameters arising from the covariate distributions. They examine the properties of the proposed prior and resulting posterior distributions. They also present a Bayesian criterion for comparing various models, and a calibration is derived for it. A detailed simulation is conducted and two real data sets are examined to demonstrate the methodology. 相似文献
17.
Amy H. Herring Joseph G. Ibrahim Stuart R. Lipsitz 《Journal of the Royal Statistical Society. Series C, Applied statistics》2004,53(2):293-310
Summary. Non-ignorable missing data, a serious problem in both clinical trials and observational studies, can lead to biased inferences. Quality-of-life measures have become increasingly popular in clinical trials. However, these measures are often incompletely observed, and investigators may suspect that missing quality-of-life data are likely to be non-ignorable. Although several recent references have addressed missing covariates in survival analysis, they all required the assumption that missingness is at random or that all covariates are discrete. We present a method for estimating the parameters in the Cox proportional hazards model when missing covariates may be non-ignorable and continuous or discrete. Our method is useful in reducing the bias and improving efficiency in the presence of missing data. The methodology clearly specifies assumptions about the missing data mechanism and, through sensitivity analysis, helps investigators to understand the potential effect of missing data on study results. 相似文献
18.
Incomplete covariate data is a common occurrence in many studies in which the outcome is survival time. With generalized linear models, when the missing covariates are categorical, a useful technique for obtaining parameter estimates is the EM by the method of weights proposed in Ibrahim (1990). In this article, we extend the EM by the method of weights to survival outcomes whose distributions may not fall in the class of generalized linear models. This method requires the estimation of the parameters of the distribution of the covariates. We present a clinical trials example with five covariates, four of which have some missing values. 相似文献
19.
Ibrahim Sirkeci 《International migration (Geneva, Switzerland)》2005,43(4):197-214
LA GUERRE EN IRAK : CONTEXTE D'INSÉCURITÉ ET MIGRATION INTERNATIONALE
Cet article porte sur les éventuels rapports entre conflit et migration internationale, tout particulièrement dans le contexte de la plus récente guerre en Irak. Les tendances de la migration internationale irakienne sont analysées afin d'établir une éventuelle influence de la guerre sur la migration. Les situations de conflit sont répandues en Irak depuis plus de deux décennies, les racines de ces conflits remontant à 1979, année où Saddam Hussein est devenu le président de ce pays. Pendant le dernier quart de siècle, l'histoire irakienne a été marquée par des guerres et des crises d'aprèsguerre qui ont déclenché des tensions entre ethnies. D'après nous, ce sont ces tensions ethniques qui ont contribuéà la migration internationale à partir de l'Irak. C'est l'instabilité générale associée aux conflits qui engendre souvent des tensions plus vives entre différents groupes ethniques, à savoir les Kurdes, les Turkmènes, les chiites et les sunnites. Les situations de conflit ethnique peuvent mener à un contexte général d'insécurité, lequel sera une « occasion >> pour les personnes qui ont déjà des « projets >> individuels de migration. Les pays d'Europe occidentale seront particulièrement concernés par ces mouvement migratoires potentiels. Pendant les périodes de conflit, les Irakiens ont établi des réseaux de migration et formé en Occident des communautés d'immigrants assez vastes. Ces réseaux serviront également de facteurs facilitants pour la migration ethnique potentielle de certains Irakiens. 相似文献
Cet article porte sur les éventuels rapports entre conflit et migration internationale, tout particulièrement dans le contexte de la plus récente guerre en Irak. Les tendances de la migration internationale irakienne sont analysées afin d'établir une éventuelle influence de la guerre sur la migration. Les situations de conflit sont répandues en Irak depuis plus de deux décennies, les racines de ces conflits remontant à 1979, année où Saddam Hussein est devenu le président de ce pays. Pendant le dernier quart de siècle, l'histoire irakienne a été marquée par des guerres et des crises d'aprèsguerre qui ont déclenché des tensions entre ethnies. D'après nous, ce sont ces tensions ethniques qui ont contribuéà la migration internationale à partir de l'Irak. C'est l'instabilité générale associée aux conflits qui engendre souvent des tensions plus vives entre différents groupes ethniques, à savoir les Kurdes, les Turkmènes, les chiites et les sunnites. Les situations de conflit ethnique peuvent mener à un contexte général d'insécurité, lequel sera une « occasion >> pour les personnes qui ont déjà des « projets >> individuels de migration. Les pays d'Europe occidentale seront particulièrement concernés par ces mouvement migratoires potentiels. Pendant les périodes de conflit, les Irakiens ont établi des réseaux de migration et formé en Occident des communautés d'immigrants assez vastes. Ces réseaux serviront également de facteurs facilitants pour la migration ethnique potentielle de certains Irakiens. 相似文献
20.
Lawrence L. Kupper Joseph M. Janis Ibrahim A. Salama Carl N. Yoshizawa Bernard G. Greenberg H. H. Winsborough 《统计学通讯:理论与方法》2013,42(23):201-217
This paper discusses the specific problems of age-period-cohort (A-P-C) analysis within the general framework of interaction assessment for two-way cross-classified data with one observation per cell. The A-P-C multiple classification model containing the effects of age groups (rows), periods of observation (columns), and birth cohorts (diagonals of the two-way table) is characterized as one of a special class of models involving interaction terms assumed to have very specific forms. The so-called A-P-C identification problem, which results from the use of a particular interaction structure for detecting cohort effects, is shown to manifest itself in the form of an exact linear dependency among the columns of the design matrix. The precise relationship holding among these columns is derived, as is an explicit formula for the bias in the parameter estimates resulting from an incorrect specification of an assumed restriction on the parameters required to solve the normal equations. Current methods for modeling A-P-C data are critically reviewed, an illustrative numerical example is presented, and one potentially promising analysis strategy is discussed. However, gien the large number of possible sources for error in A-P-C analyses, it is strongly recommended that the results of such analyses be interpreted with a great deal of caution. 相似文献