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111.
Calibration of the estimators of variance 总被引:2,自引:0,他引:2
Sarjinder Singh Stephen Horn Sadeq Chowdhury & Frank Yu 《Australian & New Zealand Journal of Statistics》1999,41(2):199-212
This investigation suggests new techniques to calibrate estimators of variance. Estimators of the variance of simple mean, ratio and regression estimators under different sampling schemes are shown to be special cases of the proposed calibration techniques. The approach has more practical use due to recent advances in programming techniques and computational speed. An empirical study has been carried out to address the properties of these proposed strategies. 相似文献
112.
Leher Singh Alejandrina Cristia Lana B. Karasik Sarah J. Rajendra Lisa M. Oakes 《Infancy》2023,28(4):708-737
Psychological researchers have become increasingly concerned with generalized accounts of human behavior based on narrow participant representation. This concern is particularly germane to infant research as findings from infant studies are often invoked to theorize broadly about the origins of human behavior. In this article, we examined participant diversity and representation in research published on infant development in four journals over the past decade. Sociodemographic data were coded for all articles reporting infant data published in Child Development, Developmental Science, Developmental Psychology, and Infancy between 2011 and 2022. Analyses of 1682 empirical articles, sampling approximately 1 million participants, revealed consistent under-reporting of sociodemographic information. For studies that reported sociodemographic characteristics, there was an unwavering skew toward White infants from North America/Western Europe. To address a lack of diversity in infant studies and its scientific impact, a set of principles and practices are proposed to advance toward a more globally representative science. 相似文献
113.
Gurnam Singh 《Race Ethnicity and Education》2018,21(4):555-563
Against the backdrop of ongoing discussions about how best to conceptualise, confront and ultimately eradicate racism, this paper seeks to critically examine the relevance of ‘post-racial’ thinking, both in a general sense, but also in relation to education. The argument is framed around a concern that multi-cultural, and to a lesser extent, anti-racist approaches have become hostage to the very same essentialising practices around ‘race’ thinking that they seek to challenge. This is best illustrated in the plethora of racial, ethnic, geographic, national and religious categories that are currently deployed my many educational institutions in the furtherance of ‘equality and diversity’ policy objectives. In setting out some of the underpinning ideas and controversies linked with the idea of ‘post-racial’, the paper offers some tentative suggestions as to how a ‘post-racial pedagogy’ could be manifested in pedagogical practices. 相似文献
114.
Doug P. VanderLaan Lori Postema Hayley Wood Devita Singh Sophia Fantus Jessica Hyun 《Journal of sex research》2015,52(2):213-219
This study examined whether children clinically referred for gender dysphoria (GD) show increased symptoms of autism spectrum disorder (ASD). Circumscribed preoccupations or intense interests were considered as overlapping symptoms expressed in GD and ASD. In gender-referred children (n = 534; 82.2% male) and their siblings (n = 419; 57.5% male), we examined Items 9 and 66 on the Child Behavior Checklist, which measure obsessions and compulsions, respectively. Non-GD clinic-referred (n = 1,201; 48.5% male) and nonreferred (n = 1,201; 48.5% male) children were also examined. Gender-referred children were elevated compared to all other groups for Item 9, and compared to siblings and nonreferred children for Item 66. A gender-related theme was significantly more common for gender-referred boys than male siblings on Item 9 only. A gender-related theme was not significantly more common for gender-referred girls compared to their female siblings on either item. The findings for Item 9 support the idea that children with GD show an elevation in obsessional interests. For gender-referred boys in particular, gender-related themes constituted more than half of the examples provided by their mothers. Intense/obsessional interests in children with GD may be one of the factors underlying the purported link between GD and ASD. 相似文献
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