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91.
Harry O. Posten Section Editor 《The American statistician》2013,67(2):112-114
Estimation of covariance components in the multivariate random-effect model with nested covariance structure is discussed. There are two covariance matrices to be estimated, namely, the between-group and the within-group covariance matrices. These two covariance matrices are most often estimated by forming a multivariate analysis of variance and equating mean square matrices to their expectations. Such a procedure involves taking the difference between the between-group mean square and the within-group mean square matrices, and often produces an estimated between-group covariance matrix that is not nonnegative definite. We present estimators of the two covariance matrices that are always proper covariance matrices. The estimators are the restricted maximum likelihood estimators if the random effects are normally distributed. The estimation procedure is extended to more complicated models, including the twofold nested and the mixed-effect models. A numerical example is presented to illustrate the use of the estimation procedure. 相似文献
92.
Harry O. Posten Section Editor 《The American statistician》2013,67(4):258-259
This article examines the probabilities of outcomes from rolling dice with the dimension 1 × 1 × r for various values of r. Experiments were conducted by school students and university students. The results of the experiments are given and the probabilities examined using a generalized linear model. Notes are also made about the value of the experiment in teaching the groups of students. 相似文献
93.
Kenneth Berk Section Editor 《The American statistician》2013,67(2):146-148
This section is similar in organization to a Book Review section in other journals; however, software of interest to statisticians is the subject of review here. Emphasis is on software for microcomputers. Programs that operate only in larger mainframe computers will seldom receive review. Normally, producers of programs make a copy of their product available to the Section Editor, who then selects one or more persons to test the product and prepare a review. Producers of computer software who wish to have their product reviewed are invited to contact the Section Editor, Professor Kenneth Berk, Department of Mathematics, 313 Stevenson Hall, Illinois State University, Normal, IL 61761. Findings and opinions expressed in every review are solely those of the author. They should not be construed as reflecting endorsement of the product, or opinions held, by the American Statistical Association, nor is any warranty implied about any product reviewed. STAN, Version II.0. David M. Allen. Available from Statistical Consultants, Inc., 462 E. High Street, Lexington, KY 40508. $300. Reviewed by Peter A. Lachenbruch 相似文献
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J. Scott Crapo Jacqueline A. Miller Mitchell R. Rhodes Kay Bradford Brian J. Higginbotham 《Marriage & Family Review》2020,56(7):657-676
AbstractGrounded in symbolic interaction theory, we used latent class analysis (LCA) to investigate the preexisting patterns of belief surrounding the disclosure process in married relationships. With a sample of 131 heterosexual married dyads from the U.S., we found four classes: two classes represented similarity of spouses’ beliefs (Both High Beliefs and Neither High Beliefs), and two classes represented dissimilarity of spouses’ beliefs (where only the wife endorsed high beliefs, Wife High Beliefs, and where only the husband did, Husband High Beliefs). Husbands’ satisfaction was positively associated with membership in the Both High Beliefs class. An interaction between spouses’ satisfaction was found: the impact of wives’ satisfaction on class membership is dependent on husbands’ satisfaction. Implications for research and practice are discussed. 相似文献
96.
Helen McLachlan Della Forster Michelle Newton Pamela McCalman Sue Kildea Fiona McLardie-Hore Gina Bundle Jennifer Browne Marika Jackomos Jacqueline Watkins Simone Andy Jeremy Oats Catherine Chamberlain Jane Freemantle Sue Jacobs Ngaree Blow Karyn Ferguson Susan Donath Helena Maher 《Women and birth : journal of the Australian College of Midwives》2018
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Research indicates belonging to a gay, lesbian, and bisexual (GLB) support group is indirectly associated with fewer depressive symptoms, via higher levels of sense of belonging to the general community. The current study extended this research by testing a path model to determine whether school, teacher, and peer connectedness are influenced by sense of belonging to a community GLB youth group. A sample of 82 Australian GLB adolescents aged 14 to 18 years who currently attend high school completed the Center for Epidemiologic Studies Depression Scale, the Psychological Subscale of the Sense of Belonging Instrument, and the Social Questionnaire for Secondary Students. Results indicated very good model fit. Higher levels of belonging to a community GLB youth group were associated with higher levels of school, teacher, and peer connectedness, but only peer connectedness was directly associated with depressive symptoms. Higher levels of school and teacher connectedness were associated with higher levels of peer connectedness. Interventions aimed at increasing belonging to a community GLB youth group may have indirect benefits for the mental health of GLB adolescents, via higher levels of school, teacher, and peer connectedness. 相似文献
99.
This article is about the strategic use of adat arguments in the politics of large-scale land acquisition. While customary (adat) communities are commonly depicted as small local minorities living in the forests and being guardians of the environment, in many situations such communities occupy a majority position within the district. Majority adat communities are internally differentiated into categories of actors with varying and conflicting interests. This article focuses on Sumba in eastern Indonesia, where state and adat powers are not opposed but historically aligned. We analyse how five common ways of framing adat in Sumba are currently being deployed in land-acquisition politics, in situations supporting plantation land acquisition or protesting against farmers’ land dispossession. We draw attention to what we call ‘strategic adat framing’ as a political activity. The article calls for analysing the historical and social context of local deployments of adat for understanding the impact of current government pro-adat policies. 相似文献
100.