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851.
852.
We studied the association between alexithymia (20-item Toronto Alexithymia Scale, TAS-20) and obesity, and also assessed the construct validity of the TAS-20 in terms of personality dimensions in obese patients. The TAS-20 and its subscales were analysed for their correlations with the NEO Personality Inventory - Revised (NEO PI-R) in an obese sample of 259 patients. Obesity was associated with higher scores on the TAS-20 than a Swedish reference sample. Obese men furthermore scored higher on Externally Oriented Thinking than the obese women. TAS-20 scores correlated with elevated Neuroticism and lower levels of Extraversion and Openness, in agreement with most previous research, but also somewhat unexpectedly with lower Conscientiousness and for women also with lower Agreeableness. The TAS-20 subscales showed divergent associations with personality variables, largely in accordance with previous findings. The associations were more prominent for the women, and some gender-specific patterns not previously reported were also revealed. 相似文献
853.
Dowrick PW 《American journal of community psychology》2007,39(1-2):13-19
A major vehicle for the practice of community psychology is through the organization of community-based activities. My colleagues
and I have developed many programs for community learning centers, in-school and after school programs, and community technology
centers. In the last 10 years, 30,000 people (mostly children) have participated in activities designed for enjoyment and
learning, with a view to adding protective factors and reducing negative factors in at-risk communities. Development of these
programs for literacy, education, life and work skills, has increasingly followed a community responsive model. Within each program, we created explicit images of future success. That is, people could see themselves being successful
where they normally fail: self modeling with feedforward. Data reports show that individuals generalized and maintained their new skills and attitudes, but the sustainability of
programs has been variable. Analysis of the variations indicates the importance of program level feedforward that brings the
future into the present. The discussion includes consideration of how individual-level and community-level practices can inform
each other.
Author Note: Aspects of this article have been presented at the 10th Trans-Tasman Community Psychology Conference, Sydney, April 2006,
and in an invited address at the 114th annual convention of the American Psychological Association, New Orleans, August 2006.
Partial support in the preparation of this paper was provided by mutliple grants from the US Department of Education, although
no endorsement is implied. 相似文献
854.
We examine whether two general dimensions of sociopolitical belief—right-wing authoritarianism (RWA) and social dominance orientation (SDO)—are rooted in insecure psychological attachment. Based on an undergraduate sample ( N = 255), we model the relations among attachment styles, general worldviews, RWA, and SDO. A structural equation model indicated that anxious attachment led to RWA but not SDO and that this effect was mediated by the belief that the world is a dangerous place. In contrast, avoidant attachment led to SDO but not RWA, and this effect was mediated by the belief that the world is an uncaring, competitive jungle in which people are motivated to maximize personal utility. We discuss the implications of these findings for the nature and origins of political conservatism. 相似文献
855.
Composite links and exploded likelihoods are powerful yet simple tools for specifying a wide range of latent variable models.
Applications considered include survival or duration models, models for rankings, small area estimation with census information,
models for ordinal responses, item response models with guessing, randomized response models, unfolding models, latent class
models with random effects, multilevel latent class models, models with log-normal latent variables, and zero-inflated Poisson
models with random effects. Some of the ideas are illustrated by estimating an unfolding model for attitudes to female work
participation.
We wish to thank The Research Council of Norway for a grant supporting our collaboration. 相似文献
856.
Takahiro Hoshino 《Psychometrika》2007,72(4):535-549
Due to the difficulty in achieving a random assignment, a quasi-experimental or observational study design is frequently used
in the behavioral and social sciences. If a nonrandom assignment depends on the covariates, multiple group structural equation
modeling, that includes the regression function of the dependent variables on the covariates that determine the assignment,
can provide reasonable estimates under the condition of correct specification of the regression function. However, it is usually
difficult to specify the correct regression function because the dimensions of the dependent variables and covariates are
typically large. Therefore, the propensity score adjustment methods have been proposed, since they do not require the specification
of the regression function and have been applied to several applied studies. However, these methods produce biased estimates
if the assignment mechanism is incorrectly specified. In order to make a more robust inference, it would be more useful to
develop an estimation method that integrates the regression approach with the propensity score methodology. In this study
we propose a doubly robust-type estimation method for marginal multiple group structural equation modeling. This method provides a consistent estimator
if either the regression function or the assignment mechanism is correctly specified. A simulation study indicates that the
proposed estimation method is more robust than the existing methods.
This research was partially supported by the Ministry of Education, Science, Sports and Culture, Grant-in-Aid for Young Scientists
(B), 187-30406. 相似文献
857.
When there exist omitted effects, measurement error, and/or simultaneity in multilevel models, explanatory variables may be
correlated with random components, and standard estimation methods do not provide consistent estimates of model parameters.
This paper introduces estimators that are consistent under such conditions. By employing generalized method of moments (GMM)
estimation techniques in multilevel modeling, the authors present a series of estimators along a robust to efficient continuum.
This continuum depends on the assumptions that the analyst makes regarding the extent of the correlated effects. It is shown
that the GMM approach provides an overarching framework that encompasses well-known estimators such as fixed and random effects
estimators and also provides more options. These GMM estimators can be expressed as instrumental variable (IV) estimators
which enhances their interpretability. Moreover, by exploiting the hierarchical structure of the data, the current technique
does not require additional variables unlike traditional IV methods. Further, statistical tests are developed to compare the
different estimators. A simulation study examines the finite sample properties of the estimators and tests and confirms the
theoretical order of the estimators with respect to their robustness and efficiency. It further shows that not only are regression
coefficients biased, but variance components may be severely underestimated in the presence of correlated effects. Empirical
standard errors are employed as they are less sensitive to correlated effects when compared to model-based standard errors.
An example using student achievement data shows that GMM estimators can be effectively used in a search for the most efficient
among unbiased estimators.
This research was supported by the National Academy of Education/Spencer Foundation and the National Science Foundation, grant
number SES-0436274. We thank the editor, associate editor, and referees for detailed feedback that helped improve the paper. 相似文献
858.
John T. Mitchell Nathan A. Kimbrel Natalie E. Hundt Amanda R. Cobb Rosemery O. Nelson-Gray Christopher M. Lootens 《欧洲人格杂志》2007,21(7):869-887
Reinforcement Sensitivity Theory (RST) and the Five-Factor Model (FFM) are two prominent personality accounts that have emerged from different backgrounds. Although the two accounts are applied to similar research topics, there is limited empirical work examining the correspondence between them. The current study explored the relationship between RST-based personality traits and the FFM domains and facets in an undergraduate sample (n = 668). Regression analyses indicated that Sensitivity to Punishment (SP) was positively associated with Neuroticism and Agreeableness, and negatively associated with Extraversion, Openness, and Conscientiousness. In contrast, Sensitivity to Reward (SR) was positively associated with Extraversion and Neuroticism, and negatively associated with Agreeableness and Conscientiousness. Exploratory analyses at the facet level specified the relationship between SP, SR, and each domain. A factor analysis was also conducted to explore the higher-order factor structure of RST and the FFM domains. Three factors emerged, which we labelled SP, Stability-Impulsivity, and Sensation Seeking. Taken together, these findings suggest that there is substantial overlap between these two accounts of personality. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
859.
随着医学的进步,在新的医疗形势下,肝移植是对器官移植科医师的巨大挑战,在实际临床工作中,应首先树立正确的器官移植医患关系观,不断提高自己的人文修养和职业素养,进一步完善与肝移植相关的新的知识结构,运用正确的哲学理念和逻辑方式来处理与肝移植相关的临床问题。使肝移植患者得到满意的治疗效果。 相似文献
860.
变性术后患者心理状况的影响因素分析及对策 总被引:1,自引:0,他引:1
变性术后的患者是个特殊的弱势群体,心理问题非常突出,它是生理、个人、家庭、社会等多种因素交互影响的结果;因此,通过社会、家庭及个体的共同努力,帮助其建立良好的个体心理模式,稳定其心理状态,可促进其心理的健康发展,这对于变性手术的成功和帮助变性后患者重新走向社会有重要意义。 相似文献