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51.
Alba M. Franco-Pereira Rosa E. LilloJuan Romo 《Journal of statistical planning and inference》2011,141(11):3554-3563
Motivated by practical issues, a new stochastic order for random variables is introduced by comparing all their percentile residual life functions until a certain instant. Some interpretations of these stochastic orders are given, and various properties of them are derived. The relationships to other stochastic orders are studied and also an application in reliability theory is described. Finally, we present some characterization results of the decreasing percentile residual life up to time t0 aging notion. 相似文献
52.
Luca Andrighetto Cristina Baldissarri Alessandro Gabbiadini Alessandra Sacino Roberta Rosa Valtorta Chiara Volpato 《Social Influence》2018,13(2):78-90
The present work explores whether self-objectification triggered by doing peculiar work activities would increase people’s conforming behavior. We conducted an experimental study in which participants (N = 140) were asked to perform a high objectifying activity (vs. low objectifying activity vs. baseline condition) simulating a real computer job. Afterwards, their levels of self-objectification and conforming behavior were assessed. Results revealed that participants who performed the high objectifying activity self-objectified (i.e., perceived themselves as lacking human mental states) more than the other conditions and, in turn, conformed more to the judgments of unknown similar others. Crucially, increased self-objectification mediated the effects of the high objectifying activity on enhancing conforming behavior. Theoretical and applied implications of these findings are discussed. 相似文献
53.
Angela Costabile Pasquale Musso Nicol Maria Iannello Rocco Servidio Maria Giuseppina Bartolo Anna Lisa Palermiti Rosa Scardigno 《Journal of research on adolescence》2021,31(1):25-33
The identification of factors that counter youth’s radicalization while promoting democratic activism is a timely social issue. This paper examines the association of psychological well‐being (PWB) with violent radicalism and nonviolent activism, by focusing on the mediating role of both social disconnectedness (SD) and the perceived illegitimacy of the authorities (PIoA). Two mediation structural equation models (full vs. partial) were applied to data collected from 328 Italian adolescents (14–19 years). The results showed how SD and PIoA fully mediated the link of PWB with radicalism (negatively) and activism (positively). This model was further supported when compared with an alternative one proposing PWB as a mediator between SD and PIoA. The findings are discussed in light of the existing literature and provide potential implications for practice. 相似文献
54.
Based on the proprietary costs theory, this paper aims to survey whether the regulatory regime (mandatory versus voluntary) of research and development (R&D) narrative disclosures impacts, by the means of a reduced information asymmetry, on the cost of equity capital. In order to construct a disclosure index to investigate the extent and the comprehensiveness of R&D information, the methodology adopted was the content analysis of 77 biopharmaceutical and chemical listed companies’ management reports from eight Western European countries across the period 2005–2009. Hence, we obtained an (unbalanced) panel data of 309 observations. The cost of capital has subsequently been regressed on the disclosure index. Results confirm a larger amount of R&D disclosures whereas information is more regulated, but they do not confirm an inverse relation with the cost of capital. 相似文献
55.
To explore how people experience grief and what factors are perceived as facilitating successful grief work, a survey was distributed to people who had completed a grief recovery course. The results showed that emotions, cognitions, physical expressions, and behaviors all characterize grief, but that emotions are the most central component. The course brought relief and was regarded most favorably by those having at least 1 year between the grief trigger event and participation in the course. Writing a letter in which course participants express their feelings to the loss object was perceived as the most successful aspect of the course. The letter might help with grief recovery by bringing aspects that have not been dealt with into conscious awareness. 相似文献
56.
George W. Hinman Eugene A. Rosa Randall R. Kleinhesselink Thomas C. Lowinger 《Risk analysis》1993,13(4):449-455
As part of a study of nuclear power development in Japan and the United States, surveys of perceptions of risk toward 30 activities, substances, and technologies have been carried out in the Pacific Northwest and Tokyo, Japan. The results show that people in both countries have the highest level of dread toward nuclear waste disposal, nuclear accidents, and nuclear war, greater even than their dread of crime and AIDS. In addition to comparisons of dread, the paper also discusses similarities and differences between Japanese and American responses for other dimensions of risk perception. 相似文献
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Recently Kasperson et al.(6) have proposed a conceptual framework, “The Social Amplification of Risk,” as a beginning step in developing a comprehensive theory of public experience of risk. A central goal of their effort is to systematically link technical assessments of risk with the growing findings from social scientific research. A key and growing domain of public risk experience is “desired” risk, but this is virtually neglected in the framework. This paper evaluates the scope of the “Social Amplification of Risk Framework,” asking whether it is applicable to desired risks, such as risk recreation (hang gliding, mountain climbing, and so forth). The analysis is supportive of the framework's applicability to the domain of desired risk. 相似文献
60.
Linear mixed effects models are frequently used to analyse longitudinal data, due to their flexibility in modelling the covariance structure between and within observations. Further, it is easy to deal with unbalanced data, either with respect to the number of observations per subject or per time period, and with varying time intervals between observations. In most applications of mixed models to biological sciences, a normal distribution is assumed both for the random effects and for the residuals. This, however, makes inferences vulnerable to the presence of outliers. Here, linear mixed models employing thick-tailed distributions for robust inferences in longitudinal data analysis are described. Specific distributions discussed include the Student-t, the slash and the contaminated normal. A Bayesian framework is adopted, and the Gibbs sampler and the Metropolis-Hastings algorithms are used to carry out the posterior analyses. An example with data on orthodontic distance growth in children is discussed to illustrate the methodology. Analyses based on either the Student-t distribution or on the usual Gaussian assumption are contrasted. The thick-tailed distributions provide an appealing robust alternative to the Gaussian process for modelling distributions of the random effects and of residuals in linear mixed models, and the MCMC implementation allows the computations to be performed in a flexible manner. 相似文献