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211.
Based on previous empirical findings, “challenge stressors” (Cavanaugh, Boswell, Roehling, & Bouderau, 2000; Lepine, Podsakoff, & Lepine, 2005), such as the amount and scope of responsibility, can be loosely considered as “good stressors” that are consistently and positively related to job satisfaction and performance. We introduce the role of appraisal to further examine how challenge stressors are connected to performance. Structural equation modelling analyses using an applied sample of 284 employee–supervisor dyads showed that affective commitment to the organization mediated the relationship between both opportunity and threat appraisal and performance (in-role and extra-role). The mediating role of increased psychosomatic distress was supported only for the relationship between threat appraisal and in-role performance. The findings indicate the importance of taking into account the actual appraisal of “challenge stressors”, as it carries implications for performance, and reveals the key role of affective commitment and induced distress mechanisms in this relationship. In conclusion, “challenge stressors” are not always positively related to performance, but only when they are perceived as opportunities. 相似文献
212.
A Complexity Approach to Psychological Well-Being in Adolescence: Major Strengths and Methodological Issues 总被引:3,自引:0,他引:3
Psychological well-being in adolescence is an increasing field of study. Deepening in its knowledge during this period of
life can be of a lot of help to the designing of more adjusted prevention programs aimed to avoid or reduce the problems adolescents
might be experiencing. Complexity theories can be a productive alternative to the important limitations explanations about
psychological well-being in adolescence have nowadays. Answers to a questionnaire have been obtained from a sample of 968
Catalan adolescents from 12 to 16 years old including 29 psychological well-being indicators measuring 8 dimensions related
to satisfaction with specific life domains, self-esteem, perceived social support, perception of control and values.A structural
equation modelling approach to complexity that focuses on the non-linearity property has been followed. Given the large number
of dimensions, the model has been estimated in two steps. First, a confirmatory factor analysis model has been fitted to the
29 indicators and appropriate factor scores have been saved. Then all possible products and squared terms of the factor scores
have been computed and have been used as predictors of the dependent variable using an ordered logit model.The results show
that a non-linear model including interaction effects among the 8 dimensions, age and gender, has a higher explanatory power
to predict satisfaction with life as a whole, compared to a linear model estimated from those same indicators.This work must
be understood as a first step, basically a methodological one, to the future elaboration of new models of psychological well-being
in adolescence to be based on the principles defended by complexity theories. 相似文献
213.
The Well-Being of 12 - to 16-Year-Old Adolescents and their Parents: Results from 1999 to 2003 Spanish Samples 总被引:2,自引:0,他引:2
Ferran Casas Cristina Figuer Mònica González Sara Malo Carles Alsinet Sandra Subarroca 《Social indicators research》2007,83(1):87-115
This study adopts satisfaction with life as a whole and satisfaction with specific life domains as indicators to analyse the
relationships between the well-being of 12 to 16-year-old adolescents and some related constructs such as self-esteem, perceived
control and perceived social support. Well-being indicators from a 2003 Spanish sample using an 11-point scale (N = 1,634) are compared with an equivalent 1999 Spanish sample using a 5-point scale (N = 1,618). The different results obtained from the 2003 sample with a Principal Component Analysis (PCA) using a shorter and
a longer list of life domains are also discussed. A sub-sample of the adolescents’ results from the 2003 sample are compared
with their parents’ answers, using the same well-being indicators. Using a list of 8 life domains, and despite the change
of scale used, overall results show no relevant changes in adolescents’ satisfaction with life domains between 1999 and 2003
in Spain and are in agreement with normative data expected from western societies [Cummins: 1998, Social Indicators Research
43, pp. 307–334; Cummins et al.: 2001, Australian Unity Well-being Index (Australian Centre on Quality of Life, Deakin University,
Melbourne)]. Adolescents’ overall life satisfaction has been shown to correlate consistently with the other well-being related
constructs. However, it clearly decreases with age over the period studied. The results also show that increasing the list
of life domains has a major impact on the structure of the results obtained. When we compare results from parents with those
from their own child, outstanding differences in well-being appear between generations: few domain satisfaction dimensions
show significant correlation between parents and children and more than 20% of the population studied shows high discrepancies
in the answers in four domains. 相似文献
214.
Germà?CoendersEmail author Ferran?Casas Cristina?Figuer Mònica?González 《Social indicators research》2005,73(2):141-177
In this paper, a model is set forth relating (a) overall life satisfaction of children to children’s values and (b) children’s values to parents’ values. Using confirmatory factor analysis models three dimensions of values (materialistic values, capacities and knowledge values and interpersonal relationship values) consistently emerged in 5 countries (Brazil, South Africa, Norway, Spain and India) for both parents and children. There was a considerable amount of missing data, mainly because the parent’s questionnaire was often not returned. Full information maximum likelihood estimators with missing data were thus used.Multiple-group analyses were next performed to assess factor invariance of the three value dimensions across the five countries for both parents and children. This implies testing the equality of factor loadings and intercepts across groups. This equality is required to ensure that factors have the same interpretation in all groups, which is necessary when comparing any aspect of the factor distribution across groups.The only two countries for which the interpretation of value dimensions was invariant for both parents and children were Brazil and Spain. The results of other countries could thus not be compared. Multiple-group structural equation models revealed that both parents and children scored higher on most values in Brazil than in Spain. In both countries, each child value dimension was only significantly predicted by the same value dimension of the parents. R-squares were in the 4–12% range and slightly higher in Brazil. The only value dimension that had some effect on overall life satisfaction was capacities and knowledge, which was so in both countries.Acknowledgements are due to the country project directors and their associates Per Egil Mjaavatn (Norwegian University of Science and Technology, Trondheim, Norway), Usha Nayar (Tata Institute of Social Sciences, India), Irene Rizzini (Pontifícia Universidade Católica do Rio de Janeiro, Brazil), Rose September (Western Cape University, South Africa) and Ferran Casas (Catalan Network of Child Researchers – XCIII – in co-operation with the University of Girona, Spain) for permitting us to use part of their project and to Childwatch International, Oslo, for sponsorship. 相似文献
215.
As US universities attempt to accommodate a growing multicultural society, the task of racially diversifying entering cohorts and retaining a racially diverse student demographic has taken on a leading role in recruitment, college admissions, and campus programming. But, we ask, what definitions of racial diversity are fueling these changes and how have existing racial diversity regimes impacted racial/ethnic hierarchies? We analyze two widespread applications of racial diversity—racial diversity as benefit for all and racial diversity as status marker—to illustrate how racial diversity regimes can be manipulated in ways that undermine the contributions of racially/ethnically minoritized groups and reinforce a racial order that privileges Whiteness—particularly when framed around interest convergence. We conclude by discussing the importance of articulating more concrete racial diversity objectives, addressing structural contributors to racial inequity, and measuring diversity outcomes. 相似文献
216.
A Y-linked two-sex branching process with blind choice is a suitable model for analyzing the evolution of the number of carriers of two alleles of a Y-linked gene in a two-sex monogamous population where each female chooses her partner from among the male population without caring about his type (i.e., the allele he carries). This work focuses on the development of Bayesian inference for this model, considering a parametric framework with the reproduction laws belonging to the power series family of distributions. A sample is considered given by the observation of the total number of females and males (regardless of their types) up to some generation as well as the number of each type of male in the last generation. Using a simulation method based on the Gibbs sampler, we approximate the posterior distributions of the main parameters of this model. The accuracy of the procedure based on this sample is illustrated by way of a simulated example. 相似文献
217.
A “Swedish” actuarial balance for a notional defined contribution pension scheme with disability and minimum pension benefits 下载免费PDF全文
Juan M. Pérez‐Salamero González Manuel Ventura‐Marco Carlos Vidal‐Meliá 《International social security review》2017,70(3):79-104
This article proposes a “Swedish” type actuarial balance sheet (ABS) for a notional defined contribution (NDC) scheme with disability and minimum pension benefits. The proposed ABS splits the pension system in two parts: the pure NDC part and the redistributive part, which includes the assets and liabilities originating from non‐contributory rights. The article contains a numerical example that sheds light on the real applicability of our proposal. The model has practical implications that could be of interest to policy‐makers, given that it integrates actuarial and social aspects of public pensions and discloses the real cost of redistribution through minimum pensions. 相似文献
218.
María Elena González 《The American statistician》2013,67(4):200-211
The formulas and data used for 13 federal programs that allocate funds to state and local areas are described. Suggestions for types of formulas and data appropriate for allocation of funds are made. Some recommendations in the Report on Statistics for Allocation of Funds published by the Office of Federal Statistical Policy and Standards are discussed. The possible effects of the formulas and data used in the allocation of funds for federal programs are examined in the light of the recommendations given in the report. 相似文献
219.
220.
Elizabeth Korevaar Simon L. Turner Andrew B. Forbes Amalia Karahalios Monica Taljaard Joanne E. McKenzie 《Research Synthesis Methods》2023,14(6):882-902
Interrupted time series (ITS) are often meta-analysed to inform public health and policy decisions but examination of the statistical methods for ITS analysis and meta-analysis in this context is limited. We simulated meta-analyses of ITS studies with continuous outcome data, analysed the studies using segmented linear regression with two estimation methods [ordinary least squares (OLS) and restricted maximum likelihood (REML)], and meta-analysed the immediate level- and slope-change effect estimates using fixed-effect and (multiple) random-effects meta-analysis methods. Simulation design parameters included varying series length; magnitude of lag-1 autocorrelation; magnitude of level- and slope-changes; number of included studies; and, effect size heterogeneity. All meta-analysis methods yielded unbiased estimates of the interruption effects. All random effects meta-analysis methods yielded coverage close to the nominal level, irrespective of the ITS analysis method used and other design parameters. However, heterogeneity was frequently overestimated in scenarios where the ITS study standard errors were underestimated, which occurred for short series or when the ITS analysis method did not appropriately account for autocorrelation. The performance of meta-analysis methods depends on the design and analysis of the included ITS studies. Although all random effects methods performed well in terms of coverage, irrespective of the ITS analysis method, we recommend the use of effect estimates calculated from ITS methods that adjust for autocorrelation when possible. Doing so will likely to lead to more accurate estimates of the heterogeneity variance. 相似文献