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排序方式: 共有110条查询结果,搜索用时 125 毫秒
21.
Ger J. Keijsers Wilmar B. Schaufeli Pascale M. Le Blanc Carmen Zwerts Dinis Reis Miranda 《Work and stress》2013,27(4):513-527
Abstract The relationship between three different performance measures and burnout was explored in 20 Dutch Intensive Care Units (ICUs). Burnout (i.e. emotional exhaustion and depersonalization) proved to be significantly related to nurses' perceptions of performance as well as to objectively assessed unit performance. Subjective performance measures relate negatively to burnout levels of nurses, whereas an objective performance measure relates positively to burnout. Furthermore, subjectively assessed personal performance (i.e. personal accomplishment) is more strongly related to burnout than subjectively assessed unit performance. A model test of the relationship between both types of subjective performance and burnout reveals that nurses' perception of unit performance is indirectly related to burnout through perception of personal performance. This model holds similarly for objectively well- and poor-performing ICUs. 相似文献
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Valdiney V. Gouveia Taciano L. Milfont Patrícia Nunes da Fonseca Jorge Artur Peçanha de Miranda Coelho 《Social indicators research》2009,90(2):267-277
The aim of this paper was to validate the Brazilian-Portuguese version of the Satisfaction With Life Scale (SWLS), presenting
evidence of its reliability and construct and criterion-related validity. A large Brazilian sample (2,180 participants), from
five different populations (undergraduate and high school students, general population, elementary school teachers, and physicians),
was considered. The results confirmed the single factorial structure and reliability (0.77 < Cronbach’s α < 0.88, mean α = 0.81)
of the SWLS. Supporting its criterion-related validity, the SWLS correlated positively with positive affect and negatively
with both negative affect and psychological distress across all five samples. The findings indicate that the Brazilian-Portuguese
version of the SWLS is a valid instrument to use with diverse Brazilian samples. 相似文献
25.
We prove weak and strong laws of large numbers for coherent lower previsions, where the lower prevision of a random variable is given a behavioural interpretation as a subject's supremum acceptable price for buying it. Our laws are a consequence of the rationality criterion of coherence, and they can be proven under assumptions that are surprisingly weak when compared to the standard formulation of the laws in more classical approaches to probability theory. 相似文献
26.
Brazil is currently recognized as the 10th largest producer of castings, and the city of Cláudio, MG is known worldwide as the "Greatest foundry and metallurgical pole in Latin America", with more than 80 companies. However, this large number of enterprises and increasing investments in product development has demanded an increase in manpower and working hours of workers in the sector, proportionally increasing the incidence of occupational related health problems like RSI (repetitive strain injury), WMSDs (work-related musculoskeletal disorders) and industrial accidents. This article aims to characterize the industry from previously conducted case studies to relate the main causes of occupational diseases and outline possible interventions through design, showing how this tool can contribute to improve the working environment, workplace, tools and equipment through ergonomics adjustments. 相似文献
27.
José Luis Molina Hugo Valenzuela-García Miranda J. Lubbers Paula Escribano Marta M. Lobato 《Voluntas: International Journal of Voluntary and Nonprofit Organizations》2018,29(4):725-739
In order to contribute to the debate about social entrepreneurship, we take an empirical perspective and describe the phenomenon in Catalonia, Spain, during the financial crises of the early twenty-first century. For this aim, we conducted 43 in-depth interviews with social entrepreneurs, launched a web-based survey with 90 responses, and built a database with 347 organizations and/or ventures settled in Catalonia with an explicit social/environmental goal. The data show that many social/environmental initiatives emerged during the economic crisis, either as a self-employment alternative to unemployment, or as a commercial venture started by nonprofit organizations as a reaction to the reduction in public expense in this sector. In addition, the crisis fueled the emergence of ventures oriented to non-market exchange and social currencies. As a whole, we argue that this new reality can be conceptualized as the emergence of an unsettled Strategic Action Field where banks, business schools and public administrations alike promote the label of “social entrepreneurship” through awards and startup services, whereas other groups claiming the same social/environmental goals contest this market-oriented definition of the field. 相似文献
28.
Gina Miranda Samuels 《Journal of marriage and the family》2009,71(1):80-94
There are increasing numbers of multiracial families created through marriage, adoption, birth, and a growing population of multiracial persons. Multiracials are a hidden but dominant group of transracially adopted children in both the United Kingdom and the United States. This paper introduces findings from an interpretive study of 25 transracially adopted multiracials regarding a set of experiences participants called “being raised by White people.” Three aspects of this experience are explored: (1) the centrality yet absence of racial resemblance, (2) navigating discordant parent‐child racial experiences, and (3) managing societal perceptions of transracial adoption. Whereas research suggests some parents believe race is less salient for multiracial children than for Black children, this study finds participants experienced highly racialized worlds into adulthood. 相似文献
29.
Ethnic residential concentration is often found to hamper immigrants’ majority language proficiency. However, there are still several gaps in our understanding of the relationship between ethnic concentration and ethnic minorities’ language practices. This study examines the extent to which ethnic concentration also constrains immigrants’ majority language use, whether contact with natives and co-ethnics mediates these relationships, and whether ethnic concentration relates to second-generation minorities’ minority language proficiency. Structural equation models on data for people of Turkish and Moroccan origin living in the Netherlands (N = 2163) showed that ethnic concentration is indirectly related to weaker majority language proficiency and less majority language use through contact with natives and co-ethnics. For second-generation minorities, ethnic concentration is related to better minority language proficiency. 相似文献
30.
This study investigated the influence of emotion on toddlers' prosocial behavior in instrumental helping tasks with an unfamiliar adult. The goals were to examine whether early prosocial behavior was affected by (1) the adult's expressions of sadness (in contrast to a neutral expression) as a cue of need and (2) toddlers' emotion understanding. Thirty‐five 18‐ to 20‐month‐olds participated in eight trials in which an experimenter either indicated need for assistance (experimental condition) or did not (control). In addition, the experimenter expressed either sadness or neutral affect in each trial. Toddlers' emotion understanding was assessed using maternal reports of children's emotion words. The experimenter's emotional expression alone was not associated with prosocial behavior, but toddlers helped more in experimental than control conditions. However, toddlers with larger emotion word vocabularies were marginally more prosocial when the experimenter expressed sadness, and girls provided more assistance than boys in experimental conditions. These findings highlight the complex influences of emotion on early prosocial motivation. 相似文献