The costs of today’s jobs: Job characteristics and organizational supports as antecedents of negative spillover

This study examined job characteristics and organizational supports as antecedents of negative work-to-nonwork spillover for 1178 U.S. employees. Based on hierarchical regression analyses of 2002 National Study of the Changing Workforce data and O∗NET data, job demands (requirements to work at home beyond scheduled hours, job complexity, time and strain) had positive relationships, and job resources (autonomy and skill development) and organizational supports (flexible work arrangements and two work-life culture facets) had negative relationships to negative spillover, but not all relationships held when multiple predictors were examined. Organizational supports did not moderate relationships of job characteristics to negative spillover, and relative weights analysis indicated that job characteristics accounted for the majority of explained variance in negative spillover. The findings underscore the importance of job characteristics, and suggest that job characteristics and organizational supports both need to be considered when developing work-life policies intended to reduce employees’ negative work-to-nonwork spillover.     

转基因技术安全性的生态伦理浅析

以转基因技术为基础的生物技术是本世纪最具影响力的高新技术产业带。转基因技术在农业、食品、医药、环保等方面有广泛应用,它给人类社会的发展带来巨大的经济效益和社会效益的同时,也存在着潜在危险,即有可能影响生态环境,危害人类健康。本文试图从生态伦理的角度来思考转基因技术的安全性问题。     

Worry about terror among young adults living in ongoing security uncertainty

The aim of the current study was to investigate worry about terror as a mediating variable, with the exogenous variables being media viewing, differentiation of self, and trait anxiety, and the endogenous variables being somatic symptoms and perceptions of security‐related stress. Participants were divided into two groups by age/academic level: 248 high school students and 191 university students. A pathway correlation model was used to investigate worry about terror as a mediating variable. The central finding was that worry about terror was a significant mediating variable in the relationship between the extent of media viewing following terror events and the level of perception of security‐related stress. That is, young people who said they worried a lot reported a high level of stress relating to the terror events they saw covered in the media. In addition, trait anxiety was found to have an effect on stress perception only via the level of worry about terror. This means that high levels of stress are not experienced by all highly trait‐anxious people, but only by those who suffer from higher levels of worry about terror.     

Attachment Security,Personality, and Adjustment of Elementary School Children

Children's development is assumed to be closely related to their attachment security and their personality. The authors’ aim was to examine the joint contribution of attachment security and personality traits to children's adjustment by examining diverse children's outcomes (emotional symptoms, social functioning, and behavioral problems) and using various perspectives (children, parents, and teachers). The sample comprised 247 8–12-year-old children from low socioeconomic status neighborhoods. Personality and attachment contribute to the different domains of adjustment. In cases of moderation, attachment security moderates the implications of personality traits on children's adjustment. The findings highlight the contribution of positive personality tendencies in playing down the difficulties of insecurely attached children.     

Interview anxiety across the sexes: Support for the sex-linked anxiety coping theory

The sex-linked anxiety coping theory states that females’ anxiety levels may be less detrimental to their selection test performance because they have more available coping resources and engage in more constructive coping strategies prior to and during selection tests. This research project sought to investigate whether gender moderates the link between interview anxiety and interview performance. Co-op students (N = 125) participated in a mock interview as part of a course requirement. The results indicated that gender moderated the relation between self-rated interview anxiety and interview performance. Males were no more anxious than were females, but experienced significantly greater impairments to performance in the job interview as a result of interview anxiety. Of interest, interviewer-rated interview anxiety did not interact with gender to predict interview performance, which supports preliminary research evidence that perceptions and the experience of interview anxiety are not necessarily congruent.     

Timescapes of Security: Clocks,Clouds, and the Complexity of Security Governance

This article pulls together the disjointed complexification of security studies. Such analytical overview suggests that the perspective of “timescapes” allows for exploring the complexity that shapes meanings and practices of security and its governance. In this respect, it is the imperative to change that suggests the significance of complexity thinking to security studies—that is, it is alone in taking the discontinuities of global life seriously. Security, in this regard, is not merely about the clockwork of survival, but is redefined through the cloudlike adaptive contingency of “security as resilience.” In this setting, the security governance of complexity is identified through its dancing to the timescaped rhythms of uncertainty, cognitive challenges, complex risks, and exaptation prompted by the heterogeneity of global life.     

The job demand-control(-support) model and physical health outcomes: A review of the strain and buffer hypotheses

Abstract

This review of the Job Demand-Control (JDC) model and the expanded Job Demand-Control-Support (JDCS) model and employees' physical health, focuses on the two prevalent views on these models. According to their view on the models researchers study different hypotheses: (a) the (iso)strain hypothesis, stating that the highest level of ill health is expected when the job is characterized by high demand and low control (and low social sup port), ot (b) the buffer hypothesis, predicting that control (and social support) can buffer the potential negative effects of high demands on physical health. It is argued that these hypotheses reflect theoretical distinct models, and that the practical implications associated with these models differ.

The review of 51 studies on the JDC(S) model reveals that the “strain” hypothesis predominates in studies of all-cause mortality, cardiovascular disease (CVD) related and specific non-CVD related health outcomes. In contrast, the “buffer” hypothesis is most prevalent in research on self-reported (psycho)somatic complaints. For the strain hypothesis as well as the buffer hypothesis the results are equivocal. Working in a high (iso)strain job appears to be associated with an elevated risk for cardiovascular disease and negative pregnancy outcomes, and increased (psycho)somatic complaints. Conclusions on other physical outcomes seem premature, considering the limited number of studies. The buffer hypothesis is supported in the few studies on CVD endpoints and in some studies on (psycho)somatic complaints.

A comparison of the validity of the two hypotheses is problematic, because they are mostly applied to a different set of outcomes. Furthermore, the analyses employed in the testing of the two hypotheses are of a different nature (non-linear versus linear).

The main recommendation for future research is to examine the validity of the strain and the buffer hypothesis concurrently, and to further explore the nature of the relationships.     

Job Conditions,Coping and Wellness/Health Outcomes in Spanish Secondary School Teachers

This cross-sectional study is part of EUROTEACH; a project aimed at examining the possible relationships between job conditions and wellness/ health outcomes in teachers from 11 European countries. The Spanish sample consists of 198 (53% female) teachers working in mixed public secondary schools in Alicante. The Job Demand-Control-Social Support (JDCS) model (Johnson and Hall, <citeref rid="bib18">1988</citeref>; Karasek and Theorell, <citeref rid="bib22">1990</citeref>) provides the theoretical framework for the study and specific instruments measuring additional job conditions and coping are applied to investigate these variables in the teaching profession. Moreover, the relationships between the variables are studied to clarify their possible interaction. Results confirm the expected relationship between job conditions and wellness/health effects, and also show the presence of an interaction between coping and the variables in the JDCS model. The need to perform further research on the role of coping, as well as considering other individual variables that might influence teacher occupational stress, is pointed out.     

Does longer job tenure help or hinder job performance?

There are two competing theoretical perspectives on how job tenure might affect job performance. Human capital theory suggests that as knowledge and skill increase with greater tenure, job performance will improve as well. In contrast, the literature on job design suggests that as job tenure increases, employees are likely to become more bored and less motivated at work. Consequently, the gains from human capital acquisition might be offset by losses of motivation. To examine these competing perspectives, we conducted meta-analyses on the relationships of job tenure with four types of job performance: core task performance, citizenship behavior, creativity and innovative behavior, and counterproductive work behavior. The results support the second perspective, as both the linear and curvilinear relationships of job tenure with the four types of job performance are weak. Further, the results do not change in strength across type of research design, job industry, age, or gender.     

The role of teammate relationships,communication and self-efficacy in predicting athlete flow experience

This study aimed at testing a structural model of athlete flow in a sample of South African students. A quantitative, cross-sectional research design was implemented. Participants completed self-report measures at pre-arranged times that were in close proximity to the completion of athletic activity. Student athletes (n = 235) participating in South Africa's two major sports, football and rugby, were surveyed. The instruments utilised in this study included the Short Flow State Scale-2, the Questionnaire on Experience and Assessment of Work, and the Generalised Self-Efficacy Scale. The results indicated positive relationships between the variables and established predictor paths. Teammate relationships and self-efficacy were established to as the best predictors of flow experiences of athletes.