The mediational role of perceived stress in the relation between optimism and burnout in competitive athletes

Abstract

Burnout has been highlighted as an important issue, not only in occupational settings but also among athletes. Optimists appear to be more resistant to burnout, which might be partly explained by lower levels of stress. The purpose of this study was to investigate the relationship between optimism and burnout symptoms in 217 athletes (139 males and 78 females, aged 16 to 19 years), while also examining stress as a mediator in this relationship. The results showed that optimism had a significant negative relationship with both stress and burnout. Mediation analyses indicated that perceived stress fully mediated the links between optimism and two symptoms of burnout, emotional/physical exhaustion and sport devaluation, and partly mediated the link between optimism and a third symptom, reduced sense of accomplishment. The findings indicate that individual factors, such as optimism, may play an important role in the development of burnout by virtue of their association with stress. Future research should, therefore, investigate the longitudinal effects of optimism on stress and burnout.     

Psychophysiological effects of emotional dissonance in a face-to-face service interaction

Abstract

Current research demonstrates that requirements to express emotions which are not genuinely felt in the particular situation (emotional dissonance) are associated with negative long and short-term effects. The aim of the present study was to investigate: (a) the psychophysiological short-term effects of emotional dissonance in a face-to-face service interaction and (b) the moderating role of gender and neuroticism. In total, 32 women and 27 men were instructed to play the role of a service employee, who had to interact with an angry and rude customer. Half of the sample was given information that the organization expected them to be friendly (emotional dissonance), the other half was told they were expected to act naturally and show their genuine feelings (no emotional dissonance). Subjective and behavioral responses revealed that participants in the “friendly” condition modulated their emotional expressions to a greater extent than those in the “naturally” condition. Participants in the “friendly” condition showed stronger systolic and diastolic blood pressure responses. Furthermore, hierarchical regression analyses yielded that gender and neuroticism partly moderated the association between emotional dissonance and participants' psychophysiological response.     

Reviewing,Categorizing, and Analyzing the Literature on Black–White Mean Differences for Predictors of Job Performance: Verifying Some perceptions and Updating/Correcting Others

In both theoretical and applied literatures, there is confusion regarding accurate values for expected Black–White subgroup differences in personnel selection test scores. Much confusion arises because empirical estimates of standardized subgroup differences (d) are subject to many of the same biasing factors associated with validity coefficients (i.e., d is functionally related to a point‐biserial r). To address such issues, we review/cumulate, categorize, and analyze a systematic set of many predictor‐specific meta‐analyses in the literature. We focus on confounds due to general use of concurrent, versus applicant, samples in the literature on Black–White d. We also focus on potential confusion due to different constructs being assessed within the same selection test method, as well as the influence of those constructs on d. It is shown that many types of predictors (such as biodata inventories or assessment centers) can have magnitudes of d that are much larger than previously thought. Indeed, some predictors (such as work samples) can have ds similar to that associated with paper‐and‐pencil tests of cognitive ability. We present more realistic values of d for both researcher and practitioner use. Implications for practice and future research are noted.     

Jewish Courts in Medieval England

Basing their conclusions on Latin documents, historians have painted the Jewish courts of medieval England as limited and haphazard affairs, their jurisdiction limited mostly to family law. They have also assumed that rabbinic courts ceased their activity in England after 1242. Hebrew rabbinic sources from the same period—some of which have never been published—provide more detailed information. These sources describe several professional courts staffed by learned scholars and adjudicating a range of legal issues. These courts existed throughout the thirteenth century—until the Expulsion of 1290—and included some of the leading rabbis in medieval England: Benjamin of Cambridge, Moses of London, and Moses’s son Elijah Menahem. The London court of Rabbi Elijah Menahem in particular possessed significant powers and utilized Elijah’s royal connections to enforce its rulings. Besides correcting the scholarly perception of rabbinic courts in medieval England, this article demonstrates how crucially important rabbinic texts and responsa are for historians as a source alongside other types of medieval documentation.     

Grace in Nature and History: Luther's Doctrine of Creation Revisited1

Abstract: Interpreting Luther's Trinitarian theology of creation, it is shown how Luther's doctrine of creation is modelled on his soteriology. In his writing Against Latomus(1521) Luther established his famous distinction between the external grace of God (favor dei) and the divine gift (donom): the living Christ. A similar distinction can be re‐constructed from Luther's theology of creation as presented in his catechisms, sermons, tracts, and exegetical writings. Just as Luther makes a distinction between the Christ who takes side for us within God, and the Christ who is dwelling in the heart of the believer, Luther makes a the distinction between the fatherly love toward humankind (benevolentia), and the Father, Son and Spirit, who are at work from within the life of the creatures in God's blessing (benedictio). There is an implicit notion of a pater pro nobis and a pater in nobis, which reflects, in the order of creation, the classic distinction between Christus pro nobis and Christus in nobis. According to Luther's theology of the Eucharist and divine blessing, there exists a union between God and creature, which has a similar structure as the union between Christ and believer. There are distinctions to be drawn as well as correlations to be seen between the order of creation and the order of salvation.     

Autistic Traits Below the Clinical Threshold: Re-examining the Broader Autism Phenotype in the 21st Century

Diagnosis, intervention and support for people with autism can be assisted by research into the aetiology of the condition. Twin and family studies indicate that autism spectrum conditions are highly heritable; genetic relatives of people with autism often show milder expression of traits characteristic for autism, referred to as the Broader Autism Phenotype (BAP). In the past decade, advances in the biological and behavioural sciences have facilitated a more thorough examination of the BAP from multiple levels of analysis. Here, the candidate phenotypic traits delineating the BAP are summarised, including key findings from neuroimaging studies examining the neural substrates of the BAP. We conclude by reviewing the value of further research into the BAP, with an emphasis on deriving heritable endophenotypes which will reliably index autism susceptibility and offer neurodevelopmental mechanisms that bridge the gap between genes and a clinical autism diagnosis.     

Normality and naturalness: A comparison of the meanings of concepts used within veterinary medicine and human medicine

This article analyses the different connotations of “normality” and “being natural,” bringing together the theoretical discussion from both human medicine and veterinary medicine. We show how the interpretations of the concepts in the different areas could be mutually fruitful. It appears that the conceptions of “natural” are more elaborate in veterinary medicine, and can be of value to human medicine. In particular they can nuance and correct conceptions of nature in human medicine that may be too idealistic. Correspondingly, the wide ranging conceptions of “normal” in human medicine may enrich conceptions in veterinary medicine, where the discussions seem to be sparse. We do not argue that conceptions from veterinary medicine should be used in human medicine and vice versa, but only that it could be done and that it may well be fruitful. Moreover, there are overlaps between some notions of normal and natural, and further conceptual analysis on this overlap is needed.     

Are you interested? A meta-analysis of relations between vocational interests and employee performance and turnover

A common belief among researchers is that vocational interests have limited value for personnel selection. However, no comprehensive quantitative summaries of interests validity research have been conducted to substantiate claims for or against the use of interests. To help address this gap, we conducted a meta-analysis of relations between interests and employee performance and turnover using data from 74 studies and 141 independent samples. Overall validity estimates (corrected for measurement error in the criterion but not for range restriction) for single interest scales were .14 for job performance, .26 for training performance, -.19 for turnover intentions, and -.15 for actual turnover. Several factors appeared to moderate interest-criterion relations. For example, validity estimates were larger when interests were theoretically relevant to the work performed in the target job. The type of interest scale also moderated validity, such that corrected validities were larger for scales designed to assess interests relevant to a particular job or vocation (e.g., .23 for job performance) than for scales designed to assess a single, job-relevant realistic, investigative, artistic, social, enterprising, or conventional (i.e., RIASEC) interest (.10) or a basic interest (.11). Finally, validity estimates were largest when studies used multiple interests for prediction, either by using a single job or vocation focused scale (which tend to tap multiple interests) or by using a regression-weighted composite of several RIASEC or basic interest scales. Overall, the results suggest that vocational interests may hold more promise for predicting employee performance and turnover than researchers may have thought.