Publications by authors named "Nicholas J Haynes"

In the current study we replicated and extended the validation of the Multidimensional Workaholism Scale through: 1) the examination of the relationship between the MWS and the Bergen Work Addiction Scale; 2) the test of measurement invariance of the U.S. and the Italian versions; and 3) the analysis of predictive validity of the MWS through a series of cross-lagged panel models on a two-wave Italian sample ( = 304), including work-family conflict and emotional exhaustion.

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Most work-family conflict (WFC) research does not theorize, hypothesize, or empirically test phenomena at the dimension level. Instead, researchers have predominantly used composite-level approaches based on the of WFC (work-to-family and family-to-work conflict). However, conceptualizing and operationalizing WFC at the composite level instead of at the dimension level has not been confirmed as a well-founded strategy.

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The prevalence of chronic health conditions is increasing, with over half the current workforce attempting to manage one or more chronic conditions. The Live Healthy, Work Healthy (LHWH) program is a version of the Chronic Disease Self-Management Program translated to the workplace, with the goal of improving and sustaining the health, well-being, and productivity of employees living with chronic health conditions. Using organizational support theory as a theoretical framework and a clustered randomized controlled trial design, this article demonstrates how the LHWH program positively impacts work-related quality of life, orientations toward the organization, and organizational cognitions and behaviors.

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Purpose: Report the results of a randomized, controlled trial of Live Healthy, Work Healthy (LHWH), a worksite translation of the Chronic Disease Self-Management Program (CDSMP).

Design: 14 worksites were randomly assigned to LHWH, standard CDSMP (usual care) or no-intervention (control) group.

Setting: The diverse set of work organizations centered around a rural community in SE US.

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The current study aimed to test how workload, via workaholism, impacts job performance along with the complex interplay of perfectionistic concerns and work engagement in this mediated relationship. A two-wave, first and second stage dual-moderated mediation model was tested in an SEM framework. Results based on a sample of 208 workers revealed a complex and nuanced relationship among the studied constructs, such that the simple mediation model was not significant, but the indirect effect was negative, nonsignificant, or positive conditional on both moderators.

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Scholarly interest in workaholism has increased dramatically in recent years. This research has underscored the detrimental effects of workaholism for employees, their families, and the organizations that employ them. Despite drastic improvements in the quality of studies examining workaholism over the past several decades, researchers continue to almost exclusively rely on older measures of workaholism or new measures derived from these original measures.

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The Workplace Health Group (WHG) was established in 1998 to conduct research on worker health and safety and organizational effectiveness. This multidisciplinary team includes researchers with backgrounds in psychology, health promotion and behavior, and intervention design, implementation, and evaluation. The article begins with a brief history of the team, its guiding principles, and stages of team formation and development.

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Dietary supplements are widely used to enhance sport performance and the combination of carbohydrate and caffeine (CHO+CAF) has yielded particularly high performance gains. Though the effects of a CHO+CAF supplement have been studied in a laboratory environment, little research exists on the effects of supplementation during competition. Therefore, the purpose of this study was to determine the effects of a CHO+CAF supplement on athletic performance in competition.

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