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A brief Meaningful Work and Enjoyment Scale (MeWES) for extreme operational environments
Lauren Blackwell Landon1, Alexa D Baxley1, Suzanne T Bell2
1Behavioral Health & Performance Laboratory, Biomedical Research and Environmental Sciences Division, Human Health and Performance Directorate, KBR, NASA Johnson Space Center, Houston, Texas, USA.
A new scale, the Meaningful Work and Enjoyment Scale (MeWES), effectively measures job meaningfulness and enjoyment in high-stress environments. This tool aids in understanding and improving resilience and performance for individuals in isolated and demanding operational settings.
Area of Science:
- Psychology
- Occupational Health
- Human Factors Engineering
Background:
- Extreme operational environments present unique psychological and physiological stressors.
- Sustained stress in these settings can negatively impact individual wellbeing and performance.
- Existing measures may not fully capture the nuances of work perception in isolated, confined, and high-demand contexts.
Purpose of the Study:
- To develop and validate the Meaningful Work and Enjoyment Scale (MeWES).
- To assess the perception of meaningful and enjoyable work in extreme operational settings.
- To provide a brief, practical measure for research and interventions.
Main Methods:
- The MeWES was developed based on the job demands-resources model, resilience, and engagement theories.
- Validation involved three distinct populations: Antarctic expedition personnel, US Navy officers, and NASA analog participants.
- Psychometric properties including internal consistency, structural validity, and convergent/predictive/incremental validity were evaluated.
Main Results:
- The six-item MeWES demonstrated strong internal consistency and a unidimensional structure.
- Convergent validity was confirmed with the Work and Meaning Inventory.
- The scale showed significant predictive validity for morale, career satisfaction, affect, team cohesion, and performance, explaining unique variance beyond existing measures.
Conclusions:
- Meaningful work acts as a crucial psychological resource that fosters resilience in extreme contexts.
- The MeWES is a reliable and valid instrument for assessing work perceptions in high-stress operational environments.
- Findings support the use of the MeWES to enhance individual and team functioning, performance, and wellbeing in demanding settings.

