Assessing psychological capital: Construction and validation of the psychological capital inventory (PSI-16) using automated item selection

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Abstract
This article in the journal “Gruppe. Interaktion. Organisation. (GIO)” explores the construct of Psychological Capital (PsyCap) within the framework of Positive Organizational Behavior, focusing on its components—hope, self-efficacy, resilience, and optimism—and their impact on personal and organizational outcomes. Utilizing machine learning meta-heuristic techniques, the study developed the Psychological Capital Inventory (PSI-16) to address limitations in existing measures. Two samples (N = 297 and N = 272) were analyzed to construct and validate the PSI-16 and its nomological network, encompassing constructs like life satisfaction, gratitude, well-being, self-esteem, and perceived social support. Results indicated strong psychometric properties for PSI-16, with statistically significant positive correlations between PsyCap and life satisfaction, well-being, and adaptive personality traits, and negative correlations with psychological distress and perceived stress. The PSI-16 offers a robust tool for assessing PsyCap, enhancing theoretical understanding and practical applications in organizational and psychological contexts. Future research should further validate the PSI-16 across diverse cultures and settings.
Funding Information
  • MSB Medical School Berlin - Hochschule für Gesundheit und Medizin GmbH

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