Causal Influence of Personnel Competency on Job Satisfaction: The Mediating Roles of Organizational Atmosphere and Digital Innovation in Private Vocational Colleges
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Abstract
This study examined the causal influence of personnel competency on job satisfaction, with organizational atmosphere and digital innovation system serving as mediating variables in private vocational colleges in Thailand. A cross-sectional quantitative research design was employed. The sample consisted of 240 administrators, teachers, and support staff selected through cluster random sampling from 80 colleges. Data were collected using a five-point Likert scale questionnaire comprising 22 indicators with a Cronbach's alpha coefficient of .985. Structural equation modeling was conducted using IBM AMOS, and indirect effects were tested via Bias-Corrected Bootstrap with 2,000 resamples. The results indicated that the model demonstrated acceptable fit with empirical data (CFI = .992, TLI = .985, RMSEA = .047). Personnel competency exerted significant positive direct effects on organizational atmosphere (β = .763), digital innovation system (β = .780), and job satisfaction (β = .421). Digital innovation system showed a strong positive direct effect on job satisfaction (β = .736) and functioned as an effective mediator between personnel competency and job satisfaction (β_indirect = .574). Organizational atmosphere did not significantly predict digital innovation system directly and exerted a negative direct effect on job satisfaction, attributable to a suppressor effect whereby its influence on satisfaction operated primarily through digital innovation. The model explained 77.6% of the variance in job satisfaction. These findings suggested that developing personnel competency alongside promoting digital innovation constituted a critical strategy for enhancing job satisfaction among staff in private vocational colleges.
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References
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