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Too-Much-Of-A-Good-Thing Effect of External Resource Investment—A Study on the Moderating Effect of Psychological Capital on the Contribution of Social Support to Work Engagement

by Yiheng Xi 1, Yangyang Xu 2 and Ying Wang 3,*
1
School of labor and human resources, Renmin University of China, Beijing 100872, China
2
School of public administration, Yan’an University, Shanxi 716000, China
3
College of economics and management, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(2), 437; https://doi.org/10.3390/ijerph17020437
Received: 30 November 2019 / Revised: 28 December 2019 / Accepted: 7 January 2020 / Published: 9 January 2020
(This article belongs to the Special Issue Occupational Health Psychology)
Built on the job demands-resources model (JD-R) and self-determination theory, the present research proposed that the relationship between work resources (social support) and employees’ work engagement takes on an inverted U-shaped curve, and presents a model of the moderation of personal resources (psychological capital) on the relationship. The hypotheses were tested by hierarchical regression analysis and path analysis with 535 surveys collected in 19 enterprises. The findings demonstrated an inverted U-shaped curve relationship between enterprises’ social support and employees’ work engagement and further suggested that the predicting effect of social support on work engagement is influenced by employees’ psychological capital, that is to say, the transformation from social support to work engagement bears higher efficiency in employees with high psychological capital than in those with low psychological capital. However, psychological capital fails to display a moderating effect on the curve relationship between social support and work engagement. The present study, casting doubt on the assumption that enterprise supply must meet the needs of employees, argued that the effectiveness of enterprises’ resource support is influenced by the individual needs of employees. View Full-Text
Keywords: self-determination theory; social support; psychological capital; work engagement; job demands-resources model self-determination theory; social support; psychological capital; work engagement; job demands-resources model
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Xi, Y.; Xu, Y.; Wang, Y. Too-Much-Of-A-Good-Thing Effect of External Resource Investment—A Study on the Moderating Effect of Psychological Capital on the Contribution of Social Support to Work Engagement. Int. J. Environ. Res. Public Health 2020, 17, 437.

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