Study on the Influence Mechanism of Postdoctoral Researcher Job Satisfaction from the Perspective of Motivation Crowding Theory:Mediation Effect Based on Intrinsic Motivation
According to a research in 2020,more than one-quarter of postdoctoral researchers are leaving after a year in this position.The main factor behind this scenario is the declining job satisfaction.Compared to external factors,intrinsic motivation seems to play a bigger role in the pursuit of academic career.However,there is a lack of research on the influence mechanism of external incentive and extrusion or extrusion of intrinsic motivation.Therefore,based on the motivation crowding theory and the survey data of 7 268 global postdoctoral researchers published in Nature in 2020,a structural equation model of postdoctoral satisfaction is constructed.Bootstrap estimation method is also used to test the effects and mechanisms of external motivation and intrinsic motivation on postdoctoral researchers'job satisfaction.The results show that self-efficacy and academic autonomy of intrinsic motivation are the key factors affecting postdoctoral researchers'job satisfaction,and academic autonomy is more significant.Supervisor supervision can directly improve postdoctoral researchers'job satisfaction,but it has a motivational crowding effect on postdoctoral researchers'self-efficacy,and indirectly reduces their job satisfaction.Organizational management has an indirect positive effect on postdoctoral researchers'job satisfaction through self-efficacy and academic autonomy,but its direct effect is negative.Financial security both directly or indirectly affects postdoctoral satisfaction in a positive way through self-efficacy and academic autonomy,and the direct effect is greater than the indirect one.To this end,it is suggested that instructors should adjust their communication skills and supervision timely,while the organization accelerates the internal benign construction,so as to help postdoctoral researchers successfully transform their roles as apprentices to scholars by means of making flexible and proper adjustments to better support them.
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