Task uncertainty is the most prominent feature of work tasks in Internet Enterprises,and it is also one of the important factors that affect the psychological state and work behavior of R&D personnel.Based on uncertainty management theory,self-determination theory,resource conservation theory and trait activation theory,this paper sets out from the perspective of job resource-requirement matching,the mediating variables of job insecurity and proactive personality were selected in turn,and a chain mediating model from task uncertainty to job remodeling was constructed.Based on 562 valid questionnaires from R&D personnel of Internet Enterprises,using Bootstrapping repeated sampling method,the results are as follows:task uncertainty has positive effects on psychological insecurity,proactive personality and job remodeling;task uncertainty mediates job remodeling through job insecurity;task uncertainty affects job crafting with active personality;task uncertainty can activate individual active personality by inducing job insecurity,which has a positive effect on job crafting.
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