Second, the influence of interpersonal communication and self-efficacy on job performance. Interpersonal relationship affects the emotional state and behavior mode of R & D personnel, greatly influences the innovation atmosphere, team communication and cooperation, work efficiency, organization operation and the relationship between individuals and organizations. Good interpersonal relationship is conducive to the improvement of physical and mental health, work and life quality of R & D personnel. Most of the innovation achievements of high-tech enterprises are the results of team cooperation, among which, each R & D personnel may only be responsible for department modules or links, and each R & D personnel has its unique personality, behavior mode and values, so having good team communication, interpersonal trust and cooperation ability plays a key role in the R & D team's innovation achievements. At the same time, the R & D team of the project has the characteristics of temporary and flexibility, which requires the R & D personnel to quickly enter the work role after entering the new project team, to restore the work status with strong adaptability and interpersonal trust and confidence, with clear division of labor and good team cooperation, so as to achieve the effect of collaborative innovation. Moreover, innovation and R & D activities are uncertain and risky, with good job recovery ability, which does not affect the working mood of themselves and other team members, which is very important for R & D personnel.<br>
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