Previous studies have shown that leader narcissism has a significant impact on the effectiveness of a leader and employee behaviors; however, research on career outcomes of employees is still inadequate. This study explores the effects of leader narcissism on the career success of employees from an interpersonal relationship perspective and examines the mediating role of supervisor-subordinate conflict and the moderating role of dominant personality traits of employees. Data from 291 employees in Chinese companies have revealed that leader narcissism, directly and indirectly, affects the career success of employees through supervisor-subordinate relationship conflict. However, dominant personality traits of employees strengthen the impact of leader narcissism on supervisor-subordinate relationship conflict. The theoretical and practical implications of the findings of this study are further discussed.

By applying the PDCA model to the care of children with Henoch-Schonlein purpura, the nursing process can be divided into four stages: planning, execution, inspection, and treatment. According to the age characteristics and disease progression of pediatric patients, a complete nursing plan is formulated to efficiently implement the nursing content and improve the nursing effect. This paper studies the application of the PDCA nursing model in the nursing of children with Henoch-Schonlein purpura and statistically analyzes the disappearance of skin rash, joint pain relief, disappearance of urine protein, disappearance of gastrointestinal symptoms, etc. Finally, this paper combines the experiment to evaluate the intervention effect of this nursing model and provides reference for the follow-up care of children with Henoch-Schonlein purpura. From the results of experimental research, it can be known that PDCA nursing can improve the comfort of children with Henoch-Schonlein purpura, shorten the time for symptom disappearance, and speed up the recovery process.

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