Changes in supervisors’ behavior lead to changes in the workplace environment and could reduce aggression, poor manner to job, and physical and emotional strain in workers . Moreover, supervisors’ leadership styles exert an impact on their performance, and leadership style, work environment, and job satisfaction are important factors affecting workers’ performance . Furthermore, support from supervisors increases productivity indirectly by reducing the occurrence of presenteeism , and their communication styles and personality traits affect organizational productivity . In addition, supervisors’ personalities and job stress levels have been associated with workers’ exposure to bullying in the workplace .