Hypothesis 3 is partly gained verification—different demographic variables have significant
differences in various dimensions of career success. The results of the study indicate that for knowledge
workers, males have stronger internal competitiveness than females; older and longer working tenure
employees have stronger internal and external competitiveness than younger and shorter working tenure
employees, but there is no significant difference at career satisfaction between them; senior managers
have stronger internal and external competitiveness and career satisfaction; the higher professional title,
the stronger external competitiveness of the employees, and they have higher career satisfaction; the
higher income employees have stronger internal and external competitiveness and career satisfaction