Juan is the president of a business. He wants all his employees to dress professionally. At the monthly staff meeting, he talks about the effect of appearance on work performance. However, he does not want to create a dress code or enforce a rule concerning people's dress. Juan appoints his manager, ying yue, to get the employees to dress professionally and to achieve conformity without exerting power. How should ying yue accomplish this? list the characteristics of the situation she will need to take into account.