according to Hedgges(2014), some people says first impression is so accurate, and some says not. however, it is so important to make a good relationship for us.

according to Naudrt, it is dificult to remake a good relationship after people get a bad impression. there are some research about that and it shows his idea is accurate.

according to Macneil(2009), the person says to know the first has a big power. appearance and non verval communication have big influence.we must be care about that in a bussiness.

Hedges, K (sep 5 2014) How Important Is Your First Impression Really? Forbs. Retreived http://www.forbes.com/sites/work-in-progress/2014/09/05/how-important-is-your-first-impression-really/2/#538885806169

Naudrt,First Impressions Are Important for Trusting Relationship, Psych Central. retrived http://psychcentral.com/news/2009/01/08/first-impressions-are-important-for-trusting-relationship/3600.html

Macneil(sep 23, 2009) Ask The Professor. Tufts Journal. retrivedhttp://tuftsjournal.tufts.edu/2009/09_2/professor/01/