Survey after survey highlights the importance of getting the first few seconds and minutes of your job interview right:

Six in ten managers say an interviewee’s dress sense has a big impact on their employability (source: monster.co.uk survey).
33% of bosses say they know within 90 seconds whether they will hire someone (source: Classes and Careers).
It can take someone about a 1/10 of a second to form an impression of your trustworthiness – and that impression rarely changes later (source: Psychological Science).
Looking your interlocutor in the eye can help to raise their perception of your intelligence (source: Personality and Social Psychology Bulletin).
More conservative colors such as blue and black are a safer bet in interviews, according to one survey of over 2000 hiring professionals. Orange is the worst! (source: CareerBuilder).