Even if you say all the right things, you will not get the job if you do not dress appropriately and make the right first impression.
It’s absolutely essential that you create a good impression with the way you look. This is about being smart, well-groomed and conservatively dressed. You should blend in with your dress and appearance, but stand out with your impressive answers and professional manner.
Employers judge prospective employees in the first few minutes as follows: 55% on how we look, 38% on how we sound and 7% on what we say
—
Albert Merhrabian