Answered

Why is paying attention to how you present yourself in an interview important and helpf
in securing a job?
Talking about the choices you made getting dressed is a great way to start a
conversation in an interview.
It allows the interviewer to focus on you and your skills.
It allows you to dress in similar ways as the interviewer and gives you something to
talk about.
It focuses your energy on yourself and that is what you should focus on during an
interview.