Be mindful of your posture which says a lot about your confidence!
Eye contact suggests openness and trustworthiness!
Easier said than done, But this will help you talk coherently!
Show your interest by being inquisitive!
This can show insecurities that make you seem guarded or insecure.
This suggests nervousness and immaturity.
A lack of research shows a lack of interest.
You want to be hired for your real skills, not made up ones!