CNA-group interview, any ideas?

I was just wondering if anyone had any ideas on how i could make my self stand out (in a good way) at a group interview? I've never been to a group interview before and I'm not sure how not to get "stepped" on by other people who might be more outspoken then i am, it kind of makes me nurvous. I am pretty confident in my skills and I'm also a little bit competitive so I won't be completly snuffed out, i was just hoping i could get a couple of ideas..? Anything helps, thanks so much