khahn: Ma'am; what gives you reason to question the "flinch"
Anticipation? Ma'am we will make millions with this answer

focus on the sights; do not stop looking at the sight picture

We all realize that we don't focus [concentrate] When we have a trigger that becomes a long drawn out affair; boredom sets in and there goes the concentration.
Ma'am I have a trigger in one Glock with a pull of approx. 2"'s

and it drives me crazy. The other; I doctored on; and my shooting reflects as much.
Crummy a$$ triggers are more of the culprit to the dreaded flinch.
Dry firing will help with proper focus; big bangers; having two sets of hearing protections has worked for me.
Follow up with your findings when you can