I'm using Plickers in the creative arts, therefore not really asking 'correct or incorrect' answers. I'm using it to measure progress with questions like:

How have you made progress today?

Therefore it'd be great to see pupils names or initials next to the results so I can question pupils further. E.g:

A. I have made progress by adding areas of tone

I could then see which pupils are aiming for higher levels etc and question groups of pupils if their name was visible.