Check-Raise Flop, Check Turn is a sign of what?

Originally Posted by jackvance

Well, yeah.. he thought he had it on the flop but then ran scared on the turn, so I'd say he could fold to a turn bet plenty of the time. I dunno about betting with air though, he might just want to stick to his hand and see it through..

so should player b bet because he knows player a is scared now?