discrimination...just might not be the right word, it has a really negative meaning. judgement is harsh too.
how about discern?
dis·cern ( P ) Pronunciation Key (d-sûrn, -zûrn)
v. dis·cerned, dis·cern·ing, dis·cerns
v. tr.
To perceive with the eyes or intellect; detect.
To recognize or comprehend mentally.
To perceive or recognize as being different or distinct; distinguish.