Our verbal repertoires tend not to be fluent with identifying what people are doing correctly. We are far quicker to provide negative feedback (which usually serves as ________) than to offer specific praise or directives on what to do correctly (which usually serves as ________). But remember, this does nothing to ________ an appropriate repertoire and in general is not very nice!
 1) punishment
 2) reinforcement
 3) develop
 4) improve