Nicolette,
I appreciate your clarification, and applaud your obviously sincere interest in helping. You do, indeed, ask a difficult question, in part because the students may not know the answer themselves. "Is this something you can control, or is it because of your disability?" How do they know? How much of what may appear to be lack of motivation or lack of caring is, in fact, a conditioned response -- a way of protecting themselves because of past failures? If you refuse to try, you may suffer consequences for that decision, but you haven't "failed."
Perhaps a better way to… >>>