quiz engine.
you got it, thats what i wanted to achieve. the idea behind this is that the multiple choice will include some correct information and other information that makes reference to the original material but is not the complete answer. so if the student picks a partially correct answer, they get some credit for that answer.
of course the incorrect will be zero credit and the completely correct answer will be full credit.
this is by way of encouragement to the student that they are on the right track and have picked an answer that does contain some correct information.
the response will contain 'partially correct' and then an explanation of this to 