+1 on this.
I think that CM could do its members a favor by clarifying these questions. We often times hear that a person may have decided to answer a question a certain way because of past behaviors, so why not preface each of the questions by something as simple as "Regardless of your opinions and/or behaviors in the past, do you now accept Church teaching regarding..."? This is not a perfect example but I think some of the ambiguity could be removed by rephrasing the questions. A comment box could also be provided so that each member could explain their answer if they so choose.
It might also helpful to provide a bit of instruction on some of the questions/teachings. For example, I honestly think that some members think that the "Papal Infallibility" means the pope never sins and can proclaim 2+2=5.