On SIMs grading, the answer from the AICPA and interpretation of it that I've seen was this: say one SIM has 12 different boxes for responses, and if you compare that to the research question which only has one response, the single research response is weighted the same as each of the 12 boxes in the more complex SIM. So overall, the ones with more responses are weighted more (and partial credit is a possiblity).
AUD 84 (1/9/14-Wiley books/TB + free materials)
FAR 83 (5/21/14-the above + NINJA 10 Pt Combo Lite)
REG 84 (7/9/14-Wiley books/TB + NINJA Audio/FC/Notes)
BEC 76 (10/5/14-Wiley books/TB + NINJA Audio/FC)
Disclaimer: My ninja avatar is not meant to imply that I have any affiliation with this site other than being a forum member. That's a pic of a T-shirt that my daughter gave me for my birthday. 🙂