It can be helpful to approach RC looking for what the different "sides" or POV's that are presented in a passage. That's the extent to which I've used the scale method. Didn't hurt because I saw it as a likely time sink from the outset.
@PMLSAT83 http://www.audiodharma.org/talks/audio_player/6036.html Gil Fronsdal has lectures every Wed starting this one . you can look up these at : http://www.audiodharma.org/teacher/1/ I try to listen to these
Unrelated to theories, but an interesting article nonetheless: http://www.nytimes.com/2016/01/12/opinion/making-a-murderer-is-about-justice-not-truth.html?_r=0