Research and theoretical developments on the theory of cognitive dissonance are reviewed. After considering the self-consistency, self-affirmation, and aversive consequences revisions, the authors review research that has challenged each of the revisions and that supports the original version of the theory. Then, the authors review the action-based model of dissonance, which accepts the origina...

Maintainers face the daunting task of wading through a collection of both new and old revisions, trying to ferret out revisions which warrant personal inspection. One can rank revisions by size/lines of code (LOC), but often, due to the distribution of the size of changes, revisions will be of similar size. If we can’t rank revisions by LOC perhaps we can rank by Halstead’s and McCabe’s complex...