Social sciences have well-developed methodologies for dealing with fallacies. http://www.amazon.com/Experimental-Quasi-Experimental-Design... is the bible, and is mostly taught to doctoral students. But chances are Mr. Collins has never heard of it, since he's in business faculty. But he might have, and might actually have a solid research design. Just that its hard to tell from the book.

The practice of management in the real world is full of imperfections, because its about people, and people are imperfect.