Mostly his doesn't like this kind of academic research approach, but he makes a valid point that is applicable across the whole of the Knowledge Management domain:
"In any knowledge sharing environment you are dealing with a complex system so the creation of survey instruments with dependent and independent variables is in appropriate. It gives a happy appearance of order and structure, but in reality there are too many factors (or better modulators in play). Five minutes reflection produced those listed above and it would not be difficult to create more."
Or, in the interests of simplicity, I summarise this as:
Remember, its Knowledge Management and results may vary ;-)