Why is research, or data collection such an important part of an OD process?

Question options:

	this stage pays the most for the OD consultant
	the entire OD process rests on the validity and reliability of the data
	it is the first and quickest of the steps in the process, so the organization can begin to get a "feel" for what is going to happen
	it will put fear in the employees, which will, in turn, ensure that they do what the OD consultant says
	all of the above