Final answer:
Most PR practitioners believe that evaluation is important, but there is little agreement on how this evaluation should be done or what criteria should be measured.
Step-by-step explanation:
The statement is True. Most PR practitioners do believe that evaluation is important, but there is little agreement on how to conduct this evaluation or what criteria should be measured. As a result, there is no commonly agreed-upon method for determining the truth of these evaluations. Different PR practitioners may have different approaches and criteria for evaluating their work.