We all know this ideal is far from reality, but in Is Decision-Based Evidence Making Necessarily Bad?, Sloan Mgmt Review offers 3 levels to define the role of evidence:
- to make a decision – when data really does lead to a decision
- to inform a decision – when other factors such as judgment and bargaining play a role too
- to support a decision – when data is looked for that confirms the decision, and crucially, when disconfirming evidence is avoided or rejected.
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