After purchasing new computers for her department, a manager is now comparing the performance of the new computers to the computers they replaced. Which stage of the decision-making process is she carrying out?

evaluation of decision effectiveness

Explanation:

Based on the information provided within the question it can be said that in this scenario she is in the stage of evaluation of decision effectiveness. This is the stage after the decision has been made in which the individual begins to analyze the decision and determine whether the decision was as effective as originally anticipated , and whether or not it was the correct decision.

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