Answer: The correct answer is "c. He should use the feedback to punish ineffective team members.".
Explanation: Graham should avoid use the feedback to punish ineffective team members because a effective feedback should be timely, this is provided as soon as possible; balanced, that is, to include positive reinforcements and suggestions for how to improve; specific, handling only the behavior and giving examples; objective, describing the behavior and not the person itself; of positive intention, oriented to help and not to punish.