Jan is the leader of a cohesive "knowledge masters" group that is preparing to compete against teams from other colleges. to prevent groupthink and ensure that her group is successful, she should
a. invite experts who are not members of the group to attend practice sessions and provide critical feedback.
b. assess group members' opinions frequently using show of hand voting.
c. create a unified, cohesive membership to devise strategies together.
d. take the group to a cabin in the mountains so that they are not distracted by other things.

a. invite experts who are not members of the group to attend practice sessions and provide critical feedback.

Explanation:

According to my research on practice techniques, I can say that based on the information provided within the question Jan should invite experts who are not members of the group to attend practice sessions and provide critical feedback. One of the best proven ways to increase your skills is to have receive and listen to have experts analyze your performance and provide you with feedback on how to improve.

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. austria-hungary began seizing british colonies in africa.

the answer to this question is d