Group thinking is most likely to occur when group members attempt to assume the leadership role in a group. Thus the first option is correct.
Leadership refers to the quality or the ability of the single individual to lead the members of the group. It has all the quality that a leader must possess. The leadership directs the individual efforts toward the achievement of the goal.
In the group, thinking is involves when they group members attempt to assume the leadership role in a group and also try to solve the problem of the group. Thus the first option is correct.
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