A is a person who is able to influence the behavior of other group members. a. leader b. dominant member c. majority influencer d. influential observer

Option A: Leader

Explanation:

Leadership is the use of influence by a member of a group or organization, so to be over other members with the aim to help the group or organization achieve its goals and objectives.

A Leader as a person of interest is simply a person who has the ability to convince or influence a group or organizational members with the sole aim of helping the group or organization reach or achieve all its goals. A trait of a good leader includes:Intelligence, Task-relevant knowledge, dominance, self-confidence, energy/activity levels, tolerance for stress and many more.

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;