The effect focuses on the influence of the group majority on an individual's judgment.

The effect that is being described above is called the asch effect. It is because the asch effect is a study that shows of how an individual is being defied when he or she is in a majority of group and whether what influences the individual.

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.