What does Granger’s grandfather teach him about death?

a. He teaches Granger that life is pointless because we all die in the end.
b. Granger’s grandfather teaches him that people are afraid of death when they shouldn’t be.
c. Granger’s grandfather teaches him that by touching, creating, and changing things people remain a part of life after they die.
d. Granger learns from his grandfather to expect the worst.

Granger's grand father teaches him that by touching,creating,and changing things people remain a part of life after they die

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;