Which phrase is the BEST description of the concept of reliability of scores on psychological measures of intelligence, personality, and attitudes

answer; ///i believe the correct answer is (c)///unify chinaplz check first

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.

could you show the options for the answers? : )

answer; correlational;