Daryl took the College Aptitude Test (CAT) when he was a junior in high school.He attained a very low score on the test and his high school counselor suggested that he look into other options.Daryl went to college anyway and earned a place on the Dean's List every semester.At his 5ᵗʰ-year high school reunion, former students had a chance to retake the CAT.Daryl again earned a very low score.Based on Daryl's experience it would be fair to conclude that the CAT has:
A)low reliability, but high validity
B)low reliability, and low validity
C)high reliability, but low validity
D)been poorly standardized

Question

Quizplus · Accepted Answer

Daryl's consistently low scores on the CAT suggest that the test has high reliability - meaning it consistently measures the same thing - but low validity - meaning it does not accurately measure what it's intended to measure (in this case, Daryl's potential for success in college). This is further supported by the fact that he performed well in college despite his low CAT scores.

Daryl Took the College Aptitude Test (CAT) When He Was