If a person scores a 70 on an intelligence test on one day and scores 110 when retested on another day, you would most likely conclude that this test is ________.
A)valid
B)invalid
C)reliable
D)unreliable

Question

Quizplus · Accepted Answer

D)Reliability is a test's first requirement and refers to its consistency: A reliable test is one that yields consistent scores when a person takes two alternate forms of the test or when he or she takes the same test on two or more different occasions. If a person scores 70 on an intelligence test on a Monday and 110 when retested on Tuesday, you probably wouldn't have much faith in the test.

If a Person Scores a 70 on an Intelligence Test