On a newly-developed IQ test, an individual scores at the 110 level on the first half of the test, and 150 on the second half of the test. What does this test appear to lack?
A)Reliability
B)Standardisation
C)Predictive validity
D)Appropriate norms

Question

Quizplus · Accepted Answer

The test appears to lack reliability as the scores are significantly different on two halves of the test, which indicates that the scores may not be consistent over time, and the test may not reliably measure IQ.

On a Newly-Developed IQ Test, an Individual Scores at the 110