A psychologist thinks that he has come up with a new and improved intelligence test. He gives the test to some subjects several times and finds that there is a lot of fluctuation in how well a person scores. The fluctuation seems indicate that the new test lacks:

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The Answer of A psychologist thinks that he has come up with a new and improved intelligence test. He gives the test to some subjects several times and finds that there is a lot of fluctuation in how well a person scores. The fluctuation seems indicate that the new test lacks:

A Psychologist Thinks That He Has Come Up with a New