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Simple IQ Test : Reliability and Validity

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Dr. Hightower has devised a simple IQ test. He simply asks a test taker their shoe size. Then he takes that number and multiplies it by 10. Thus, Mike, who has a size 9 shoe, has an IQ score of 90 (9 x 10 = 90).

Which of the following is accurate in regards to Dr. Hightower's test?

A

It has high predictive and content validity.

B

It lacks validity and reliability.

C

It has high reliability, but low validity.

D

It has high validity, but low reliability.

E

It has high reliability and validity.