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Reliability and Validity

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Which of the following would be true if your alarm clock was always an hour behind the actual time of day?

A

The clock is reliable, but not valid.

B

The clock is not valid, but you cannot determine if it is reliable given the limited information you have been given.

C

The clock is neither reliable nor valid.

D

The clock is both reliable and valid.

E

The clock is valid but not reliable.