Which of the following demonstrates reliability?
a. An IQ test is effective in predicting the academic performance of both males and females.
b. Scores on an IQ test are not affected by mood.
c. Scores on two different intelligence tests are highly correlated.
d. When an IQ test is administered to the same person repeatedly, the results do not differ.
Question 2
Which of the following statements about reliability and validity is true?
a. Reliable tests are usually valid.
b. Valid tests are usually reliable.
c. There is no relationship between reliability and validity.
d. In order for a test to be reliable, it must be valid.