Multiple Choice
Let's say that you designed an intelligence test over 30 years ago and normed it to a mean of 100 and a standard deviation of 15. However, you suspect that it may suffer from the Flynn effect. Which of the following would lead you to believe this?
A) The standard deviation is now 25.
B) The mean has dropped to 90.
C) The mean has increased to 120.
D) Judges can no longer agree on the correct answers.
E) You cannot get test-retest reliability.
Correct Answer:
Verified
Correct Answer:
Verified
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