Two variables increasing and decreasing together is to _____ as two variables moving in opposite directions is to _____

Which of the following statements is true when comparing the MMPI–2 with the CPI?

a) Both are used to assess psychological disorders. b) Both are considered personality inventories. c) Both have little research supporting their validity. d) Both are only administered in a group format.

In what is called the Flynn effect, over the last 60 years average IQ scores

A) have increased steadily. B) have dropped steadily. C) have stayed constant. D) have varied unpredictably.