A researcher measures the amount of time older adults spend each week engaging in mentally challenging activities and also the scores they earn on a test of intelligence.The researcher finds that the more time older adults spend engaging in mentally challenging activities,the higher their scores on the intelligence test.On the basis of this finding,which of the following conclusions would the researcher be justified in drawing?

Question

Quizplus · Accepted Answer

The correct conclusion is that there is a positive relationship (correlation) between the amount of time spent engaging in mentally challenging activities and intelligence test scores, as indicated by the finding that more time spent on such activities is associated with higher scores. This does not necessarily imply causation (choices A and B), nor does it suggest a negative relationship (choice D).

A Researcher Measures the Amount of Time Older Adults Spend