Suppose that research on intelligence and mental illness suggests that at any level of intelligence,the likelihood of being mentally ill or not is 50/50.That is,the correlation between measures of intelligence and mental illness is close to
A) -50.
B) 0.00.
C) +50.
D) +1.00.

Question

Quizplus · Accepted Answer

If the correlation between intelligence and mental illness is 0.00, it means that there is no relationship between the two variables. This would be consistent with the information given in the prompt that the likelihood of being mentally ill or not is equally likely at any level of intelligence. A negative correlation (-50) would suggest that higher levels of intelligence are associated with a lower likelihood of mental illness, while a positive correlation (+50 or +1.00) would suggest the opposite.

Suppose That Research on Intelligence and Mental Illness Suggests That