Which statement about correlation coefficient rpb (point biserial r), is NOT correct.
Question 10 options:
It is a standard score.
If the X-axis represents a trait variable and the Y-variable are scores, you interpret the relationship between X & Y as association, not causation.
It provides information about the strength of the relationship between a P's score and group membership.
It can never be used to provide information about causation.
Question 10 options:
It is a standard score.
If the X-axis represents a trait variable and the Y-variable are scores, you interpret the relationship between X & Y as association, not causation.
It provides information about the strength of the relationship between a P's score and group membership.
It can never be used to provide information about causation.