【題組】5. If the optimal cutoff of the anxiety scale = 80, which of the following statement is true?
(A). The proportions of participants with abnormal anxiety scores in both groups are equal
(B). The sensitivity of the he anxiety scale to detect anxiety disorders is high
(C). The proportions of the participants s with abnormal anxiety scores for both groups do not significantly differ
(D). The mean anxiety scale score for the anxiety group is significantly higher than that of the depressive group