Paralinguistic indicator of patient's affect: attitudinal significance of length of communication.
D000293:Adolescent; D000328:Adult; D000339:Affect; D001290:Attitude; D003142:Communication; D006801:Humans; D008297:Male; D001523:Mental Disorders; D009633:Nonverbal Communication; D011369:Professional-Patient Relations; D011613:Psychotherapy