Anxiety: a method for scaling its relative magnitude and aversiveness.
D000161:Acoustic Stimulation; D000293:Adolescent; D000328:Adult; D000818:Animals; D001007:Anxiety; D001307:Auditory Perception; D004056:Differential Threshold; D004192:Discrimination, Psychological; D005260:Female; D006801:Humans; D007600:Judgment; D009622:Noise; D010698:Phobic Disorders; D012911:Snakes