Instructional demand in a behavioral avoidance test for claustrophobic fears.
D000293:Adolescent; D000328:Adult; D001007:Anxiety; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D010698:Phobic Disorders / Q000175:diagnosis*; D011581:Psychological Tests; D012119:Respiration; D012649:Self Concept; D014705:Verbal Behavior