title: An electromyographic study of apprehension about evaluation.
mesh_terms: D000293:Adolescent; D000328:Adult; D001143:Arousal; D001307:Auditory Perception; D004328:Drive; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D011582:Psychological Theory; D012932:Social Facilitation