title: Fifteen years of fear arousal: research on threat appeals: 1953-1968.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001007:Anxiety; D001010:Anxiety, Separation; D001143:Arousal; D001290:Attitude; D002648:Child; D003674:Defense Mechanisms; D003861:Depersonalization; D003863:Depression; D004193:Discrimination Learning; D004644:Emotions; D005239:Fear; D006801:Humans; D008889:Military Personnel; D010551:Personality; D010552:Personality Assessment; D010565:Persuasive Communication; D012919:Social Behavior; D013334:Students