Vicarious extinction of avoidance behavior.
D000818:Animals; D001007:Anxiety; D001362:Avoidance Learning; D002675:Child, Preschool; D003213:Conditioning, Psychological; D004285:Dogs; D005108:Extinction, Psychological; D005239:Fear; D005260:Female; D006801:Humans; D008297:Male; D012054:Reinforcement, Psychology