Behavioral and physiological response to the presence of a friendly or neutral person in two types of stressful situations.
D000339:Affect; D001143:Arousal; D001722:Birth Order; D004597:Electroshock; D005239:Fear; D005712:Galvanic Skin Response; D006339:Heart Rate; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D012919:Social Behavior; D013315:Stress, Psychological