Experimenter effects on the physiological experiment.
D005712:Galvanic Skin Response; D006339:Heart Rate; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D010467:Perceptual Defense; D011930:Reaction Time; D012718:Set, Psychology; D012938:Social Perception; D014666:Vasomotor System; D014796:Visual Perception