In a well-known experiment, Diven recorded changes in the resistance of the skin of the hand produced by the reflex secretion of sweat which is often a conspicuous feature of an emotional reaction. Diven used a list of words as verbal stimuli, and his subjects received an electric shock whenever certain words occurred. If a shock followed the stimulus word barn, the word eventually produced an emotional response, and this was extended to other rural words. (p. 155)
