Interrelationships between human classical differential electrodermal conditioning, orienting reaction, responsivity, and awareness of stimulus contingencies.

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ABSTRACTThe main purpose of studying the interrelationships listed in the title was to examine the orienting‐reaction (OR) and cognitive (awareness) interpretations of differential electrodermal conditioning (DEC). The method was to perform correlational analyses on the data obtained from three DEC experiments (N = 32, 40, and 32, respectively) which together provided variations in such factors as the CS‐US interval, and the sensitivity of the awareness measure of subjective contingency (SC). Following Zeiner and Schell (1971), the OR and responsivity measures were obtained, respectively, from preliminary CS+ trials (tone and light) to‐be‐paired with the US and from US (shock) trials. The results clearly disconfirmed the cognitive interpretation, since SC was not correlated either with DEC or with OR in any of the experiments. The OR interpretation received some support, but could handle the following aspects of the results only with difficulty: (a) some significant correlations of responsivity with DEC; (b) the fact that the apparently large OR‐DEC correlations were reduced when statistical control (through partial correlations) was imposed for the influence of consistent individual differences in responding to the CS+ and CS‐ stimuli before any conditioning had taken place; (c) the fact that when these individual differences were not significantly present (in Exp. III), the OR‐DEC correlation was also not significant. It was noted that the first aspect supported an S‐R, contiguity‐reinforcement account of DEC, an account which differs from the cognitive and OR interpretations inasmuch as it does not attempt to reduce DEC to some other process.