I use a number of McGinn’s (2011) ideas to identify likely confounds in the induction of incidental disgust as the basis of the moral amplification effect.
CaseT. I.OatenM. J.StevensonR. J. (2012). Disgust and moral judgment. In LangdonR.MackenzieC. (Eds.), Emotions, imagination, and moral reasoning (pp. 195–218). New York, NY: Psychology Press.
DavidB.OlatunjiB. (2011). The effect of disgust conditioning and disgust sensitivity on appraisals of moral transgressions. Personality and Individual Differences, 50, 1142–1146.
4.
GrayK.YoungL.WaytzA. (2012). Mind perception is the essence of morality. Psychological Inquiry, 23, 101–124.
5.
McGinnC. (2011). The meaning of disgust. New York, NY: Oxford University Press.
6.
PizarroD.InbarY.HelionC. (2011). On disgust and moral judgment. Emotion Review, 3, 267–268.
7.
RoyzmanE.BaronJ.GoodwinG. (2014). Is disgust a moralizing emotion? Unpublished manuscript, University of Pennsylvania.
8.
SchnallS.HaidtJ.CloreG. L.JordanA. H. (2008). Disgust as embodied moral judgment. Personality and Social Psychology Bulletin, 34, 1096–1109.
9.
StrohmingerN. (2014). The meaning of disgust: A refutation. Emotion Review, 6, 214–216.