Cognitive and personality correlates of trait disgust and their relationship to condemnation of nonpurity moral transgressions

Past research has found that individuals who are more sensitive to physically disgusting stimuli also condemn moral transgressions more harshly. However, there is debate about whether this condemnation includes transgressions that do not involve impure behaviors. We present a meta-Analysis of 6 studies (N - 1082) which suggests that trait disgust is associated with condemnation of nonpurity transgressions. This relationship was primarily explained by sensitivity toward the very core disgust stimuli that those transgressions lack. We next tested whether this relationship might be mediated by a third variable. We found that trait core disgust was associated with higher orderliness, lower deviance sensitivity, and preference for intuitive thinking; these variables also correlated with moral condemnation. Trait disgust was also associated with lower generalized social trust, but trust was not correlated with moral condemnation. Neither trait disgust nor moral condemnation were associated with ethnocentrism. Further, none of these variables mediated the relationship between trait disgust and condemnation. Taken together, our results support a role for trait disgust in moral judgments outside of the purity domain, but leave unexplained its association with condemnation of nonpurity transgressions

The multidimensional nature of food neophobia

People vary in their willingness to try new foods. This variation, which is most frequently measured using the Food Neophobia Scale (FNS; Pliner & Hobden, 1992), has been interpreted as unidimensional. In four studies (N's = 210, 306, 160, and 161), we 1) demonstrate that food neophobia varies across meat and plant dimensions, 2) explore the validity of a measure of meat and plant neophobia, and 3) test whether these food neophobia dimensions predict decisions to eat a novel food item (i.e., a snack bar that contains insects). Mixed-effects model across the four studies indicated that the two dimensions differentially relate to a number of variables, including disgust sensitivity, animal empathy, and masculinity. Women scored higher on meat neophobia than men, but the sexes did not differ on plant neophobia. Only meat neophobia uniquely predicted eating a novel insect-based snack bar. Overall, these results extend knowledge regarding orientations toward novel foods

Sex, Drugs, and Genes: Illuminating the Moral Condemnation of Recreational Drugs

Over the past decade, evolutionary psychologists have proposed that many moral stances function to promote self-interests. At the same time, behavioral geneticists have demonstrated that many moral stances have genetic bases. We integrated these perspectives by examining how moral condemnation of recreational drug use relates to sexual strategy (i.e., being more vs. less open to sex outside of a committed relationship) in a sample of Finnish twins and siblings (N = 8,118). Twin modeling suggested that genetic factors accounted for 53%, 46%, and 41% of the variance in drug condemnation, sociosexuality, and sexual-disgust sensitivity, respectively. Further, approximately 75% of the phenotypic covariance between drug condemnation and sexual strategy was accounted for by genes, and there was substantial overlap in the genetic effects underlying both drug condemnation and sexual strategy (rg =.41). Results are consistent with the proposal that some moral sentiments are calibrated to promote strategic sexual interests, which arise partially via genetic factors

An orderly personality partially explains the link between trait disgust and political conservatism

Individuals who are more easily disgusted tend to be more politically conservative. Individuals who have a preference for order also tend to be more politically conservative. In the present research, we hypothesised that these three variables are psychologically interrelated. Specifically, trait disgust encourages a generalised search for order, which, in turn, encourages the endorsement of political positions that aim to maintain societal order. Taking an individual differences approach, we operationalised the preference for order via Orderliness, one aspect of the Big Five trait Conscientiousness. Across six samples (total N = 1485), participants completed measures of trait disgust, aspect/trait personality, and political orientation. Analyses revealed that Orderliness was a consistent mediator of the association between trait disgust and conservatism. Analyses of subscales of disgust revealed preliminary evidence that Orderliness most consistently mediated the relationships between Contamination, Pathogen, and Sexual disgust and conservatism. These data suggest that disgust-sensitive people extend their preference for order in the physical environment (e.g. tidying up one's room) to the sociopolitical environment (e.g. strengthening traditional norms). The present findings illustrate one way in which emotional, cognitive, and personality processes work together to influence political orientation

Disgust sensitivity and opposition to immigration: does contact avoidance or resistance to foreign norms explain the relationship?

Past research suggests that pathogen-avoidance motives (e.g., disgust sensitivity) relate to greater opposition to immigration. Two accounts have been proposed to explain this relationship, one of which emphasizes proximally avoiding outgroups, and the other of which emphasizes adherence to traditional norms. According to the former, immigrants are perceived as being more infectious because they carry novel pathogens due to their foreign ecological origins. According to the latter, immigrants' foreign norms are perceived as posing a pathogen threat. This study aimed to disentangle these accounts. Participants (N = 975) were randomly assigned to read a description of an immigrant who had high or low contact with locals and high or low assimilation to local norms. The effect of disgust sensitivity on sentiments toward the immigrant (and immigrants like him) was compared across conditions. Results supported the traditional norms account: disgust sensitivity related to anti-immigrant sentiments when the immigrant was described as not assimilating to local norms, but not when he was described as assimilating. Contrary to the outgroup avoidance account, the relationship between disgust sensitivity and anti-immigrant sentiments did not vary across the high-contact and low-contact conditions. Results suggest that resistance to foreign norms, rather than avoidance of novel pathogens, better explains the relationship between pathogen avoidance and outgroup prejudice