Psychological Processes Underlying an Omnivorous, Vegetarian, or Vegan Diet: Gender Role Self-Concept, Human Supremacy Beliefs, and Moral Disengagement from Meat

Magdalena Weber and Marlene Kollmayer
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Magdalena Weber: Department of Developmental and Educational Psychology, Faculty of Psychology, University of Vienna, 1010 Vienna, Austria
Marlene Kollmayer: Department of Developmental and Educational Psychology, Faculty of Psychology, University of Vienna, 1010 Vienna, Austria

Sustainability, 2022, vol. 14, issue 14, 1-22

Abstract: Most people consume meat regularly but simultaneously claim to be animal lovers, which should lead to a state of cognitive dissonance and cause distress. Against this backdrop, it is important to understand why some people decide to stop consuming meat or completely eschew animal products, while others do not. Research has shown gender and self-regulatory mechanisms as important factors, but the underlying psychological processes require further examination. In total, 3259 vegans, vegetarians, and omnivores completed an online questionnaire about their diet, gender role self-concept, moral disengagement from meat consumption, and human supremacy beliefs. The results showed that male vegans described themselves as more feminine but no less masculine than male omnivores, while no such differences were found in women. Furthermore, omnivores reported the highest moral disengagement from meat consumption, followed by vegetarians and vegans. The same was true of human supremacy beliefs. Moreover, the results showed that not only is diet itself related to differences in human supremacy beliefs but also the motives for this diet, with health and environmental motives being associated with stronger human supremacy beliefs than animal-related motives. These findings present practical implications for animal rights activists, marketing, and the health and education sectors.

Keywords: diets; gender role self-concept; human supremacy; masculinity; meat paradox; moral disengagement (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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