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Research shows a sharp increase in political polarization over the last two decades. While right-wing authoritarianism has received considerable academic attention, the psychological mechanisms of left-wing authoritarianism remain under-explored. This study used structural equation modeling to empirically test the factors that influence left-wing authoritarianism and its relationship with features of identity politics and psychological distress. Moral foundations theory was used to assess the moral concerns underlying left-wing authoritarianism. Participants from English-speaking countries (52.4% female, aged 18 to 85 years old) were recruited from various political groups on social media. The final sample (N = 299) voluntarily completed an online survey measuring left-wing authoritarianism, psychological distress, moral concerns, need for cognitive closure, and emotional reactivity. The final model explained 53% of the variance in left-wing authoritarianism and demonstrated that psychological distress indirectly affects left-wing authoritarianism through perceived grievance. However, perceived grievance had the strongest direct impact, providing support for the premise that perceived grievance, a feature of identity politics, constitutes a strong positive predictor of left-wing authoritarianism. Additionally, non-hypothesized mediating effects were observed from perceived grievance to the individualizing foundations and left-wing authoritarianism.
Love et al. (Sun,) studied this question.