Person: Rodriguez-Sickert, Carlos
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Rodriguez-Sickert
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Carlos
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Publication Evidence of the active participation of women in the intergroup conflict based on the use of aggression and cooperation(2023) Muñoz Reyes, José Antonio; Torrico-Bazoberry, Daniel; Polo Rodrigo, Pablo; Figueroa, Oriana; Guzmán-Lavín, Eugenio; Fajardo, Gabriela; Valenzuela-Martinez, Nohelia T.; Belinchón, Montserrat; Rodriguez-Sickert, Carlos; Pita, MiguelIntergroup conflict has been a persistent aspect of human societies since the emergence of our species. Various researchers have proposed that competition between groups has acted as a key selective force throughout human evolutionary history. Such intergroup competition for limited resources exacerbated the expression of intergroup aggression and intragroup cooperation. Furthermore, it would have a sexual dimorphism, with men demonstrating increased sensitivity to conflict threats—in order to maximize reproductive opportunities—, while women generally reject from active engagement in intergroup conflict. In the present study, we conducted behavioral experiments under controlled laboratory conditions to measure cooperation and aggression from using virtual games, specifically the Public Good Games and the Point Subtraction Aggression Paradigm, in a sample of 541 participants. We created control and experimental intergroup competition scenarios, where aggression and cooperation were necessary to increase monetary rewards. Our results shows that men modulate aggression and cooperation in the presence of intergroup conflict. In addition, our data also reveals that women cooperate more than men and display heightened levels of cooperation and aggression when confronted with intergroup conflict. These findings prompt a reevaluation of current functional theoretical models concerning the role of women in intergroup conflict and suggest that the dynamics of human aggression and cooperation may be more nuanced than previously believed.Publication Attitudes towards migration in a COVID-19 context: testing a behavioral immune system hypothesis with Twitter data(2024) Freire-Vidal, Yerka; Fajardo, Gabriela; Rodriguez-Sickert, Carlos; Graells-Garrido, Eduardo; Muñoz Reyes, José Antonio; Figueroa, OrianaThe COVID-19 outbreak implied many changes in the daily life of most of the world’s population for a long time, prompting severe restrictions on sociality. The Behavioral ImmuneSystem (BIS) suggests that when facing pathogens, a psychological mechanism would be activated that, among other things, would generate an increase in prejudice and discrimination towards marginalized groups, including immigrants. This study aimed to test if people tend to enhance their rejection of minorities and foreign groups under the threat of contagious diseases, using the users’ attitudes towards migrants in Twitter data from Chile, for pre-pandemic and pandemic contexts. Our results appear to be mostly against the BIS hypothesis, with some faint exceptions, since threatened users increased their tweet production in the pandemic period, compared to empathetic users, but the latter grew in number and also increased the reach of their tweets between the two periods. We also found differences in the use of language between these types of users. Alternative explanations for these results may be context-dependent.