Browsing by Subject "POLYNOMIAL REGRESSION"

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  • Celikkol, Göksu; Jasinskaja-Lahti, Inga; Renvik, Tuuli Anna; Vetik, Raivo; Sam, David Lackland (2021)
    Purpose: By utilizing data from Estonia, Finland, and Norway, this study explores how the perceptions of personal and group realistic threats, namely perceived ethnic discrimination and economic insecurity among national majorities, predict their unwillingness to confront injustice on behalf of Russian-speaking minority groups. Background: Previous research on collective action to promote minorities' rights and social standing has focused either on minorities' own actions or factors promoting the willingness of majority group members to engage in collective action on behalf of minorities. In contrast, factors explaining the reluctance of majority group members to engage in collective action on behalf of minority groups have remained less explored. For example, studies have then ignored that the majority members may also feel threatened and may be economically insecure. Furthermore, the possible discrepancy between perceived personal vs. in-group's situation may influence majority group members' (un)willingness to confront injustice on behalf of a minority group. Method: We employed polynomial regression with response surface analysis to analyze data gathered among national majority members in three countries (N = 1,341). Results: Perceived personal and group realistic threats were associated with heightened unwillingness to confront injustice on behalf of the Russian-speaking minority. Furthermore, participants were more unwilling to confront injustice when they perceived more group than personal threat. Conclusion: We found that majority group members' (un)willingness to confront injustice on behalf of the minority is related to how secure they perceive their own and their group status. Our results contribute to previous research by pointing out the important drawbacks of majorities' support for minorities' wish for social change.
  • Ilmarinen, Ville-Juhani; Vainikainen, Mari-Pauliina; Verkasalo, Markku Johannes; Lonnqvist, Jan-Erik (2017)
    Even though homophily (love of the same) is often thought of as a standard feature of friendships, the empirical evidence for attraction based on personality trait similarity is mixed at best. One reason for the inconsistent findings across studies could be variation in the large-scale social environment in which the studies have been conducted. We investigated whether diversity in the everyday social ecologies of 7- to 8-year-old children (N=549) moderates whether friendships are formed on the basis of similar personality traits and similar levels of Cognitive ability. Moderated polynomial regression and response surface analyses showed that classroom size moderated homophily based on Openness to Experience: children similar in Openness were more likely to form friendship ties, but only in larger classrooms. Moreover, we found homophily for Cognitive ability, especially among girls. The results for Openness and Cognitive ability were independent of each other. We discuss the social relevance of trait Openness and the notion that capacity to reciprocate underlies homophily based on Cognitive ability. Copyright (c) 2017 European Association of Personality Psychology