Alle Publikationen
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2015
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(2015): Political science. Exposure to ideologically diverse news and opinion on Facebook. In: Science (New York, N.Y.) 348 (6239), S. 1130-1132. DOI: 10.1126/science.aaa1160
DOI: http://www.ncbi.nlm.nih.gov/pubmed/25953820 Abstract: Exposure to news, opinion, and civic information increasingly occurs through social media. How do these online networks influence exposure to perspectives that cut across ideological lines? Using deidentified data, we examined how 10.1 million U.S. Facebook users interact with socially shared news. We directly measured ideological homophily in friend networks and examined the extent to which heterogeneous friends could potentially expose individuals to cross-cutting content. We then quantified the extent to which individuals encounter comparatively more or less diverse content while interacting via Facebook's algorithmically ranked News Feed and further studied users' choices to click through to ideologically discordant content. Compared with algorithmic ranking, individuals' choices played a stronger role in limiting exposure to cross-cutting content.
2011
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(2011): Social distance modulates recipient's fairness consideration in the dictator game. An ERP study. In: Biological psychology 88 (2-3), S. 253-262. DOI: 10.1016/j.biopsycho.2011.08.009
DOI: http://www.ncbi.nlm.nih.gov/pubmed/21889968 Abstract: Previous research showed that social distance (e.g., being friends or strangers) influences people's fairness consideration and other-regarding behavior. However, it is not entirely clear how social distance influences the recipient's evaluation of (un)fair behavior. In this study, we let people play a dictator game in which they received (un)fair offers from either friends or strangers while their brain potentials were recorded. Results showed that the medial frontal negativity (MFN), a component associated with the processing of expectancy violation, was more negative-going in response to unfair than to fair offers from friends whereas it did not show differential responses to offers from strangers. The P300 was more positive for fair than for unfair offers irrespective of friends or strangers making the offers. These results suggest that violation of social norms can be detected at an early stage of evaluative processing and that this detection can be modulated by social distance. zitiert von 66
Keywords: Adult, Analysis of Variance, Biologie, distance, Event-Related Potentials, P300/physiology, Female, Friends/psychology, Frontal Lobe/physiology, Games, Experimental, Humans, Interpersonal Relations, Male, Reward, science direct, Social Distance, Social Values, Verhaltensforschung, Young Adult 2010
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(2010): Creating good relationships: Responsiveness, relationship quality, and interpersonal goals. In: Journal of personality and social psychology 99 (1), S. 78-106. DOI: 10.1037/a0018186
DOI: http://www.ncbi.nlm.nih.gov/pubmed/20565187 Abstract: Perceived partner responsiveness is a core feature of close, satisfying relationships. But how does responsiveness originate? Can people create relationships characterized by high responsiveness and, consequently, higher quality relationships? The authors suggest that goals contribute to cycles of responsiveness between two people, improving relationship quality for both of them. The present studies examine (a) how interpersonal goals initiate responsiveness processes in close relationships, (b) the self-perpetuating nature of these processes, and (c) how responsiveness evolves dynamically over time through both intrapersonal projection and reciprocal interpersonal relationship processes. In a semester-long study of 115 roommate dyads, actors' compassionate and self-image goals predicted a cycle of responsiveness between roommates, occurring within weeks and across the semester. In a 3-week study of 65 roommate dyads, actors' goals again predicted cycles of responsiveness between roommates, which then contributed to both actors' and partners' relationship quality. Results suggest that both projection and reciprocation of responsiveness associated with compassionate goals create upward spirals of responsiveness that ultimately enhance relationship quality for both people.
2008
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(2008): Becoming friends by chance. In: Psychological science 19 (5), S. 439-440. DOI: 10.1111/j.1467-9280.2008.02106.x
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