Iris Traast (@ITraast) profile picture

Iris Traast

@ITraast

PhD candidate @ Social Psychology Department UvA

 Amsterdam, Netherlands
Joined September 2019
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  • Following111
  • Followers66
🚨 Excited to share our paper "Race Effects on Impression Formation in Social Interaction: An Instrumental Learning Account" in Journal of Experimental Psychology: General (w. @DSchultner, Bertjan Doosje & @david_m_amodio)! psycnet.apa.org/fulltext/202…
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🚨Excited to share a new preprint (w. @Dschultner, Bertjan Doosje & @david_m_amodio)! We found that race of interaction partner influences impressions we form of people through direct social interactions. psyarxiv.com/3j2rm More info below 🧵
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Now out in JEP:G! psycnet.apa.org/fulltext/202…
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9/10 In sum: race influences impression formation in direct social interaction, especially in people with low internal motivation, and people with high prejudice. This effect is due to racial bias in initial interaction expectancies as well as in the updating process.
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10/10 Together, these findings identify a social-interactive mode of prejudice formation that occurs through repeated interaction and is expressed most directly in behavior, complementing existing models of passive forms of prejudice formation and effects on cognition or affect.
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⛳ Beyond excited to share our new preprint, in which we show how social biases can be acquired through social learning! (with @B_Lindstroem, @profcikara, and @david_m_amodio). Link: psyarxiv.com/7ec3u 🧵 Key findings below 🧵
Image from David Schultner (@DSchultner)
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If you are attending #ICPS2023 in Brussels this week, please come by and check out our poster presentations on race effects on, observational learning of, and moralized stereotypes on social preferences. @DSchultner @ITraast @david_m_amodio
Image from Inga Rösler (@IngaRoesler)
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Thinking about going to EASP 2023? We (@TjitsvanLent and I) are submitting a symposium on (reinforcement) learning and prejudice for EASP. We're still looking for 1 or possibly 2 researcher(s) interested to join. Please contact me if you are interested! @easp2020krk
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Thurs, 11:45 Iris Traast: "Behavioral choice preferences favor minorities despite anti-minority attitudes" @ITraast shows how race affects how we learn about people in direct, reward-based interactions, and how this relates to implicit and explicit racial attitudes
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New 2-yr postdoc in my lab at the University of Amsterdam! The project studies how prejudice forms and spreads in both people and machines, using social psych, learning & memory, and computational/AI approaches. Details: bit.ly/3xXUqnr Please RT! DM any questions!
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Very excited for my first poster presentation at #SPSP21 later today! [Fr-629] How Does Race Affect Reinforcement Learning through Direct Social Interaction? Iris J Traast, David T Schultner, Bertjan (E.J.) Doosje, David M Amodio Come check it out 3:30-4:30 PM EST!
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Iris’s work tested the effect of race on social reinforcement learning. Despite anti-Moroccan attitudes, White Dutch participants often chose Moroccan over Dutch players in money sharing game (to avoid appearing biased?) and, in the process, formed preferences for these players
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