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Samuel Klein, Ph.D.

Despite the obvious sophistication of the mind, we often find ourselves entangled in a web of misjudgments, overgeneralizations, and discriminatory acts. Why does our mental machinery, which works so well so often, also frequently lead us astray in the social world? And why, given our mental prowess, are our thoughts and behaviors swayed by so many features of our environment that may be irrelevant to our goals, like the cues that highlight our broadly shared identities or those that highlight our differences?
 

To understand how people think about each other, I measure both the information we use and the processes by which we use it to derive impressions and evaluations of others, and the decisions that follow. I am especially interested in how contexts shape which information we use and how we use it. My work relies on a diverse toolkit of computational models, behavioral paradigms, and data sources.

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Publications

Klein, S. A. W. & Sherman, J. W. (in press). Measuring the Impact of Multiple Social Cues to Drive Theoretical Advancement in Person Perception Research. Psychological Review
 
Klein, S. A. W. & Todd, A. R. (2024). Emotion expression salience and racially biased weapon identification: a diffusion modeling approach. Psychonomic Bulletin & Review
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Calanchini, J., Schmidt, K., Sherman, J. W., & Klein, S. A. (2022). The contributions of positive outgroup and negative ingroup evaluation to implicit bias favoring outgroups. Proceedings of the National Academy of Sciences
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Klein, S. A., & Sherman, J. W. (2022). Measuring and modeling implicit cognition. The Routledge Handbook of Philosophy and Implicit Cognition
Sherman, J. W., & Klein, S. A. (2021). The four deadly sins of implicit attitude research. Frontiers in Psychology
Klein, S. A., Hutchings, R. J., & Todd, A. R. (2021). Revising mental representations of faces based on new diagnostic information. Cognition
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A Cognitive Atlas of Bias

The largest decomposition of implicit bias data: ~1 billion IAT responses, 6 attitude domains, >16 years, >8 demographics
Multinomial processing trees were used to examine the expression of prejudice in society

Salient Cues Shift

Decision Processes

Noticing race information can bias decisions-making,
like weapon identification
Hierarchical diffusion modeling was used to examine the mechanism by which salient emotion (vs. race) information alters racially biased
weapon identification

Are You Interested In Social Cognition?

Join the Social Cognition Meetup, a monthly meeting between a growing number of early-career researchers interested in social cognition 

SCM hosts talks for members to receive feedback on research at various stages of the research pipeline, discussions on the latest innovations and trends in the field, and invited talks from more senior researchers

Interested in joining or giving a talk to this group of rising stars?

Email either me or Bastian Weitz

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