Sanjay SrivastavaSanjay Srivastava

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Email: sanjay AT uoregon

I study how personality affects and is affected by the social environment. In work on interpersonal perception and self-perception, I am interested in what goes into forming an impression of someone – how the mindset of a perceiver, the attributes and behaviors of a person being perceived (like their emotions and personality), and the social context (like status hierarchies) all come together. And I am interested in the functions of interpersonal perception: why do people form impressions at all, and what do they do with that information? In work on emotion processes in social contexts I study how emotions and emotion regulation affect processes of impression formation in the short term, and important social outcomes in the long term. In my work on personality dynamics and development, I am interested in how personality develops across the lifespan, and how it relates to important life experiences. Recently I have also been starting to study personality in online societies, including how people express themselves online and interpret one another’s behavior, and how individual attributes fit into networks at multiple resolutions (egocentric networks, communities, and whole networks). I am also very interested in research methods — how we can adopt new methods to produce new discoveries, and how the practice of science can be improved.

Cory CostelloCory Costello

Email: ccostell AT uoregon

I received my B.A. in Psychology from New College of Florida and my M.A. in Psychology from Wake Forest University. I am broadly interested in person perception and personality development. My primary interests revolve around functional approaches to person perception, the extent to which trait concepts are based on functionally relevant features (i.e., features that affect how the perceiver would/should interact with the target), and how people use trait information when interacting with others (perceiving is for doing!). Other interests include the role of perceived mental states in person perception, the relation between action judgments (e.g., calling an action kind, or dependable, or both) and trait judgments formed about the actor, and the role of values and goals in personality development.

Nicole LawlessNicole Lawless DesJardins

Email: nlawless AT uoregon

I’m interested in what people think about themselves, the impressions they form of others, and how both types of perceptions are shaped by social context. One context I study is the status hierarchy — a social structure that’s both shaped and reinforced by people’s perceptions of one another. In particular, I examine the characteristics of people who tend to attain status in different situations (e.g., when group members compete versus cooperate with one another), and how the stability of the status hierarchy affects the impressions people form of each other. I’m also interested in how multiple observers form consistent (or inconsistent) impressions of a single person. In one such project, I’m examining the extent to which strangers agree about the personalities of social media users.

John FlournoyJohn Flournoy

Email: flournoy AT uoregon

I’m interested in social cognition, its neural underpinnings, and related change dynamics. More specifically, I focus on the interplay between processes involved in self perception and the perception of others (person perception), with an emphasis on examining development and individual differences. In one line of research, I’m working to understand social influences and biological substrates of pro-social and risky decision making during adolescence. A second line of research investigates predictors of change in personality over the lifespan.

Computationally intensive analytic techniques are instrumental for learning about processes of change from large datasets. Tools I employ include multilevel modeling, structural equation modeling, machine learning, and neuroimaging. Beyond my own work, I am dedicated to supporting sound methodology broadly at the University of Oregon — I’m a regular contributor to our local R Club, and a loyal companion of the intrepid Bayesian adventurers. If you’re looking for methods classes, this is a good place to start.


Graduate students

Steve Guglielmo
Karyn Lewis
Kimberly Livingstone
Chiew Ng
Allison Tackman
Jessica Tipsord

Undergraduate honors students

Raoni Demnitz
Tad Falk
John Knorek
Wai Ting (Winnie) Lam
Kathryn Landis
Chiew Ng
Alisha Wimberly
Shawn Vallereux
Adrian Yupanqui

Some of our collaborators


Sara D. Hodges (Psychology)
Jennifer Pfeifer (Psychology)
Reza Rejaie (Computer and Information Science)
Gerard Saucier (Psychology)


Cameron Anderson
Mitja Back
Jennifer S. Beer
Emily A. Butler
Erika Carlson
Adam Cohen
Tammy English
Samuel D. Gosling
James J. Gross 
Ravenna Helson 
Gilad Hirschberger
Oliver P. John 
Ari Malka
Kelly M. McGonigal
Jeff Potter
Maya Tamir
Simine Vazire

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