Ron Dotsch
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View article: Ideological beliefs as cues to exploitation-exploration behavior
Ideological beliefs as cues to exploitation-exploration behavior Open
We argue that one reason why people consider others’ ideological beliefs (i.e., progressive vs. conservative) is that people profit by predicting others’ exploration behavior from their beliefs. Eight experiments confirmed that people more…
View article: USE: Dynamic User Modeling with Stateful Sequence Models
USE: Dynamic User Modeling with Stateful Sequence Models Open
User embeddings play a crucial role in user engagement forecasting and personalized services. Recent advances in sequence modeling have sparked interest in learning user embeddings from behavioral data. Yet behavior-based user embedding le…
View article: A Sequential Sampling Approach to the Integration of Habits and Goals
A Sequential Sampling Approach to the Integration of Habits and Goals Open
Habits often conflict with goal-directed behaviors and this phenomenon continues to attract interests from neuroscientists, experimental psychologists, and applied health psychologists. Recent computational models explain habit-goal confli…
View article: General-Purpose User Modeling with Behavioral Logs: A Snapchat Case Study
General-Purpose User Modeling with Behavioral Logs: A Snapchat Case Study Open
Learning general-purpose user representations based on user behavioral logs is an increasingly popular user modeling approach. It benefits from easily available, privacy-friendly yet expressive data, and does not require extensive re-tunin…
View article: Cultural Differences in Friendship Network Behaviors: A Snapchat Case Study
Cultural Differences in Friendship Network Behaviors: A Snapchat Case Study Open
Culture shapes people's behavior, both online and offline. Surprisingly, there is sparse research on how cultural context affects network formation and content consumption on social media. We analyzed the friendship networks and dyadic rel…
View article: Reciprocity, Homophily, and Social Network Effects in Pictorial Communication: A Case Study of Bitmoji Stickers
Reciprocity, Homophily, and Social Network Effects in Pictorial Communication: A Case Study of Bitmoji Stickers Open
Pictorial emojis and stickers are commonly used in online social networking to facilitate and aid communications. We delve into the use of Bitmoji stickers, a highly expressive form of pictorial communication using avatars resembling actua…
View article: The attentional cost of comparisons: Evidence for a general comparison induced delay
The attentional cost of comparisons: Evidence for a general comparison induced delay Open
The current work aimed to uncover the pattern of attention given to external comparison standards when engaged in social judgments. In a series of 5 experiments (N = 463), a Modified Spatial Cueing Task provided evidence for a general Comp…
View article: A Sequential Sampling Approach to the Integration of Habits and Goals
A Sequential Sampling Approach to the Integration of Habits and Goals Open
Habits often conflict with goal-directed behaviors and this phenomenon continues to attract interests from neuroscientists, experimental psychologists, and applied health psychologists. Recent computational models explain habit-goal confli…
View article: Evidence of Validity for a Newly Developed Digital Cognitive Test Battery
Evidence of Validity for a Newly Developed Digital Cognitive Test Battery Open
Clinical practice still relies heavily on traditional paper-and-pencil testing to assess a patient's cognitive functions. Digital technology has the potential to be an efficient and powerful alternative, but for many of the existing digita…
View article: Did you see it? Robust individual differences in the speed with which meaningful visual stimuli break suppression
Did you see it? Robust individual differences in the speed with which meaningful visual stimuli break suppression Open
Perceptual conscious experiences result from non-conscious processes that precede them. We document a new characteristic of the human cognitive system: the speed with which the non-conscious processes prioritize percepts to conscious exper…
View article: Assimilation and Contrast in Spontaneous Comparisons: Heterogeneous Effects of Standard Extremity in Facial Evaluations
Assimilation and Contrast in Spontaneous Comparisons: Heterogeneous Effects of Standard Extremity in Facial Evaluations Open
Judgments we make about others often depend on the standards we use as comparisons. Investigations into the outcomes of these comparisons and potential moderators have often been limited to single dimensions and preselected standards. The …
View article: Background Hardly Matters: Understanding Personality Attribution in Deep Residual Networks
Background Hardly Matters: Understanding Personality Attribution in Deep Residual Networks Open
Perceived personality traits attributed to an individual do not have to correspond to their actual personality traits and may be determined in part by the context in which one encounters a person. These apparent traits determine, to a larg…
View article: Contributions of shape and reflectance information to social judgments from faces
Contributions of shape and reflectance information to social judgments from faces Open
(Accepted as Oh, Dotsch, Todorov. Vision Research 2019)Face perception is based on both shape and reflectance information. However, we know little about the relative contribution of these kinds of information to social judgments of faces. …
View article: Good to Bad or Bad to Bad? What is the relationship between valence and the trait content of the Big Two?
Good to Bad or Bad to Bad? What is the relationship between valence and the trait content of the Big Two? Open
In this article we directly assessed the relationship between valence and relevant traits of the Big Two dimensions (i.e., communion and agency). Drawing on previous research, we expected that the relationship with valence would be less mo…
View article: Gender biases in impressions from faces: Empirical studies and computational models.
Gender biases in impressions from faces: Empirical studies and computational models. Open
Impressions from faces are consequential, shaping important social outcomes. Prior studies of first impressions have shown that these impressions are highly correlated with each other and that a simple dimensional space – evaluation on per…
View article: Supplemental Material for Gender Biases in Impressions From Faces: Empirical Studies and Computational Models
Supplemental Material for Gender Biases in Impressions From Faces: Empirical Studies and Computational Models Open
When summarizing and visualizing the results of the orthogonal PCAs in Studies 1a and 1b, we followed the Kaiser rule: For both male and female faces, we reported the first two components, i.e., PC1 and PC2, because they had eigenvalues bi…
View article: Quantifying the informational value of classification images
Quantifying the informational value of classification images Open
Reverse correlation is an influential psychophysical paradigm that uses a participant's responses to randomly varying images to build a classification image (CI), which is commonly interpreted as a visualization of the participant's mental…
View article: Dominance and competence face to face: Dissociations obtained with a reverse correlation approach
Dominance and competence face to face: Dissociations obtained with a reverse correlation approach Open
The article explores whether the traits representing the dimensions underlying the structure of facial and non‐facial impressions are similarly mapped in the face space. Two studies examine whether the trustworthiness‐by‐dominance and the …
View article: Visualizing mental representations in schizophrenia patients: a reverse correlation approach
Visualizing mental representations in schizophrenia patients: a reverse correlation approach Open
Introduction: Schizophrenia patients have difficulties recognizing emotional states from faces, with severe consequences for daily life. What do these patients see in their minds eye, when they think of a face expressing a particular emoti…
View article: Emotion Algebra reveals the richness of meanings of facial expressions
Emotion Algebra reveals the richness of meanings of facial expressions Open
Studies of emotional facial expressions generally reveal consensus among human participants about the social meanings of only six to fifteen basic expressions. Here we argue that perceivers use sequences of these expressions as the basis f…
View article: F59. VISUALIZING MENTAL REPRESENTATION OF TRUSTWORTHY FACES IN SCHIZOPHRENIA
F59. VISUALIZING MENTAL REPRESENTATION OF TRUSTWORTHY FACES IN SCHIZOPHRENIA Open
The ability to perceive, recognize and process own and others’ emotions is crucial for efficient and effective social communication. Many different tasks have been used to investigate impairments herein in patients with schizophrenia. Evid…
View article: Quantifying the informational value of classification images
Quantifying the informational value of classification images Open
Reverse correlation is an influential psychophysical paradigm that uses participant’s responses to randomly varying images to build a Classification Image (CI), which is commonly interpreted as a visualization of a participant’s mental rep…
View article: White Look-Alikes: Mainstream Culture Adoption Makes Immigrants “Look” Phenotypically White
White Look-Alikes: Mainstream Culture Adoption Makes Immigrants “Look” Phenotypically White Open
White Americans generally equate “being American” with “being White.” In six studies, we demonstrate that White Americans perceive immigrants who adopt American mainstream culture as racially White and, reciprocally, perceive White-looking…
View article: Four meanings of “categorization”: A conceptual analysis of research on person perception
Four meanings of “categorization”: A conceptual analysis of research on person perception Open
It is widely assumed that people tend to “categorize” other people. However, the term “categorization” has been used with qualitatively different underlying definitions in the person perception literature. We present a conceptual analysis …