Isabel Thielmann
@isabel-thielmann.bsky.social
Personality psychologist studying prosocial and (un)ethical behavior · Group leader at MPI-CSL (Freiburg) · ERC-StG KNOW-THYSELF · https://csl.mpg.de/research-groups/personality-identity-and-crime
Why do some people engage in deviant or criminal behavior while others do not?
Analyzing 74 personality traits in a large, diverse sample, we show that traits linked to low morality and short-term thinking are especially important for understanding deviance.
doi.org/10.1177/0890... (Open Access)
Analyzing 74 personality traits in a large, diverse sample, we show that traits linked to low morality and short-term thinking are especially important for understanding deviance.
doi.org/10.1177/0890... (Open Access)
The dispositional basis of deviance: A multivariate approach to crime and other deviant acts - Isabel Thielmann, Yngwie Asbjørn Nielsen, Jean-Louis van Gelder, 2026
Why some people engage in criminal and other forms of deviant behavior, whereas others do not, has long been a question of interest in the social and behavioral...
doi.org
January 9, 2026 at 9:21 AM
Why do some people engage in deviant or criminal behavior while others do not?
Analyzing 74 personality traits in a large, diverse sample, we show that traits linked to low morality and short-term thinking are especially important for understanding deviance.
doi.org/10.1177/0890... (Open Access)
Analyzing 74 personality traits in a large, diverse sample, we show that traits linked to low morality and short-term thinking are especially important for understanding deviance.
doi.org/10.1177/0890... (Open Access)
Feeling grateful to work with such a wonderful group of people — a true privilege 😊. Thank you all for another year full of joy, passion for science, and wonderful teamwork. Can’t wait for 2026!
Wrapping up 2025 with a snapshot from our annual Christmas party!🎄
Grateful for a year of shared curiosity, collaboration, and great fun doing research. 😊 On to the next!
Grateful for a year of shared curiosity, collaboration, and great fun doing research. 😊 On to the next!
December 30, 2025 at 7:26 PM
Feeling grateful to work with such a wonderful group of people — a true privilege 😊. Thank you all for another year full of joy, passion for science, and wonderful teamwork. Can’t wait for 2026!
Reposted by Isabel Thielmann
📄 So happy to finally see this paper in print!
TL;DR: Altruism and Parochialism can be (and should always be) measured independent of each other.
Personal take-away: never forget that results from Western samples don't automatically generalize! (Here,A&P are correlated in DEU&USA, but not in ETH.)
TL;DR: Altruism and Parochialism can be (and should always be) measured independent of each other.
Personal take-away: never forget that results from Western samples don't automatically generalize! (Here,A&P are correlated in DEU&USA, but not in ETH.)
🚨NEW PUBLICATION🚨 in @cp-iscience.bsky.social l together with @lukeglowacki.bsky.social, @hannesrusch.bsky.social and Isabel Thielmann: “Untangling altruism and parochialism in human intergroup conflict” doi.org/10.1016/j.is... (1/7)
November 28, 2025 at 12:26 PM
📄 So happy to finally see this paper in print!
TL;DR: Altruism and Parochialism can be (and should always be) measured independent of each other.
Personal take-away: never forget that results from Western samples don't automatically generalize! (Here,A&P are correlated in DEU&USA, but not in ETH.)
TL;DR: Altruism and Parochialism can be (and should always be) measured independent of each other.
Personal take-away: never forget that results from Western samples don't automatically generalize! (Here,A&P are correlated in DEU&USA, but not in ETH.)