Columbus, S., Thielmann, I., & Balliet, D. (2019). Situational affordances for prosocial behaviour: On the interaction between Honesty-Humility and (perceived) interdependence. European Journal of Personality, 33(6), 655-673. https://doi.org/10.1002/per.2224

Fischer, M., Twardawski, M., Steindorf, L., & Thielmann, I. (2021). Stockpiling during the COVID-19 pandemic as a real-life social dilemma: A person-situation perspective. Journal of Research in Personality, 91, 104075. https://doi.org/10.1016/j.jrp.2021.104075

Hilbig, B. E., Kieslich, P. J., Henninger, F., Thielmann, I., & Zettler, I. (2018). Lead us (not) into temptation: Testing the motivational mechanisms linking Honesty-Humility to cooperation. European Journal of Personality, 32(2), 116-127. https://doi.org/10.1002/per.2149

Hilbig, B. E., Thielmann, I., Klein, S. A., & Henninger, F. (2016). The two faces of cooperation: On the unique role of HEXACO Agreeableness for forgiveness versus retaliation. Journal of Research in Personality, 64, 69-78. https://doi.org/10.1016/j.jrp.2016.08.004 

Hilbig, B. E., Thielmann, I., Hepp, J., Klein, S. A., & Zettler, I. (2015). From personality to altruistic behavior (and back): Evidence from a double-blind dictator game. Journal of Research in Personality, 55, 46-50. https://doi.org/10.1016/j.jrp.2014.12.004 

Hilbig, B. E., Thielmann, I., Wührl, J. & Zettler, I. (2015). From Honesty-Humility to fair behavior - benevolence or a (blind) fairness norm? Personality and Individual Differences, 80, 91-95. https://doi.org/10.1016/j.paid.2015.02.017

Hilbig, B. E., Thielmann, I., Zettler, I., & Moshagen, M. (2023). The dispositional essence of proactive social preferences: The dark core of personality vis-à-vis 58 traits. Psychological Science, 34(2), 201–220. https://doi.org/10.1177/09567976221116893  

Mischkowski, D., Thielmann, I., & Glöckner, A. (2018). Think it through before making a choice? Processing mode does not influence social mindfulness. Journal of Experimental Social Psychology, 74, 85-97. https://doi.org/10.1016/j.jesp.2017.09.001 

Mischkowski, D., Thielmann, I., & Glöckner, A. (2019). Minimizing inequality versus maximizing joint gains: On the relation between personality traits and different prosocial motivations. Journal of Research in Personality, 81, 153-157. https://doi.org/10.1016/j.jrp.2019.06.001 

Nielsen, Y. A., Thielmann, I., Zettler, I., & Pfattheicher, S. (2022). Sharing money with humans versus computers: On the role of Honesty-Humility and (non-)social preferences. Social Psychological and Personality Science, 13(6), 1058-1068 . https://doi.org/10.1177/19485506211055622

Pfattheicher, S., Nielsen, Y. A., & Thielmann, I. (2022). Prosocial behavior and altruism: A review of concepts and definitions. Current Opinion in Psychology, 44, 124-129. https://doi.org/10.1016/j.copsyc.2021.08.021 

Rau, R., Thielmann, I., Breil, S. M., Geukes, K., Krause, S., Nikoleizig, L., Back, M. D., & Nestler, S. (2020). Do perceiver effects in interpersonal perception predict cooperation in social dilemmas? Collabra: Psychology, 6(1), 35. http://doi.org/10.1525/collabra.332 

Thielmann, I., & Böhm, R. (2016). Who does (not) participate in intergroup conflict? Social Psychological and Personality Science, 7(8), 778-787. https://doi.org/10.1177/1948550616660160 

Thielmann, I., & Hilbig, B. E. (2015). The traits one can trust: Dissecting reciprocity and kindness as determinants of trustworthy behavior. Personality and Social Psychology Bulletin, 41(11), 1523-1536. https://doi.org/10.1177/0146167215600530 

Thielmann, I., & Hilbig, B. E. (2018). Is it all about the money? A re-analysis of the link between Honesty-Humility and Dictator Game giving. Journal of Research in Personality, 76, 1-5. https://doi.org/10.1016/j.jrp.2018.07.002 

Thielmann, I., Hilbig, B. E., & Niedtfeld, I. (2014). Willing to give but not to forgive: Borderline personality features and cooperative behavior. Journal of Personality Disorders, 28(6), 778-795. https://doi.org/10.1521/pedi_2014_28_135

Thielmann, I., Hilbig, B.E., & Zettler, I. (2022). The dispositional basis of human prosociality. Current Opinion in Psychology, 43, 289-294. https://doi.org/10.1016/j.copsyc.2021.08.009 

Thielmann, I., & Pfattheicher, S. (2022). Editorial overview: Current and new directions in the study of prosociality. Current Opinion in Psychology, 47, 101355.  https://doi.org/10.1016/j.copsyc.2022.101355 

Thielmann, I., Spadaro, G., & Balliet, D. (2020). Personality and prosocial behavior: A theoretical framework and meta-analysis. Psychological Bulletin, 146(1), 30–90. https://doi.org/10.1037/bul0000217 

Thielmann, I., Zimmermann, J., Leising, D., & Hilbig, B. E. (2017). Seeing is knowing: On the predictive accuracy of self- and informant reports for prosocial and moral behaviours. European Journal of Personality, 31(4), 404-418. https://doi.org/10.1002/per.2112 

Thielmann, I. (2020). Trust. In V. Zeigler-Hill & T. K. Shackelford (Eds.). Encyclopedia of Personality and Individual Differences (pp. 5582-5585). Cham: Springer. https://doi.org/10.1007/978-3-319-24612-3_561

Thielmann, I., Heck, D. W., & Hilbig, B. E. (2016). Anonymity and incentives: An investigation of techniques to reduce socially desirable responding in the Trust Game. Judgment and Decision Making, 11(5), 527-536. 

Thielmann, I., & Hilbig, B. E. (2014). Trust in me, trust in you: A social projection account of the link between personality, cooperativeness, and trustworthiness expectations. Journal of Research in Personality, 50, 61-65. https://doi.org/10.1016/j.jrp.2014.03.006 

Thielmann, I., & Hilbig, B. E. (2015). Trust: An integrative review from a person-situation perspective. Review of General Psychology, 19(3), 249-277. https://doi.org/10.1037/gpr0000046 

Thielmann, I., & Hilbig, B. E. (2017). Should versus want: On the relative contribution of injunctive norms and preferences on trust decisions. Journal of Behavioral Decision Making, 30(2), 446–452. https://doi.org/10.1002/bdm.1962

Thielmann, I., & Hilbig, B. E. (in press). Generalized dispositional distrust as the common core of populism and conspiracy mentality. Political Psychology. http://doi.org/10.1111/pops.12886 

Henry, S., Thielmann, I., Booth, T., & Mõttus, R. (2022). Test-retest reliability of the HEXACO-100 – and the value of multiple measurements for assessing reliability. PLOS ONE, 17(1), e0262465. https://doi.org/10.1371/journal.pone.0262465 

Horsten, L. K., Thielmann, I., Moshagen, M., Zettler, I., Scholz, D., & Hilbig, B. E. (in press). Testing the equivalence of the aversive core of personality and a blend of Agreeableness(-related) items. Journal of Personality. 

Moshagen, M., Thielmann, I., Hilbig, B. E., & Zettler, I. (2019). Meta-analytic investigations of the HEXACO Personality Inventory(-Revised): Reliability generalization, self-observer agreement, intercorrelations, and relations to demographic variables. Zeitschrift für Psychologie, 227, 186-194. https://doi.org/10.1027/2151-2604/a000377

Thielmann, I., Akrami, N., Babarović, T., Belloch, A., Bergh, R., Chirumbolo, A., ..., Ashton, M. C., & Lee, K. (2020). The HEXACO-100 across 16 languages: A large-scale test of measurement invariance. Journal of Personality Assessment, 102(5), 714-726. https://doi.org/10.1080/00223891.2019.1614011

(Winner of the Walter G. Klopfer Award for the best empirical paper published in the Journal of Personality Assessment in 2020) 

Thielmann, I., & Hilbig, B. E. (2018). Is it all about the money? A re-analysis of the link between Honesty-Humility and Dictator Game giving. Journal of Research in Personality, 76, 1-5. https://doi.org/10.1016/j.jrp.2018.07.002 

Thielmann, I., & Hilbig, B. E. (2019). Nomological consistency: A comprehensive test of the equivalence of different trait indicators for the same constructs. Journal of Personality, 87(3), 715-730. https://doi.org/10.1016/10.1111/jopy.12428 

Thielmann, I., Hilbig, B. E., Zettler, I., & Moshagen, M. (2017). On measuring the sixth basic personality dimension: A comparison between HEXACO Honesty-Humility and Big Six Honesty-Propriety. Assessment, 24(8), 1024-1036. https://doi.org/10.1177/1073191116638411 

Thielmann, I., Moshagen, M., Hilbig, B.E., & Zettler, I. (2022). On the comparability of basic personality models: Meta-analytic correspondence, scope, and orthogonality of the Big Five and HEXACO dimensions. European Journal of Personality, 36(6), 870-900. https://doi.org/10.1177/08902070211026793

Thielmann, I., & Zettler, I. (2020). On the distinction between Honesty-Humility and Agreeableness in the HEXACO model [Invited Commentary]. European Journal of Personality, 34(4), 552-553. https://doi.org/10.1002/per.2284 

Zettler, I.*, Thielmann, I.*, Hilbig, B. E., & Moshagen, M. (2020). The nomological net of the HEXACO model of personality: A large-scale meta-analytic investigation. Perspectives on Psychological Science, 15(3), 723-760. https://doi.org/10.1177/1745691619895036. [*shared first authorship] 

Hilbig, B. E., & Thielmann, I. (2021). On the (mis)use of deception in web-based research: Challenges and recommendations. Zeitschrift für Psychologie, 229(4), 225-229. https://doi.org/10.1027/2151-2604/a000466.

Hilbig, B. E., Thielmann, I., & Böhm, R. (2022). Bending our ethics code: Avoidable deception and its justification in psychological research. European Psychologist, 27, 62-70. https://doi.org/10.1027/1016-9040/a000431 

Lanz, L., Thielmann, I., & Gerpott, F. H. (2022). Are social desirability scales desirable? A meta-analytic test of the validity of social desirability scales in the context of prosocial behavior. Journal of Personality, 90(2), 203-221. https://doi.org/10.1111/jopy.12662 

Leising, D., Thielmann, I., Glöckner, A., Gärtner, A., & Schönbrodt, F. (2022). Ten steps toward a better personality science - A rejoinder to the comments. Personality Science, 3, Article e7961. https://doi.org/10.5964/ps.7961

Leising, D., Thielmann, I., Glöckner, A., Gärtner, A., & Schönbrodt, F. (2022). Ten steps toward a better personality science - How quality may be rewarded more in research evaluation. Personality Science, 3, Article e6029.  https://doi.org/10.5964/ps.6029

Li, R., Thielmann, I., Balliet, D., & De Vries, R. E. (in press).  Development of the Generic Situational Strength (GSS) scale: Measuring situational strength across contexts. In L. R. Ford & T. A. Scandura (Eds.), The SAGE Handbook of Survey Development and Application.

Thielmann, I., Böhm, R., & Hilbig, B. E. (2015). Different games for different motives: Comment on Haesevoets, Folmer, and Van Hiel (2015). European Journal of Personality, 29(4), 506-508. https://doi.org/10.1002/per.2007 

Thielmann, I., Böhm, R., Ott, M., & Hilbig, B. E. (2021). Economic games: An introduction and guide for research. Collabra: Psychology, 7(1), 19004. https://doi.org/10.1525/collabra.19004 

Thielmann, I., Heck, D. W., & Hilbig, B. E. (2016). Anonymity and incentives: An investigation of techniques to reduce socially desirable responding in the Trust Game. Judgment and Decision Making, 11(5), 527-536.