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2023
Rogoza, R., Zajenkowski, M., Di Sarno, M., Flakus, M., Baran, L., Di Pierro, R., … & Fatfouta, R. (2023). I feel smart today! A daily diary study on narcissism and self-assessed intelligence. European Journal of Personality. PDF 
Gignac, G. E., Jones, C., Mason, N., Yuen, I., & Zajenkowski, M. (2023). Predicting attitudes toward cryptocurrencies and stocks: The divergent roles of narcissism, intelligence and financial literacy. Personality and Individual Differences, 215, 112382. PDF
Zajenkowski, M., Gignac, G. E., Rogoza, R., Górniak, J., Maciantowicz, O., Leniarska, M., Jonason, P.K., & Jankowski, K. S. (2023). Ego-Boosting Hormone: Self-Reported and Blood-Based Testosterone Are Associated With Higher Narcissism. Psychological Science, 34(9), 1024-1032. PDF
Zajenkowski, M., Gignac, G. E., Leniarska, M., Turek, A., & Czepiel, Z. (2023). I’m smart, you’re dumb! Narcissistic admiration and rivalry correlate with self-and other-assessed intelligence. Personality and Individual Differences, 211, 112248. PDF
Styła, R., & Zajenkowski, M. (2023). Time perspective and working memory impairments among persons diagnosed with schizophrenia. Personality and Individual Differences, 210, 112215. Journal page 
Buczyński, M., Chlebus, M., Kopczewska, K., & Zajenkowski, M. (2023). Financial Time Series Models – Comprehensive Review of Deep Learning Approaches and Practical Recommendations. Engineering Proceedings, 39(1), 79. PDF
Maciantowicz, O., Marchlewska, M., Rogoza, M., Molenda, Z., Rogoza, R., & Witke, D. (2023). More identified so less envious? On the links between different types of national identity and in-group envy. The Journal of Social Psychology, 1-7. PDF
Gignac, G. E., & Zajenkowski, M. (2023). Intelligent grandiose narcissists are less likely to exhibit narcissistic rivalry. Personality and Individual Differences, 209, 112212. PDF
Gorgol, J., Łowicki, P., & Stolarski, M. (2023). Godless owls, devout larks: Religiosity and conscientiousness are associated with morning preference and (partly) explain its effects on life satisfaction. Plos one, 18(5), e0284787. PDF
Szymaniak, K., Zajenkowski, M., Fronczyk, K., Leung, S., & Harmon-Jones, E. (2023). Trait anger and approach motivation are related to higher endorsement of specific and generic conspiracy beliefs. Journal of Research in Personality, 104, 104374. PDF
Leniarska, M., Zajenkowski, M., Rogoza, R., & Fatfouta, R. (2023). Do communal narcissists care about intelligence? Associations with high self-assessed and low objective intelligence. Personality and Individual Differences, 207, 112153. Journal page
Balcerowska, J. M., Sawicki, A., Brailovskaia, J., & Zajenkowski, M. (2023). Different aspects of narcissism and Social Networking Sites addiction in Poland and Germany: The mediating role of positive and negative reinforcement expectancies. Personality and Individual Differences, 207, 112172. PDF
Zajenkowska, A., Wiśniewska, D., Leniarska, M., Jasielska, D., Bodecka, M., Zajenkowski, M., Kaźmierczak, I., Klimiuk, J., Niemczyk, L., Pinkham, A. E. (2023). Predictors of depressive symptoms among hospitalized COVID-19 patients with respiratory problems. Psychology, Health & Medicine, 28(5), 1288-1297. Journal page
Gignac, G. E., & Zajenkowski, M. (2023). Still no Dunning-Kruger effect: A reply to Hiller. Intelligence, 97, 101733. Journal page