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Dr. rer. nat. Lukasz Stasielowicz

Forschungsmethodik, Diagnostik und Evaluation

Tel.: +49 541 969-7735

Raum: 75/222
Institut für Psychologie
Lise-Meitner-Straße 3
49076 Osnabrück
Sprechzeiten: Nach Vereinbarung (Videotermine auch möglich)


Sommersemester 2024
Forschungskolloquium - Methodenlehre, Sozial- und A+O Psychologie Promotionskolloquium
Prüfungen FDE
Vertiefungsseminar Diagnostik und Methoden (3) (S)
Vertiefungsseminar Diagnostik und Methoden (4) (S)


Academic positions:
Since 10.2018 Postdoctoral associate; Fachgebiet Forschungsmethodik, Diagnostik und Evaluation; Institut für Psychologie; Universität Osnabrück (Prof. Dr. Thomas Staufenbiel)

08.2014-09.2018 Research associate; Fachgebiet Forschungsmethodik, Diagnostik und Evaluation; Institut für Psychologie; Universität Osnabrück (Prof. Dr. Thomas Staufenbiel)

09.2016-09.2017 Statistical consulting for students; Institut für Psychologie; Universität Osnabrück (Prof. Dr. Karsten Müller)

02.2017-04.2017 Statistical consulting; Fachgebiet Pflegewissenschaft; Institut für Gesundheitsforschung und Bildung; Universität Osnabrück (Prof. Dr. Hartmut Remmers)

2011 - 2013 Student research assistant; Lehrstuhl für Entwicklungspsychologie und Pädagogische Psychologie; Institut für Psychologie; EMAU Greifswald (Prof. Dr. Horst Krist)

2014 - 2018 PhD, Psychology (Osnabrück University)
2008 - 2013 Diploma, Psychology (University of Greifswald)
2004 - 2008 Secondary education (Europaschule Deutsch-Polnisches Gymnasium Löcknitz)
2002 - 2008 Secondary education (Zespół Szkół im. Ignacego Łukasiewicza, Police)

Research interests

  • Conspiracy beliefs, deliberate deception etc.
  • Personality psychology
  • Adaptive Performance
  • Meta-analysis
  • Longitudinal studies, multilevel data analysis
  • Bayesian data analysis

Teaching experience

  • Meta-analysis
  • Longitudinal studies
  • Psychological assessment and evaluation
  • Psychological testing
  • Research methods
  • Introduction to SPSS
  • Introduction to R

Websites / Profiles


  • English
  • German
  • Polish
  • Swedish
  • Dutch (basics)
  • Spanish (basics)


  • Grants
    • Canada: Social Sciences and Humanities Research Council of Canada (SSHRC)
  • Books
    • Taylor and Francis
  • Journals
    • Current Psychology
    • European Journal of Work and Organizational Psychology
    • Journal of Occupational and Organizational Psychology
    • Journal of Personality Assessment
    • PCI Registered Reports 
    • Personality and Social Psychology Bulletin
    • Psychological Bulletin
    • Psychological Reports
    • SAGE Open
    • Social Psychological and Personality Science
    • Zeitschrift für Psychologie


Conspiracy theories
Stasielowicz, L. (preprint). Stability of network models linking personality to conspiracy mentality before and during the COVID-19 pandemic.

Stasielowicz, L. (preprint). The effectiveness of interventions addressing conspiracy beliefs: a meta-analysis.

Stasielowicz, L. (2022). A continuous time meta-analysis of the relationship between conspiracy beliefs and individual preventive behavior during the COVID-19 pandemic. Scientific Reports, 12, 11508.

Stasielowicz, L. (2022). Who believes in conspiracy theories? A meta-analysis on personality correlates. Journal of Research in Personality, 98.

Adaptive performance
Stasielowicz, L. (preprint). Development and validation of the Adaptive Performance Situational Judgment Test.

Stasielowicz, L. (preprint). Focus on opportunities and adaptive performance: The importance of distinguishing between subjective and objective performance measures.

Stasielowicz, L. (preprint). The importance of change communication and state motivation when adapting to changes.

Stasielowicz, L. (2022). Adaptive performance in refugees after trauma: How relevant are post-traumatic stress and post-traumatic growth? International Journal of Workplace Health Management, 15(6), 711-727.

Stasielowicz, L. (2020). How important is cognitive ability when adapting to changes? A meta-analysis of the performance adaptation literature. Personality and Individual Differences, 166.  

Stasielowicz, L. (2019). Does ego depletion impair adaptive performance? A longitudinal analysis. Cogent Psychology, 6(1). 

Stasielowicz, L. (2019). Goal orientation and performance adaptation: A meta-analysis. Journal of Research in Personality, 82.

Stasielowicz, L. (2018). Intelligenz, Zielorientierung und Ego-Depletion als Antezedenzien von Adaption: Metaanalytische und experimentelle Befunde [Intelligence, goal orientation, and ego depletion as antecedences of adaption: Meta-analytical and experimental findings]. Dissertation, Osnabrück University.

Aczel, B., Szaszi, B., Clelland, H. T., Kovacs, M., Schulz-Kümpel, H., Holzmeister, F., Nilsonne, G., Hoffmann, S., Kosa, L., Torma, Z. A., Abdelfatah, Y., Aberson, C. N., Acar, O. A. Acem, E., Adamkovic, M., Adamovich, T., Adiasto, K., Ahnström, L., Akil, A. M., … Stasielowicz, L. … Nosek, B. A. Investigating the analytical robustness of the social and behavioural sciences.

Stasielowicz, L., & Staufenbiel, T. (preprint). Validation of the German version of the Multidimensional Workaholism Scale.

Stasielowicz, L., & Staufenbiel, T. (preprint). Validation of the student version of the Multidimensional Workaholism Scale.

Seizer, L., Stasielowicz, L., & Loechner, J. (2024). Timing matters: A meta-analysis on the dynamic effect of stress on salivary immunoglobulin. Brain, Behavior, and Immunity, 19, 734-740.

Heichel, T., Sonsmann, F. K., John, S. M., Krambeck, K., Maurer, J., Nienhaus, A., Nordheider, K., Stasielowicz, L., Wilke, A., & Brans, R. (2022). Effects and acceptance of semipermeable gloves compared to cotton gloves in patients with hand dermatoses: Results of a controlled intervention study. Contact Dermatitis87(2), 176-184.

Symanzik, C., Hillenbrand J., Stasielowicz, L., Greie, J.-C., Friedrich, A. W., Pulz, M., John, S. M., & Esser, J. (2022). Novel insights into pivotal risk factors for rectal carriage of extended-spectrum-β-lactamase-producing enterobacterales within the general population in Lower Saxony, Germany. Journal of Applied Microbiology, 132(4), 3256-3264.

Symanzik, C., Stasielowicz, L., Brans, R., Skudlik, C., & John, S.M. (2022). Prevention of occupational hand eczema in healthcare workers during the COVID-19 pandemic: A controlled intervention study. Contact Dermatitis, 87(6), 500–510.

Gnambs, T., Stasielowicz, L., Wolter, I., & Appel, M. (2020). Do computer games jeopardize educational outcomes? A prospective study on gaming times and academic achievement. Psychology of Popular Media, 9(1), 69–82.

Zimansky, M., Stasielowicz, L., Franke, I., Remmers, H., Friedel, H., & Atzpodien, J. (2020). Effects of implementing a brief family nursing intervention with hospitalized oncology patients and their families in Germany: A quasi-experimental study. Journal of Family Nursing, 26(4), 346-357.

Pre-registrations for ongoing projects

Digital health interventions for children, adolescents and young adults with internalizing mental disorders: A meta-analysis.

Many-analysts project: Gender-inclusive language.

The role of human interaction in digital health interventions for children, adolescents and young adults with mental disorders: A meta-analysis.