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     Lehrveranstaltungen Lebenslauf Publikationen

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
    • Personality and Social Psychology Bulletin
    • Psychological Bulletin
    • Psychological Reports
    • SAGE Open
    • Social Psychological and Personality Science
    • Zeitschrift für Psychologie


Conspiracy theories
Stasielowicz, L. (preprint). The effectiveness of interventions addressing conspiracy beliefs: a meta-analysis. https://doi.org/10.31234/osf.io/6vs5u

Stasielowicz, L. (preprint). Novel insights from applying network models to conspiracy beliefs. https://psyarxiv.com/64ym2

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. https://doi.org/10.1038/s41598-022-15769-4

Stasielowicz, L. (2022). Who believes in conspiracy theories? A meta-analysis on personality correlates. Journal of Research in Personality, 98. https://doi.org/10.1016/j.jrp.2022.104229

Adaptive performance
Stasielowicz, L. (preprint). Focus on opportunities and adaptive performance: The importance of distinguishing between subjective and objective performance measures. https://psyarxiv.com/ph7rq/

Stasielowicz, L. (preprint). The importance of change communication and state motivation when adapting to changes. https://psyarxiv.com/gdqwx/

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. https://doi.org/10.1108/IJWHM-12-2021-0230

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. https://doi.org/10.1016/j.paid.2020.110178  

Stasielowicz, L. (2019). Does ego depletion impair adaptive performance? A longitudinal analysis. Cogent Psychology, 6(1). https://doi.org/10.1080/23311908.2019.1640340 

Stasielowicz, L. (2019). Goal orientation and performance adaptation: A meta-analysis. Journal of Research in Personality, 82.  https://doi.org/10.1016/j.jrp.2019.103847

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. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-20180815511

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. https://doi.org/10.1016/j.bbi.2024.04.039

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. https://doi.org/10.1111/cod.14123

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. https://doi.org/10.1111/jam.15399

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. https://doi.org/10.1111/cod.14206

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. http://dx.doi.org/10.1037/ppm0000204

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. https://doi.org/10.1177/1074840720967022

Pre-registrations for ongoing projects

Digital health interventions for children, adolescents and young adults with internalizing mental disorders: A meta-analysis. https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42023401250

Many-analysts project: Gender-inclusive language. https://doi.org/10.17605/OSF.IO/2VU97

The role of human interaction in digital health interventions for children, adolescents and young adults with mental disorders: A meta-analysis. https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42018103021