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Blazej Mrozinski
PL

SWPS University

Assistant Professor, Department of Research Methodology in Psychology Academia english.swps.pl

SWPS University is my academic home. I joined the Department of Research Methodology in Psychology in 2006 and am now an Assistant Professor there. I also earned my MSc, my PhD in psychology (social cognition) and a postgraduate diploma in UX design at SWPS.

The Experimental Psychology Laboratory

From 2010 to 2024 I directed the department’s Experimental Psychology Laboratory. That meant supporting experimental research across the department, setting standards of methodological rigor, and helping students and researchers turn broad interests into studies with defensible designs. Ideas had to survive contact with data before they could be called findings.

Teaching

I teach advanced research methods, psychometric assessment (including classical test theory, item response theory and confirmatory factor analysis), data analysis and R programming. The emphasis is applied: how to design a study that supports its conclusions, how to build an instrument that works, and how to choose an analysis that fits the question. I also supervise master’s theses as promotor in the seminar “Człowiek i praca w erze cyfrowej” (Humans and Work in the Digital Era).

Psychometric tool development is the direct bridge to my commercial work. The discipline that goes into a well-validated research scale goes into the assessments I design at Gyfted and the job-evaluation methodology at legitnyhr.

Research

My research covers social cognition, self-concept, cognitive accessibility and intergroup processes, together with methodological work on measurement and on analyzing messy behavioral data. It has appeared in journals including Journal of Personality and Social Psychology, Self and Identity, Frontiers in Psychology and Personality and Individual Differences, with funding from Poland’s National Science Centre (NCN Maestro and OPUS) and the National Centre for Research and Development (NCBR). Current work includes methods tutorials on count data and dynamic structural equation modeling. The full list is on the publications page.

Academia taught me to define constructs carefully, slow down before drawing conclusions, and distrust elegant stories the data does not support. Everything else on this site is built on that habit.