Bio

I’m Marjan Bakker and I’m an assistant professor at the Methods and Statistics department at Tilburg University. I want to improve science by investigating problems and possible solutions. I’m interested in reporting errors, the use of questionable research practices, statistical power, outliers in data, publication bias, and preregistration. Currently, I’m mainly working on some larger projects on preregistration and on a project to replicate Mahoney’s seminal study on publication bias (for which we got a NWO replication grant).

I also teach courses on regression analysis to psychology students (bachelor) and multilevel analysis to students from the research master and I like to work together with researchers from other departments.

Courses

Recent publications

  1. Selective hypothesis reporting in psychology: - Comparing preregistra…

    Akker, O. V. D., Assen, M. A. L. M. V., Enting, M., Jonge, M. D., Ong, H. H., Rüffer, F. F., Schoenmakers, M., Stoevenbelt, A. H., Wicherts, J. M., & Bakker, M. (2022). Selective hypothesis reporting in psychology: Comparing preregistrations and corresponding publications. MetaArXiv Preprints.
  2. The meta-plot - A graphical tool for interpreting the results of a me…

    Assen, M. A. L. M. V., Akker, O. V. D., Augusteijn, H. E. M., Bakker, M., Nuijten, M. B., Olsson-Collentine, A., Stoevenbelt, A. H., Wicherts, J. M., & Aert, R. C. M. V. (2022). The meta-plot: A graphical tool for interpreting the results of a meta-analysis. PsyArXiv Preprints.
  3. The association between suicide-related media coverage and suicide - …

    Hofstra, E., Bakker, M., Diepstraten, C. A. M., van Nieuwenhuizen, C., & van der Feltz-Cornelis, C. M. (2022). The association between suicide-related media coverage and suicide: A cross-sectional observational study. Archives of Suicide Research, 26(3), 1094-1107.
  4. In what ways does health related stigma affect sustainable employment…

    Van Beukering, I. E., Smits, S. J. C., Janssens, K. M. E., Bogaers, R. I., Joosen, M. C. W., Bakker, M., Van Weeghel, J., & Brouwers, E. P. M. (2022). In what ways does health related stigma affect sustainable employment and well-being at work? A systematic review. Journal of Occupational Rehabilitation, 32(3), 365-379.
  5. Expectations of mental illness disclosure outcomes in the work contex…

    van Beukering, I. E., Bakker, M., Corrigan, P. W., Gürbüz, S., Bogaers, R. I., Janssens, K. M. E., Joosen, M. C. W., & Brouwers, E. P. M. (2022). Expectations of mental illness disclosure outcomes in the work context: A cross-sectional study among Dutch workers. Journal of Occupational Rehabilitation, 32(4), 652-663.

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