Publications
Journal articles (peer-reviewed)
Humberg, S., Gerlach, T.M., Franke-Prasse, T., Geukes, K., & Back, M.D. (in press). Is (actual or perceptual) personality similarity associated with attraction in initial romantic encounters? A dyadic response surface analysis. Personality Science. preprint supplemental materials pdf
Nestler, S. & Humberg, S. (in press). Univariate autoregressive structural equation models as mixed-effects models. Structural Equation Modeling: A Multidisciplinary Journal. supplemental materials pdf
Salditt, M., Humberg, S., & Nestler, S. (in press). Gradient tree boosting for hierarchical data. Multivariate Behavioral Research. pdf
Kroencke, L., Humberg, S., Breil, S. M., Geukes, K., Zoppolat, G., Balzarini, R. N., Alonso-Ferres, M., Slatcher, R. B., & Back, M. D. (2023). Extraversion, social interactions, and well-being during the COVID-19 pandemic: Did extraverts really suffer more than introverts? Journal of Personality and Social Psychology, 125(3), 649–679. https://doi.org/10.1037/pspp0000468 preprint supplemental materials pdf
Park, Y., Gordon, A., Humberg, S., Muise, A., & Impett, E. A. (2023). Differing levels of gratitude between romantic partners: Concurrent and longitudinal links with satisfaction and commitment in six dyadic datasets. Personality Science, 4, 1-22. https://doi.org/10.5964/ps.10537 supplemental materials pdf
Förster, N., Humberg, S., Hebbecker, K., Back, M. D., & Souvignier, E. (2022). Should teachers be accurate or (overly) positive? A competitive test of teacher judgment effects on students’ reading progress. Learning and Instruction, 77, 101519. https://doi.org/10.1016/j.learninstruc.2021.101519 supplemental materials pdf
Humberg, S., Dufner, M., Schönbrodt, F. D., Geukes, K., Hutteman, R., van Zalk, M. H. W., Denissen, J. J. A., Nestler, S., & Back, M. D. (2022). The true role that suppressor effects play in condition-based regression analysis: None. A reply to Fiedler (2021). Journal of Personality and Social Psychology, 123(4), 884–888. https://doi.org/10.1037/pspp0000428 preprint supplemental materials pdf
Humberg, S. & Grund, S. (2022). Response surface analysis with missing data. Multivariate Behavioral Research, 57, 581-602. http://doi.org/10.1080/00273171.2021.1884522 supplemental materials pdf
Humberg, S., Schönbrodt, F. D., Back, M. D., & Nestler, S. (2022). Cubic response surface analysis: Investigating asymmetric and level-dependent congruence effects with third-order polynomial models. Psychological Methods, 27(4), 622–649. https://doi.org/10.1037/met0000352 preprint supplemental materials pdf
Nestler, S. & Humberg, S. (2022). A lasso and a regression tree mixed-effect model with random effects for the level, the residual variance, and the autocorrelation. Psychometrika, 87, 506–532. https://doi.org/10.1007/s11336-021-09787-w supplemental materials pdf
Mielke, I., Humberg, S., Leckelt, M., Geukes, K., & Back, M. D. (2021). Do narcissists self-enhance? Disentangling the associations between narcissism and positive versus enhanced self-views across aspects of narcissism, content domains, and comparison criteria. Social Psychological and Personality Science, 12(5), 580–592. https://doi.org/10.1177/1948550620930543 supplemental materials pdf
Nestler, S., & Humberg, S. (2021). GIMME’s ability to recover group-level path coefficients and individual-level path coefficients. Methodology, 17(1), 58-91. https://doi.org/10.5964/meth.2863 supplemental materials pdf
Wieczorek, L.L., Humberg, S., Gerstorf, D., & Wagner, J. (2021). Understanding loneliness in adolescence: A test of competing hypotheses on the interplay of extraversion and neuroticism. International Journal of Environmental Research and Public Health, 18, 1-26. https://doi.org/10.3390/ijerph182312412 supplemental materials open access article pdf
Mota, S., Humberg, S., Krause, S., Fatfouta, R., Geukes, K., Schröder-Abé, M., & Back, M. D. (2020). Unmasking Narcissus: A competitive test of existing hypotheses on (agentic, antagonistic, neurotic, and communal) narcissism and (explicit and implicit) self-esteem across 18 samples. Self and Identity, 19(4), 435–455. http://doi.org/10.1080/15298868.2019.1620012 pdf
Deventer, J., Humberg, S., Lüdtke, O., Nagy, G., Retelsdorf, J., & Wagner, J. (2019). Testing competing hypotheses on the interplay of importance and support of the basic psychological needs at work and personality development with response surface analysis. Collabra: Psychology, 5(1), 39. DOI: http://doi.org/10.1525/collabra.214 supplemental materials open access article pdf
Humberg, S., Dufner, M., Schönbrodt, F. D., Geukes, K., Hutteman, R., Küfner, A. C. P., van Zalk, M. H. W., Denissen, J. J. A., Nestler, S., & Back, M. D. (2019). Is accurate, positive, or inflated self-perception most advantageous for psychological adjustment? A competitive test of key hypotheses. Journal of Personality and Social Psychology, 116(5), 835–859. doi:10.1037/pspp0000204 pdf preprint supplemental materials
Humberg, S., Nestler, S., & Back, M. D. (2019). Response surface analysis in personality and social psychology: Checklist and clarifications for the case of congruence hypotheses. Social Psychological and Personality Science, 10(3), 409–419. doi:10.1177/1948550618757600 pdf preprint supplemental materials
Mota, S., Leckelt, M., Geukes, K., Nestler, S., Humberg, S., Schröder-Abé, M., Schmukle, S. C., Back, M. D. (2019). A comprehensive examination of narcissists’ self-perceived and actual socioemotional cognition ability. Collabra: Psychology, 5(1), 6. DOI: http://doi.org/10.1525/collabra.174 pdf
Nestler, S., Humberg, S., & Schönbrodt, F. D. (2019). Response surface analysis with multilevel data: Illustration for the case of congruence hypotheses. Psychological Methods, 24(3), 291–308. https://doi.org/10.1037/met0000199 pdf supplemental materials
Humberg, S., Dufner, M., Schönbrodt, F. D., Geukes, K., Hutteman, R., van Zalk, M. H. W., Denissen, J. J. A., Nestler, S., & Back, M. D. (2018). Enhanced versus simply positive: A new condition-based regression analysis to disentangle effects of self-enhancement from effects of positivity of self-view. Journal of Personality and Social Psychology, 114(2), 303-322. doi:10.1037/pspp0000134 osf preprint supplemental materials pdf
Humberg, S., Dufner, M., Schönbrodt, F. D., Geukes, K., Hutteman, R., van Zalk, M. H. W., Denissen, J. J. A., Nestler, S., & Back, M. D. (2018). Why Condition-Based Regression Analysis (CRA) is indeed a valid test of self-enhancement effects: A response to Krueger et al. (2017). Collabra: Psychology, 4(1), 26. doi: http://doi.org/10.1525/collabra.137 open access article pdf
Schönbrodt, F. D., Humberg, S., & Nestler, S. (2018). Testing similarity effects with dyadic response surface analysis. European Journal of Personality, 32(6), 627-641. doi:10.1002/per.2169. pdf preprint supplemental materials
Book chapters
Humberg, S., Förster, N., Kaiser, J., Schönbrodt, F.D. (2017). Konsequenzen akkurater Lehrerurteile: Response Surface Analyse als statistisches Verfahren zur Untersuchung von Übereinstimmungshypothesen. In A. Südkamp, A.-K. Praetorius (Hrsg.). Diagnostische Kompetenz von Lehrkräften: Theoretische und methodische Weiterentwicklungen (S. 174-200). Münster: Waxmann. pdf supplemental materials
Published Software
Schönbrodt, F. D. & Humberg, S. (2020). RSA: An R package for response surface analysis. Retrieved from https://cran.r-project.org/package=RSA
Unpublished Preprints
Wurst, S. N., Humberg, S., & Back, M. (2018). Rose-colored glasses in initial romantic encounters? Examining positive partner illusions and their interpersonal consequences in the very early stages of romantic acquaintance. Retrieved from https://osf.io/48sh2/ pdf preprint
Wurst, S. N., Humberg, S., & Back, M. (2018). The impact of mate value in first and subsequent real-life romantic encounters. Retrieved from https://osf.io/adej3/ pdf preprint