(*) Denotes Joint First Authorship

Under Review

Ryan, O., Bringmann, L.F., & Schuurman, N.K. (under review). The Challenge of Generating Causal Hypotheses Using Network Models.[PsyArXiv Pre-print] [R-package] [Reproducibility Archive]

Accepted/In Press

Haslbeck, J.M.B.*, Ryan, O.*, & Dablander, F.* (accepted). The Sum of All Fears: Comparing Networks Based on Symptom Sum-Scores. Psychological Methods [PsyArXiv Pre-print] [Reproducibility Archive]


Haslbeck, J.M.B.*, Ryan, O.*, Robinaugh, D.J.*, Waldorp, L. J., & Borsboom, D. (2021). Modeling Psychopathology: From Data Models to Formal Theories. Psychological Methods. DOI: 10.1037/met0000303 [PsyArXiv Pre-print] [Reproducibility Archive]

Ryan, O. & Hamaker, E.L. (2021) Time to Intervene: A Continuous-Time Approach to Network Analysis and Centrality. Psychometrika. DOI: 10.1007/s11336-021-09767-0 [R-package] [PsyArXiv Pre-print] [Reproducibility Archive]

Haslbeck, J.M.B.* & Ryan, O.* (2021). Recovering Within-Person Dynamics from Psychological Time Series. Multivariate Behavioral Research. DOI: 10.1080/00273171.2021.1896353 [Open Access Article] [PsyArXiv Pre-print] [Reproducibility Archive]

Robinaugh, D.J, Haslbeck, J. M. B., Ryan, O., Fried, E.I. & Waldorp, L. J. (2021) Invisible Hands and Fine Calipers: A Call to Use Formal Theory as a Toolkit for Theory Construction. Perspectives on Psychological Science. DOI:10.1177/1745691620974697 [PsyArXiv Pre-print] [Reproducibility Archive]

Ryan, O. (2020) Dynamic Systems and Causal Structures in Psychology: Connecting Data and Theory (Doctoral Dissertation). DOI: https://doi.org/10.33540/258. ISBN: 978-94-6416-145-8 [PDF] [UU Repository]

Dablander, F.*, Ryan, O.*, & Haslbeck, J.M.B.* (2020). Choosing between AR (1) and VAR (1) Models in Typical Psychological Applications. PLoS ONE, 15(10): e0240730. https://doi.org/10.1371/journal.pone.0240730 [Open Access Full Text] [Pre-print] [Reproducibility Archive]

Groen, R.N., Ryan, O., Wigman, J.T., Riese, H., Penninx, B.W.J.H, Giltay, E.J., Wichers, M. & Hartman, C.A. (2020) Comorbidity between depression and anxiety: assessing the role of bridge mental states in dynamic psychological networks. BMC Medicine, 18, DOI: 10.1186/s12916-020-01738-z [Open Access Full Text] [Reproducibility Archive]

Bastiaansen, J.A., Kunkels, Y.K. , …, Ryan, O., … Albers, C.J., Bringmann, L.F. (2020). Time to get personal? The impact of researchers’ choices on the selection of treatment targets using the experience sampling methodology. Journal of Psychosomatic Research, 137, DOI: 10.1016/j.jpsychores.2020.110211 [Open Access Full Text] [Reproducibility Archive]

Kuiper, R.M. & Ryan, O. (2019). Meta-analysis of lagged regression models: A continuous-time approach. Structural Equation Modeling, 27(3), 396-413, DOI: 10.1080/10705511.2019.1652613 [Open Access Full Text] [PsyArXiv Pre-print][R-package]

Hamaker, E.L. & Ryan, O. (2019). A squared standard error is not a measure of individual differences. Proceedings of the National Academy of Sciences, 116(14), 6544-6545. DOI: 10.1073/pnas.1818033116 [Online pre-print]

Ryan, O., Kuiper, R. M., & Hamaker, E. L. (2018). A continuous time approach to intensive longitudinal data: What, Why and How? In K. v. Montfort, J. H. L. Oud, & M. C. Voelkle (Eds.), Continuous time modeling in the behavioral and related sciences (pp. 27-54). New York, NY: Springer.[Pre-Print PDF] [Supplementary Materials]

Kuiper, R.M., & Ryan, O. (2018). Drawing Conclusions from Cross-Lagged Relationships: Re-considering the role of the time-interval. Structural Equation Modeling, 25(5), 809–823. DOI: 10.1080/10705511.2018.1431046.[Open Access Full Text]

van de Schoot, R., Winter, S. D., Ryan, O., Zondervan-Zwijnenburg, M., & Depaoli, S. (2017). A systematic review of Bayesian articles in psychology: The last 25 years. Psychological Methods, 22(2), 217-239. [Full-text on ResearchGate]

Hepper, E. G., Wildschut, T., Sedikides, C., Ritchie, T. D., Yung, Y. F., Hansen, N., … Ryan, O., & Stephan, E. & Vingerhoets, A . J. J. (2014). Pancultural nostalgia: prototypical conceptions across cultures. Emotion, 14(4), 733-747.[Full-text on ResearchGate]

Pre-prints no longer under development

Note: These projects have been published on PsyArXiv but have been significantly re-worked into new projects with different titles

Haslbeck, J.M.B.* & Ryan, O.* (2019). Recovering Bistable Systems from Psychological Time Series. DOI: 10.31234/osf.io/kcv3s. [PsyArXiv Pre-print] [Reproducibility Archive] Note: A revised version of this manuscript is available on PsyArxiV under the title Recovering Within-Person Dynamics from Psychological Time Series

Ryan, O. (2018). Interventions in dynamic systems: A causal approach to continuous-time mediation analysis. [PsyArXiv Pre-print] [Supplementary Materials] Note: Major parts of this project have been used in the development of the paper Time to Intervene: A Continuous Time Approach to Network Analysis and Centrality