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Dr. S. (Sacha) Epskamp

Faculty of Social and Behavioural Sciences
Programme group Psychological Methods

Visiting address
  • Nieuwe Achtergracht 129
  • Room number: 0.40
Postal address
  • Postbus 15906
    1001 NK Amsterdam
Contact details
  • Publications

    2021

    • Borsboom, D., Deserno, M. K., Rhemtulla, M., Epskamp, S., Fried, E. I., McNally, R. J., Robinaugh, D. J., Perugini, M., Dalege, J., Costantini, G., Isvoranu, A. M., Wysocki, A. C., van Borkulo, C. D., van Bork, R., & Waldorp, L. J. (2021). Network analysis of multivariate data in psychological science. Nature Reviews Methods Primers, 1(1), 1. [58].
    • Epskamp, S., Fried, E. I., van Borkulo, C. D., Robinaugh, D. J., Marsman, M., Dalege, J., Rhemtulla, M., & Cramer, A. O. J. (2021). Investigating the Utility of Fixed-margin Sampling in Network Psychometrics. Multivariate Behavioral Research, 56(2), 314-328 . https://doi.org/10.1080/00273171.2018.1489771 [details]

    2020

    • Bastiaansen, J. A., Kunkels, Y. K., Blaauw, F. J., Boker, S. M., Ceulemans, E., Chen, M., Chow, S-M., de Jonge, P., Emerencia, A. C., Epskamp, S., Fisher, A. J., Hamaker, E. L., Kuppens, P., Lutz, W., Meyer, M. J., Moulder, R., Oravecz, Z., Riese, H., Rubel, 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, [110211]. https://doi.org/10.1016/j.jpsychores.2020.110211 [details]
    • Burger, J., Isvoranu, A. M., Lunansky, G., Haslbeck, J. M. B., Epskamp, S., Hoekstra, R. H. A., Fried, E. I., Borsboom, D., & Blanken, T. F. (2020). Reporting Standards for Psychological Network Analyses in Cross-sectional Data. Manuscript submitted for publication. https://psyarxiv.com/4y9nz/
    • Burger, J., van der Veen, D. C., Robinaugh, D. J., Quax, R., Riese, H., Schoevers, R. A., & Epskamp, S. (2020). Bridging the gap between complexity science and clinical practice by formalizing idiographic theories: a computational model of functional analysis. BMC Medicine, 18, [99]. https://doi.org/10.1186/s12916-020-01558-1 [details]
    • Epskamp, S. (2020). Psychometric network models from time-series and panel data. Psychometrika, 85(1), 206-231. https://doi.org/10.1007/s11336-020-09697-3 [details]
    • Epskamp, S., Isvoranu, A. M., & Cheung, W-L. (2020). Meta-analytic Gaussian Network Aggregation. Psychometrika. https://doi.org/10.31234/osf.io/236w8
    • Fried, E., Papanikolaou, F., & Epskamp, S. (2020). Mental health and social contact during the COVID-19 Pandemic: An ecological momentary assessment study. Manuscript submitted for publication. https://psyarxiv.com/36xkp
    • Haslbeck, J. M. B., Epskamp, S., Marsman, M., & Waldorp, L. J. (2020). Interpreting the Ising Model: The Input Matters. Multivariate Behavioral Research. https://doi.org/10.1080/00273171.2020.1730150
    • Isvoranu, A-M., Guloksuz, S., Epskamp, S., van Os, J., Borsboom, D., & GROUP Investigators (2020). Toward incorporating genetic risk scores into symptom networks of psychosis. Psychological Medicine, 50(4), 636-643. https://doi.org/10.1017/S003329171900045X [details]
    • Isvoranu, A. M., Epskamp, S., & Cheung, W-L. (2020). Network Models of Post-traumatic Stress Disorder: A Meta-analysis. Manuscript submitted for publication. https://doi.org/10.31234/osf.io/8k4u6
    • Kan, K. J., de Jonge, H., van der Maas, H. L. J., Levine, S. Z., & Epskamp, S. (2020). How to Compare Psychometric Factor and Network Models. Journal of Intelligence, 8(4), [35]. https://doi.org/10.3390/jintelligence8040035 [details]
    • Levinson, C. A., Cash, E., Welch, K., Epskamp, S., Hunt, R. A., Williams, B. M., Keshishian, A. C., & Spoor, S. P. (2020). Personalized networks of eating disorder symptoms predicting eating disorder outcomes and remission. International Journal of Eating Disorders, 53(12), 2086-2094. https://doi.org/10.1002/eat.23398 [details]
    • Liu, D., Epskamp, S., Isvoranu, A. M., Chen, C., & Liu, W. (2020). Network Analysis of Physical and Psychiatric Symptoms of Hospital Discharged Patients Infected with COVID-19. Manuscript submitted for publication. https://doi.org/10.31219/osf.io/vzawg

    2019

    2018

    2017

    2016

    • Fried, E. I., Epskamp, S., Nesse, R. M., Tuerlinckx, F., & Borsboom, D. (2016). What are 'good' depression symptoms? Comparing the centrality of DSM and non-DSM symptoms of depression in a network analysis. Journal of Affective Disorders , 189, 314-320. https://doi.org/10.1016/j.jad.2015.09.005 [details]
    • Fried, E. I., van Borkulo, C. D., Epskamp, S., Schoevers, R. A., Tuerlinckx, F., & Borsboom, D. (2016). Measuring depression over time . . . Or not? Lack of unidimensionality and longitudinal measurement invariance in four common rating scales of depression. Psychological Assessment, 28(11), 1354-1367. https://doi.org/10.1037/pas0000275 [details]
    • Kossakowski, J. J., Epskamp, S., Kieffer, J. M., van Borkulo, C. D., Rhemtulla, M., & Borsboom, D. (2016). The application of a network approach to Health-Related Quality of Life (HRQoL): introducing a new method for assessing HRQoL in healthy adults and cancer patients. Quality of Life Research, 25(4), 781-792. https://doi.org/10.1007/s11136-015-1127-z [details]
    • Langley, D. J., Wijn, R., Epskamp, S., & van Bork, R. (2016). Encouraging vaccination behavior through online social media. In F. D'Ascenzo, M. Magni, A. Lazazzara, & S. Za (Eds.), Blurring the Boundaries Through Digital Innovation: Individual, Organizational, and Societal Challenges (pp. 307-318). (Lecture Notes in Information Systems and Organisation; Vol. 19). Springer. https://doi.org/10.1007/978-3-319-38974-5_24 [details]
    • Nuijten, M. B., Hartgerink, C. H. J., van Assen, M. A. L. M., Epskamp, S., & Wicherts, J. M. (2016). The prevalence of statistical reporting errors in psychology (1985–2013). Behavior Research Methods, 48(4), 1205-1226. https://doi.org/10.3758/s13428-015-0664-2 [details]
    • Tio, P., Epskamp, S., Noordhof, A., & Borsboom, D. (2016). Mapping the manuals of madness: Comparing the ICD-10 and DSM-IV-TR using a network approach. International Journal of Methods in Psychiatric Research, 25(4), 267-276. https://doi.org/10.1002/mpr.1503 [details]

    2015

    2014

    2013

    2012

    • Epskamp, S., Cramer, A. O. J., Waldorp, L. J., Schmittmann, V. D., & Borsboom, D. (2012). Qgraph: Network visualizations of relationships in psychometric data. Journal of Statistical Software, 48(4), 1-18. [details]

    2011

    2020

    • Fried, E. I., van Borkulo, C. D., & Epskamp, S. (2020). On the Importance of Estimating Parameter Uncertainty in Network Psychometrics: A Response to Forbes et al. (2019). Multivariate Behavioral Research. https://doi.org/10.1080/00273171.2020.1746903

    2018

    • Epskamp, S., Maris, G., Waldorp, L. J., & Borsboom, D. (2018). Network Psychometrics. In P. Irwing, T. Booth, & D. J. Hughes (Eds.), The Wiley Handbook of Psychometric Testing: A Multidisciplinary Reference on Survey, Scale and Test Development (Vol. 2, pp. 953-986). Chichester: Wiley. https://doi.org/10.1002/9781118489772.ch30 [details]

    2017

    • Borsboom, D., Fried, E. I., Epskamp, S., Waldorp, L. J., van Borkulo, C. D., van der Maas, H. L. J., & Cramer, A. O. J. (2017). False alarm? A comprehensive reanalysis of "evidence that psychopathology symptom networks have limited replicability" by Forbes, Wright, Markon, and Krueger (2017). Journal of Abnormal Psychology, 126(7), 989-999. https://doi.org/10.1037/abn0000306 [details]

    2016

    • Wichers, M., Groot, P. C., Psychosystems, ESM Group, & EWS Group (2016). Critical slowing down as a personalized early warning signal for depression. Psychotherapy and Psychosomatics, 85(2), 114-116. https://doi.org/10.1159/000441458 [details]

    2020

    • Mansueto, A. C., Wiers, R. W. H. J., van Weert, J. C. M., Schouten, B. C., & Epskamp, S. (2020). Feasibility of idiographic network models for personalized clinical practice. Poster session presented at 54th Annual Convention of the Association for Behavioral and Cognitive Therapies, .

    Award

    • Epskamp, S. (2019). Complex Systems Society Junior scientific awards.
    • Epskamp, S. (2018). IMPS dissertation prize.
    • Epskamp, S. (2018). VENI grant.
    • Epskamp, S. (2017). IOPS best paper award.
    • Epskamp, S. (2016). Leamer-Rosenthal Prize for Open Social Science.
    • Epskamp, S. (2015). IMPS travel award.

    Membership

    • Epskamp, S. (2018-2020). Fellowship, Institute for Advanced Studies.

    Journal editor

    • Mõttus, R. (editor), Condon, D. (editor), Wood, D. (editor) & Epskamp, S. (editor) (2018-2019). European Journal of Personality (Journal).
    • Mottus, R. (editor), Condon, D. (editor), Wood, D. (editor) & Epskamp, S. (editor) (2018-2019). European Journal of Psychological Assessment (Journal).

    Talk / presentation

    • Epskamp, S. (speaker) (11-12-2020). An introduction to Network Psychometrics. With applications to COVID-19 related datasets.
    • Epskamp, S. (speaker) & Mansueto, A. (speaker) (9-12-2020). Psychological network analysis of COVID-19 related datasets, Conference on Complex Systems 2020.
    • Epskamp, S. (speaker) (14-7-2020). Introducing psychonetrics, an R package for structural equation modelling and network psychometrics, IMPS 2020 Virtual Conference.
    • Epskamp, S. (speaker) & Isvoranu, A. (speaker) (9-12-2019). Network Models of Mental Health, Complex Networks 2019 Satellite: Social Good, Carcavelos.
    • Epskamp, S. (speaker) (29-10-2019). Network Psychometrics: Current State and Future Directions, National Chengchi University.
    • Epskamp, S. (speaker) (4-10-2019). Complexities of mental health: towards the use of network models, Conference on Complex Systems 2019, Singapore.
    • Epskamp, S. (speaker) (2-10-2019). Networks Within Networks: From Psychological Dynamics to Social Phenomena, Conference on Complex Systems 2019, Singapore.
    • Isvoranu, A. (speaker) & Epskamp, S. (speaker) (18-9-2019). Complexities of mental health: Towards the use of network models in therapy., Complexity Institute.
    • Epskamp, S. (speaker) (19-4-2019). Complexity in Clinical Practice. How can network models be used to aid therapists?, NCPS 2019, Utrecht.
    • Epskamp, S. (speaker) (7-3-2019). Network Psychometrics: Phase 2, International Convention for Psychological Science (2019), Paris.
    • Epskamp, S. (speaker) (7-3-2019). Intermediate stable states in substance use: can allowing use prevent abuse?, International Convention of Psychological Science (2019), Paris.
    • Epskamp, S. (speaker) (15-11-2018). Psychological complexity: From exploration to theory formation, Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA..
    • Epskamp, S. (speaker) (27-9-2018). Intermediate stable states in substance use: can allowing use prevent abuse?, Conference on Complex Systems 2018, Thessaloniki.
    • Epskamp, S. (speaker) (14-9-2018). No Paradoxes: Interpreting Within- and Between-subject Network Structures, Psychological Networks & Time-series models, Groningen.
    • Epskamp, S. (speaker) (6-9-2018). No Paradoxes: Interpreting Within- and Between-subject Network Structures, EAPP / EAPA Expert Meeting, Edinburgh.
    • Epskamp, S. (speaker) (31-7-2018). Network Modeling of Psychological Processes: from exploration to theory formation, 2018 meeting of the European Mathematical Psychology Group, Genova.
    • Epskamp, S. (speaker) (13-7-2018). Network-based Adaptive Assessment, 83rd annual International Meeting of the Psychometric Society, New York City.
    • Epskamp, S. (speaker) (11-7-2018). Network Psychometrics: Current State and Future Direction, 83rd annual International Meeting of the Psychometric Society, New York City.
    • Epskamp, S. (speaker) (27-5-2018). Personalized Networks in Clinical Practice: Recent developments, Challenges and Future Directions, 30th Annual Convention of the Association for Psychological Science, San Francisco.
    • Epskamp, S. (speaker) (25-5-2018). Intra-individual Networks and Latent Variable Models, 30th Annual Convention of the Association for Psychological Science, San Francisco.
    • Epskamp, S. (speaker) (21-3-2018). Measuring a person over time: Complexity in the study of psychological dynamics., Complexity Conference 2018: Complexities of Time, Singapore.
    • Epskamp, S. (speaker) (15-2-2018). Reproducibility and Replicability in a Fast-paced Methodological World, Reflections on Replication, Utrecht.
    • Epskamp, S. (speaker) (2017). Generalized Network Psychometrics Combining Network And Latent Variable Models, 82nd Annual Meeting of the Psychometric Society, Zurich.
    • Epskamp, S. (invited speaker) (2017). Discovering Psychological Dynamics, Tilburg University.
    • Epskamp, S. (speaker) (2017). Lecturer, Psychological Networks Amsterdam Winter School 2017
      , Amsterdam.
    • Epskamp, S. (keynote speaker) (2017). New Developments and Future Directions in Network Psychometrics, 27th IOPS Winter Conference , Tilburg.
    • Epskamp, S. (keynote speaker) (2017). Personalized Network Analysis, e-Coaching for Health and Wellbeing , Amsterdam.
    • Epskamp, S. (invited speaker) (2017). Discovering Psychological Dynamics, Xomnia.
    • Epskamp, S. (speaker) (2017). Generalized Network Psychometrics: Combining Network and Latent Variable Models, Meeting of the Working Group SEM , Gent.
    • Epskamp, S. (speaker) (2017). Psychological Complexity: New Directions in Dynamical Systems Modeling., Conference on Complex Systems. Cancun, Mexico, Cancun.
    • Epskamp, S. (invited speaker) (2016). Discovering Psychological Dynamics In cross-sectional and Time-series data, MRC Centre, Cognition and Brain Sciences Unit, Cambridge.
    • Epskamp, S. (invited speaker) (2016). Intra-individual Dynamics in Psychology, Nanyang Technological University.
    • Epskamp, S. (invited speaker) (2016). Discovering Psychological Dynamics In cross-sectional and Time-series data, University of California, Davis.
    • Epskamp, S. (speaker) (2016). Discovering Psychological Dynamics in Time-Series Data, Conference on Complex Systems 2016, Amsterdam.
    • Epskamp, S. (invited speaker) (2016). Discovering Psychological Dynamics: The Gaussian Graphical Model in Cross-sectional and Time-series data, University of Milano-Bicocca.
    • Epskamp, S. (speaker) (2016). Lecturer, Psychological Networks Amsterdam Summer School 2016
      , Amsterdam.
    • Epskamp, S. (invited speaker) (2016). Discovering Psychological Dynamics In cross-sectional and Time-series data, Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom..
    • Epskamp, S. (invited speaker) (2016). New developments in Network Psychometrics, University of Edinburgh.
    • Epskamp, S. (invited speaker) (2015). Complexity in Psychology, Nanyang Technological University.
    • Epskamp, S. (speaker) (2015). Applied network analysis in Clinical Practice, ICPS Amsterdam.
    • Epskamp, S. (speaker) (2015). Residual Interaction Modeling, 80th Annual Meeting of the Psychometric Society (IMPS) 2015, Beijing.
    • Epskamp, S. (invited speaker) (2015). The Dynamics of Psychology, National University of Singapore.
    • Epskamp, S. (speaker) (2015). Generalized Network Analysis: Combining Network and Latent Variable Models, 25th IOPS Winter Conference , Leiden.
    • Epskamp, S. (invited speaker) (2015). Complexity in Psychology.
    • Epskamp, S. (speaker) (2014). semPlot: Unified visualizations of Structural Equation Models, Modern Modeling Methods, Storrs.
    • Epskamp, S. (invited speaker) (2014). Network Analysis for Psychologists, using qgraph in R, APS 2014, San Francisco.
    • Epskamp, S. (invited speaker) (2014). Network Analysis: Applications of networks in Psychology and beyond, TNO.
    • Epskamp, S. (speaker) (2014). semPlot: Unified visualizations of Structural Equation Models, Psychoco 2014, Tuebingen.
    • Epskamp, S. (invited speaker) (2013). Network Analysis: Uma abordagem integradora para pesquisa e tratamento em psicopatologia, FAINOR university, Vitoria da Conquista.
    • Epskamp, S. (speaker) (2013). Network Visualizations of Relationships in Psychometric Data and Structural Equation Models, Using the qgraph package for R, the 78th annual meeting of the Psychometrics Society, Arnhem, The Netherlands, July..
    • Epskamp, S. (speaker) (2013). Network Visualizations of Statistical Relationships and Structural Equation Models, UseR 2013, Albacete.
    • Epskamp, S. (speaker) (2013). Estimation of (Logistic) Vector-autoregression Models, Using generalized linear modelling, the 78th annual meeting of the Psychometrics Society, Arnhem, The Netherlands, July..
    • Epskamp, S. (speaker) (2013). Workshop Netwerken in de psychopathologie, Lustrumcongres, Utrecht.
    • Epskamp, S. (speaker) (2012). Applications of visualizing test data through networks, 8th Conference of the International Test Commission, Amsterdam.
    • Epskamp, S. (speaker) (2011). The qgraph package for network visualizations of psychometric data, Psychoco 2011, Tuebingen.

    Others

    • Isvoranu, A. (organiser), Hoekstra, R. H. A. (organiser) & Epskamp, S. (organiser) (29-6-2020 - 3-7-2020). Psychological Networks Amsterdam Summer School (PNASS) 2020 (organising a conference, workshop, ...).
    • Isvoranu, A. (organiser), Hoekstra, R. H. A. (organiser) & Epskamp, S. (organiser) (27-1-2020 - 31-1-2020). Psychological Networks Amsterdam Winter School (PNAWS) 2020 (organising a conference, workshop, ...).
    • Isvoranu, A. (organiser) & Epskamp, S. (organiser) (1-11-2019). Network Psychometrics Workshop, Taipei. Organized one-day workshop. (organising a conference, workshop, ...).
    • Isvoranu, A. (organiser), Hoekstra, R. H. A. (organiser) & Epskamp, S. (organiser) (24-6-2019 - 28-6-2019). Psychological Networks Amsterdam Summer School 2019, Amsterdam (organising a conference, workshop, ...).
    • Isvoranu, A. (organiser), Hoekstra, R. H. A. (organiser) & Epskamp, S. (organiser) (28-1-2019 - 1-2-2019). Psychological Networks Amsterdam Winter School 2019, Amsterdam (organising a conference, workshop, ...).
    • Epskamp, S. (participant) & Isvoranu, A. M. (participant) (27-8-2018 - 1-9-2018). Psychological Networks Amsterdam Summer School 2018, Amsterdam. Host and organization (organising a conference, workshop, ...).
    • Epskamp, S. (participant) (22-3-2018 - 28-3-2018). Winter School on Complexity Science, Singapore (participating in a conference, workshop, ...).
    • Epskamp, S. (organiser) & Isvoranu, A. M. (organiser) (29-1-2018 - 2-2-2018). Psychological Networks Summer & Winter School, Amsterdam. Winter school (organising a conference, workshop, ...).
    • Epskamp, S. (organiser) (10-2017). Workshop Psychological Dynamics, Zurich (organising a conference, workshop, ...).
    • Epskamp, S. (organiser) & Isvoranu, A. M. (organiser) (28-8-2017 - 1-9-2017). Psychological Networks Amsterdam Summer School 2017. Psychological Networks Amsterdam Summer School 2017 (organising a conference, workshop, ...).
    • Epskamp, S. (organiser) & Fried, E. I. (organiser) (2017). Psychological network analysis: estimation, inference, and stability, Gent (participating in a conference, workshop, ...).
    • Epskamp, S. (organiser) (2013). Network Analysis, Vitória da Conquista (organising a conference, workshop, ...).

    2016

    • Epskamp, S. (2016). Regularized Gaussian Psychological Networks: Brief Report on the Performance of Extended BIC Model Selection. Ithaca, NY: arXiv.org. [details]
    This list of publications is extracted from the UvA-Current Research Information System. Questions? Ask the library or the Pure staff of your faculty / institute. Log in to Pure to edit your publications. Log in to Personal Page Publication Selection tool to manage the visibility of your publications on this list.
  • Ancillary activities
    • No ancillary activities