ESC

Publications

Under Review and Submitted Manuscripts

  1. Kovacevic, Z., Krüger, H., & Grund, T. (2026). Agreement in Social Perception and Mental Health: Investigating the Influence of Depression and Anxiety on the Agreement of Students’ Network Perceptions. Under review. https://doi.org/10.17605/OSF.IO/8MQBY
    DOI 
    @unpublished{kovacevic_krueger_grund_underreview,
  author = {Kovacevic, Z. and Krüger, Heike and Grund, Thomas},
  title = {Agreement in Social Perception and Mental Health: Investigating the Influence of Depression and Anxiety on the Agreement of Students' Network Perceptions},
  year = {2026},
  note = {Under review},
  keywords = {manuscript, underreview},
  doi = {10.17605/OSF.IO/8MQBY},
  url = {https://doi.org/10.17605/OSF.IO/8MQBY}
}
  2. Krüger, H., Grund, T., Letina, S., Long, E., Riddell, J., Zucca, C., & McCann, M. (2026). Discrepancies in the Perception of Social Support Relationships. Under review. https://osf.io/afdp6/
    LINK 
    @unpublished{krueger_grund_letina_long_riddell_zucca_mccann_underreview,
  author = {Krüger, Heike and Grund, Thomas and Letina, S. and Long, E. and Riddell, J. and Zucca, C. and McCann, M.},
  title = {Discrepancies in the Perception of Social Support Relationships},
  year = {2026},
  note = {Under review},
  keywords = {manuscript, underreview},
  url = {https://osf.io/afdp6/}
}
  3. Ojo, I., Kaplan, V., Krüger, H., Ibidun, F., Awodoyin, O., & Obinna, A. (2026). Effectiveness of Mental Health Interventions among Migrants and Refugees in High-Income Countries: Systematic Review and Meta-Analysis of the Last Decade. Submitted. PROSPERO 2025 CRD420251196805. https://www.crd.york.ac.uk/PROSPERO/view/CRD420251196805
    LINK 
    @unpublished{ojo_kaplan_krueger_etal_submitted,
  author = {Ojo, Iyanuloluwa and Kaplan, V. and Krüger, Heike and Ibidun, F. and Awodoyin, O. and Obinna, A.},
  title = {Effectiveness of Mental Health Interventions among Migrants and Refugees in High-Income Countries: Systematic Review and Meta-Analysis of the Last Decade},
  year = {2026},
  note = {Submitted. PROSPERO 2025 CRD420251196805},
  keywords = {manuscript, submitted},
  url = {https://www.crd.york.ac.uk/PROSPERO/view/CRD420251196805}
}

Working Papers and Work in Progress

  1. Grund, T., & Krüger, H. (2026). Soziale Netzwerkanalyse mit R. Book manuscript in preparation. Book series "Quantitative Sozialforschung", Springer.
    @unpublished{grund_krueger_sna_r_book,
  author = {Grund, Thomas and Krüger, Heike},
  title = {Soziale Netzwerkanalyse mit R},
  year = {2026},
  note = {Book manuscript in preparation. Book series "Quantitative Sozialforschung", Springer},
  keywords = {prepublication, workinprogress}
}
  2. Reiner, A., & Krüger, H. (2026). Does It Matter Who You Compare To? Intra- and Intergroup Competition in a City-Wide Cycling Initiative (Stadtradeln). Working paper.
    @unpublished{reiner_krueger_cycling_workingpaper,
  author = {Reiner, A. and Krüger, Heike},
  title = {Does It Matter Who You Compare To? Intra- and Intergroup Competition in a City-Wide Cycling Initiative (Stadtradeln)},
  year = {2026},
  note = {Working paper},
  keywords = {prepublication, workingpaper}
}
  3. Krüger, H., & Demirer, I. (2026). From Mood and Stress to Support: Modeling How Affective States and Wearable Biosignals Shape Social Interaction Events. Working paper.
    @unpublished{krueger_demirer_fitbit_workingpaper,
  author = {Krüger, Heike and Demirer, I.},
  title = {From Mood and Stress to Support: Modeling How Affective States and Wearable Biosignals Shape Social Interaction Events},
  year = {2026},
  note = {Working paper},
  keywords = {prepublication, workingpaper}
}
  4. van Woudenberg, T. J., Severijns, R., & Krüger, H. (2026). Co-Evolution of the Social Network and Vegetarian Lunch Consumption in Adolescents. Working paper. https://doi.org/10.17605/OSF.IO/F9U5G
    DOI 
    @unpublished{vanwoudenberg_severijns_krueger_vegetarian_workingpaper,
  author = {van Woudenberg, T. J. and Severijns, R. and Krüger, Heike},
  title = {Co-Evolution of the Social Network and Vegetarian Lunch Consumption in Adolescents},
  year = {2026},
  note = {Working paper},
  keywords = {prepublication, workingpaper},
  doi = {10.17605/OSF.IO/F9U5G},
  url = {https://doi.org/10.17605/OSF.IO/F9U5G}
}
  5. Krüger, H., Severijns, R., Grund, T., Tiernan, A., & Hellpap, R. L. (2026). Harmony on the Plate: Peer Networks and the Evolution of Adolescent Vegetarian Identities. Working paper. https://doi.org/10.31234/osf.io/ndtrm_v1
    DOI 
    @unpublished{krueger_severijns_grund_tiernan_hellpap_vegetarian_workingpaper,
  author = {Krüger, Heike and Severijns, R. and Grund, Thomas and Tiernan, A. and Hellpap, R. L.},
  title = {Harmony on the Plate: Peer Networks and the Evolution of Adolescent Vegetarian Identities},
  year = {2026},
  note = {Working paper},
  keywords = {prepublication, workingpaper},
  doi = {10.31234/osf.io/ndtrm_v1},
  url = {https://doi.org/10.31234/osf.io/ndtrm_v1}
}
  6. Krüger, H., & Krause, R. (2023). Co-Development of Group Integration, Loneliness, and Mental Health within the School Context. Working paper. https://psyarxiv.com/jp3dz
    LINK 
    @unpublished{krueger_krause_groupintegration_workingpaper,
  author = {Krüger, Heike and Krause, R.},
  title = {Co-Development of Group Integration, Loneliness, and Mental Health within the School Context},
  year = {2023},
  note = {Working paper},
  keywords = {prepublication, workingpaper},
  url = {https://psyarxiv.com/jp3dz}
}

Refereed Journal Articles

  1. Krüger, H. (2026). Mental health symptoms and everyday social interaction among university students: an exploratory intensive longitudinal study of relational events within bounded peer networks . BMC Psychology, 14, 1487. https://doi.org/10.1186/s40359-026-05805-7
    DOI 
    @article{krueger_microdynamics_underreview,
  author = {Krüger, Heike},
  title = { Mental health symptoms and everyday social interaction among university students: an exploratory intensive longitudinal study of relational events within bounded peer networks },
  journal = { BMC Psychology},
  year = {2026},
  volume = {14},
  pages = {1487},
  doi = {10.1186/s40359-026-05805-7},
  url = { https://doi.org/10.1186/s40359-026-05805-7}
}
  2. Grund, T., Krüger, H., & Pascu, I. (2025). Social Media Use and Adolescent Depressive Symptoms: The Moderating Roles of Gender and Parental Monitoring. International Journal of Mental Health and Addiction, 1–17. https://doi.org/10.1007/s11469-025-01566-3
    DOI 
    @article{grund_krueger_pascu_2025_socialmedia,
  author = {Grund, Thomas and Krüger, Heike and Pascu, I.},
  title = {Social Media Use and Adolescent Depressive Symptoms: The Moderating Roles of Gender and Parental Monitoring},
  journal = {International Journal of Mental Health and Addiction},
  year = {2025},
  pages = {1--17},
  doi = {10.1007/s11469-025-01566-3},
  url = {https://doi.org/10.1007/s11469-025-01566-3}
}
  3. Demirer, I., Krüger, H., & Pf"ortner, T. K. (2025). Household-Income Trajectories and Mental Health Inequalities in Germany before, during, and after the COVID-19 Pandemic: A Quasi-Experimental Panel Study. International Journal for Equity in Health, 24(1), 1–14. https://doi.org/10.1186/s12939-025-02507-1
    DOI 
    @article{demirer_krueger_pfoertner_2025_income,
  author = {Demirer, I. and Krüger, Heike and Pf{"o}rtner, T. K.},
  title = {Household-Income Trajectories and Mental Health Inequalities in Germany before, during, and after the COVID-19 Pandemic: A Quasi-Experimental Panel Study},
  journal = {International Journal for Equity in Health},
  year = {2025},
  volume = {24},
  number = {1},
  pages = {1--14},
  doi = {10.1186/s12939-025-02507-1},
  url = {https://doi.org/10.1186/s12939-025-02507-1}
}
  4. Krüger, H., Kroneberg, C., & Kruse, H. (2024). Mode of Contact and Mood Changes during the COVID-19 Pandemic: A Daily Diary Study during School Closures and Re-Opened Schools. Journal of Social and Personal Relationships. https://doi.org/10.1177/02654075241268496
    DOI 
    @article{krueger_kroneberg_kruse_2024_contact,
  author = {Krüger, Heike and Kroneberg, Clemens and Kruse, Hanno},
  title = {Mode of Contact and Mood Changes during the COVID-19 Pandemic: A Daily Diary Study during School Closures and Re-Opened Schools},
  journal = {Journal of Social and Personal Relationships},
  year = {2024},
  doi = {10.1177/02654075241268496},
  url = {https://doi.org/10.1177/02654075241268496}
}
  5. Krüger, H. (2024). Everyday Discrimination, Co-Ethnic Social Support and Mood Changes in Young Adult Immigrants in Germany: Evidence from an Ecological Momentary Assessment Study. Journal of Migration and Health, 9, 100212. https://doi.org/10.1016/j.jmh.2024.100212
    DOI 
    @article{krueger_2024_discrimination,
  author = {Krüger, Heike},
  title = {Everyday Discrimination, Co-Ethnic Social Support and Mood Changes in Young Adult Immigrants in Germany: Evidence from an Ecological Momentary Assessment Study},
  journal = {Journal of Migration and Health},
  year = {2024},
  volume = {9},
  pages = {100212},
  doi = {10.1016/j.jmh.2024.100212},
  url = {https://doi.org/10.1016/j.jmh.2024.100212}
}

Dissertation

  1. Krüger, H. (2024). Social Ties and Mental Health in Adolescence and Young Adulthood: Insights from Ecological Momentary Assessment and Social Network Analysis [PhD thesis, University of Cologne]. http://kups.ub.uni-koeln.de/id/eprint/72429
    LINK 
    @phdthesis{krueger_2024_dissertation,
  author = {Krüger, Heike},
  title = {Social Ties and Mental Health in Adolescence and Young Adulthood: Insights from Ecological Momentary Assessment and Social Network Analysis},
  school = {University of Cologne},
  year = {2024},
  url = {http://kups.ub.uni-koeln.de/id/eprint/72429}
}

Book Chapters and Reports

  1. Wittek, M., Lenkewitz, S., Wingen, A., Lämmermann, K., Krüger, H., & Tarnowski, A. (2022). Welche kontextuellen Faktoren beeinflussen interethnische Beziehungen in der Schule? Eine explorative Netzwerkanalyse. In H. Kruse & J. Teltemann (Eds.), Differenz im Raum. Springer VS. https://doi.org/10.1007/978-3-658-35009-3_9
    DOI 
    @incollection{wittek_lenkewitz_wingen_etal_2022,
  author = {Wittek, M. and Lenkewitz, S. and Wingen, A. and Lämmermann, K. and Krüger, Heike and Tarnowski, A.},
  title = {Welche kontextuellen Faktoren beeinflussen interethnische Beziehungen in der Schule? Eine explorative Netzwerkanalyse},
  booktitle = {Differenz im Raum},
  editor = {Kruse, H. and Teltemann, J.},
  publisher = {Springer VS},
  address = {Wiesbaden},
  year = {2022},
  doi = {10.1007/978-3-658-35009-3_9},
  url = {https://doi.org/10.1007/978-3-658-35009-3_9}
}
  1. Krüger, H., Kruse, H., Wingen, A., Lenkewitz, S., Tarnowski, A., Wittek, M., & Kroneberg, C. (2021). Schüler*innen im Lockdown: Ergebnisbericht des Projekts SOCIALBOND. University of Cologne. https://socialbond-project.com/ergebnisbericht/
    LINK 
    @techreport{krueger_kruse_wingen_etal_2021_socialbond,
  author = {Krüger, Heike and Kruse, Hanno and Wingen, A. and Lenkewitz, S. and Tarnowski, A. and Wittek, M. and Kroneberg, Clemens},
  title = {Schüler*innen im Lockdown: Ergebnisbericht des Projekts SOCIALBOND},
  institution = {University of Cologne},
  year = {2021},
  url = {https://socialbond-project.com/ergebnisbericht/}
}