Tomczyk, S., Marlinghaus, L., Schmidt, S., & Bartha, S. (2023). Best possible selves in times of crisis: Randomized controlled trial of best possible self-interventions during the COVID-19 pandemic. Journal of Positive Psychology. https://doi.org/10.1080/17439760.2023.2297213

Altweck, L.*, Freund, J.*, Hahm, S., Schmidt, S., & Tomczyk, S. (2024). Collective Loneliness: The Impact of the Social Network on Loneliness and Depression during the Coronavirus Pandemic in Older Europeans. International Journal of Geriatric Psychiatry, 39(1), e6045. https://doi.org/10.1002/gps.6045 [*shared first authorship]

Bischoff, M., Schmidt, S., Muehlan, H., Ulbricht, S., Heckmann, M., van den Berg, N., Grabe, H. J., & Tomczyk, S. (2023). Ecological Momentary Assessment of Parent-Child Attachment via Technological Devices: A Systematic Methodological Review. Infant Behavior and Development, 73, 101882. https://doi.org/10.1016/j.infbeh.2023.101882

McLaren T., Peter L.-J., Tomczyk S., Muehlan H., Schomerus G., Schmidt S. (2023). The effects of causal and self-efficacy beliefs on help-seeking for people with depressive complaints: a quasi-experimental online study. Frontiers in Psychiatry (14).https://doi.org/10.3389/fpsyt.2023.1232848

McLaren T., Peter L.-J., Tomczyk S., Muehlan H., Schomerus G., Schmidt S. (2024). The differential influence of self-construal on the effect of self-efficacy on the help-seeking process: A quasi-experimental online study among people with untreated depressive symptoms. Acta Psychologica (242). https://doi.org/10.1016/j.actpsy.2023.104119.

Schmidt, S., Markwart, H., Rapp, M., Guyard, A., Arnaud, C., Fauconnier, J., Thyen, U., Hahm, S., Vidart d'Egurbide Bagazgoïtia, N., & Muehlan, H. (2022). Quality of life and mental health in emerging adults with cerebral palsy compared to the general population. Health and Quality of Life Outcomes, 20(1), 61. https://doi.org/10.1186/s12955-022-01961-7 

McLaren, T., Peter, L.‑J., Tomczyk, S., Muehlan, H., Schomerus, G., & Schmidt, S. (2023). The Seeking Mental Health Care model: Prediction of help-seeking for depressive symptoms by stigma and mental illness representations. BMC Public Health, 23(1), 69. doi: 10.1186/s12889-022-14937-5 

Tomczyk, S., Heineck, S., McLaren, T., Peter, L.-J., Schomerus, G., Schmidt, S., & Muehlan, H. (2023). Yes, I can! Development and Validation of the Self-Efficacy for Self-Help Scale. Journal of Affective Disorders, 331, 279-286. doi: 10.1016/j.jad.2023.03.028

Markwart, H., Schmidt, S., Thyen, U., Ernst, G., & Muehlan, H. (2023). Transition competence as an indicator of health outcomes related to transitio. Child Care Health Development, 50(1):e13142. doi:10.1111/cch.13142

Greffin, K.*, Muehlan, H.*, van den Berg, N., Hoffmann, W., Ritter, O., Oeff, M., Speerforck, S., Schomerus, G., & Schmidt, S. (2023). Measuring context that matters: Validation of the modular Tele-QoL patient-reported outcome and experience measure. Quality of Life Research, 32, 3223–3234. doi.org/10.1007/s11136-023-03469-z (*shared first authorship)

Helmert, C., Fleischer, T., Speerforck, S., Ulke, C., Altweck, L., Hahm, S., Muehlan, H., Schmidt, S., Grabe, H., & Schomerus, G. (2023).  An explorative cross-sectional analysis of mental health shame and help-seeking intentions in different lifestyles. Scientific Reports, 13, 10825. doi.org/10.1038/s41598-023-37955-8 

Tomczyk, S. (2023). The Working Mind: Entstigmatisierung psychischer Erkrankungen im Setting »Universität«. Report Psychologie (06/2023), S.2-5

Tomczyk, S., Mühlmann, M., Kuhlmann, I., Danqa D. (2023). Stigmatisierung im Kontext der Corona-Pandemie. Report Psychologie (06/2023), S.17-21

Muehlmann, M., Tomczyk, S. (2023) Mobile Apps for Sexual and Reproductive Health Education: a Systematic Review and Quality Assessment. Curr Sex Health Rep. doi: 10.1007/s11930-023-00359-w

Müller, F., Kubitza, M., von Berg, M.-L., Tomczyk, S., Tutt, L., & Fiedrich, F. (2024). Teil 1: Belastungen und Ressourcen im Kontext der Flutkatastrophe 2021. Ergebnisse der Studie FLUTPerspektive PSNV - quantitative Befragung der Einsatzkräfte. BBK Bevölkerungsschutz 1/2024, 37-40.

Tomczyk, S., Brüser, J., Feltz, O., Jais, D., & Wiesemüller, M. (2024). Gutachten zum Phänomen des digitalen Hasses und der digitalen Hetze. Landespräventionsrat Niedersachen: Hannover. https://nbn-resolving.org/urn:nbn:de:gbv:9-opus-109426