Dr. Irina Timm
- Academic staff
011, Geb. 06.31
+49 721 608 - 41973
Irina Timm ∂does-not-exist.kit edu
Engler-Bunte-Ring 15
76131 Karlsruhe
2026
Bonn, K.; Wohlfarth, D.; Timm, I.; Bender, O.; Ebner Priemer, U. W.; Giurgiu, M. (2026). Associations Between 24-Hour Physical Behavior, SelfPerceived Stress, and Coping Self-Efficacy in Everyday Life: Ambulatory Assessment Study. JMIR mhealth and uhealth, 14, Art.-Nr.: e81502. doi:10.2196/81502
Rehder, J.; Timm, I.; Berretz, G.; Reinhard, I.; Neubauer, A. B.; Güntürkün, O.; Takano, K.; Bierbauer, W.; Cabrita, M.; Bourke, M.; Smyth, J.; Kim, J.; Michalak, J.; Curtiss, J.; Pannicke, B.; Gallagher, J. B.; Abrantes, A. M.; Nakamura, T.; Yamamoto, Y.; Cook, P.; Wieland, L. M.; von Haaren-Mack, B.; McCormick, B.; Hachenberger, J.; Vetrovsky, T.; Henwood, B.; Poppe, L.; Sudeck, G.; Hollands, L.; Goldschmidt, A. B.; Martire, L.; Kanning, M.; Maher, J. P.; Li, Y.-M.; Reininghaus, U.; Berli, C.; Seiferth, C.; Hevel, D. J.; Leger, K.; Staiano, A. E.; Zeeck, A.; Calza, S.; Liao, Y.; Ruissen, G. R.; Reif, A.; Grimm, O.; Freitag, C.; Mayer, J.; Ramos-Quiroga, T.; Fadeuilhe, C.; Kuntsi, J.; Asherson, P.; Pawley, A.; Buitelaar, J.; Suess, E.; Ebner-Priemer, U.; Schwerdtfeger, A. R.; Haucke, M.; Pham, L. T.; Liu, S.; Thomas, M. C.; Meyer-Lindenberg, A.; Dunton, G. F.; Elavsky, S.; Giurgiu, M.; Packheiser, J.; Reichert, M.; CoCA Consortium. (2026). An individual participant data meta-analysis of how physical activity relates to affective well-being in daily life. Nature Human Behaviour. doi:10.1038/s41562-026-02427-2
2025
Giurgiu, M.; Hysenllari, E.; Ottenbacher, J.; Ebner-Priemer, U.; Timm, I. (2025). Calibration and evaluation of MET models for estimating energy expenditure using thigh and ankle-worn move 4 accelerometer. Translational exercise biomedicine, 2 (4), 315–325. doi:10.1515/teb-2025-0027
Giurgiu, M.; Haaren-Mack, B. von; Fiedler, J.; Woll, S.; Burchartz, A.; Kolb, S.; Ketelhut, S.; Kubica, C.; Nigg, C. R.; Timm, I.; Thron, M.; Schmidt, S. C. E.; Wunsch, K.; Müller, G.; Nigg, C. R.; Woll, A.; Reichert, M.; Ebner-Priemer, U. W.; Bussmann, J. B. J. (2025). The wearable landscape: Issues pertaining to the validation of the measurement of 24-h physical activity, sedentary, and sleep behavior assessment. Journal of sport and health science, 14, Art.Nr: 101006. doi:10.1016/j.jshs.2024.101006
Timm, I. (2025, November 6). The Association between Physical Behavior and Affective Well-being: The Impact of Social Contacts and Environmental Factors = Der Zusammenhang zwischen Bewegungsverhalten und mentalem Wohlbefinden: Einfluss von sozialen Kontakten und Umweltfaktoren. PhD dissertation. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000186050
Singh, B.; Ahmed, M.; Staiano, A. E.; Vasiloglou, M. F.; Gough, C.; Petersen, J. M.; Yin, Z.; Vandelanotte, C.; Kracht, C.; Fiedler, J.; Timm, I.; Dallinga, J.; Sivakumar, B.; Baumann, H.; Huong, C.; Wunsch, K.; Suárez-Reyes, M.; Schoeppe, S.; Button, A. M.; Spring, K.; Maher, C. (2025). Lifestyle eHealth and mHealth Interventions for Children and Adolescents: Systematic Umbrella Review and Meta–Meta-Analysis. Journal of medical internet research, 27, Artikelnr.: e69065. doi:10.2196/69065
Sers, S.; Timm, I.; de Vries, E. A.; Wäsche, H.; Woll, A.; Bender, O.; Giurgiu, M. (2025). Working from home and physical behavior among office workers: An Ambulatory Assessment study. 12th International Scientific Conference on the Prevention of Work-Related Musculoskeletal Disorders (PREMUS 2025); Abstracts, 9th - 12th September 2025, Tübingen.
2024
Giurgiu, M.; Timm, I.; Ebner Priemer, U. W.; Schmiedek, F.; Neubauer, A. B. (2024). Causal effects of sedentary breaks on affective and cognitive parameters in daily life: A within-person encouragement design. npj mental health research, 3 (1), Art.-Nr.: 64. doi:10.1038/s44184-024-00113-7
Timm, I.; Giurgiu, M.; Ebner-Priemer, U. W.; Reichert, M. (2024). The Within-Subject Association of Physical Behavior and Affective Well-Being in Everyday Life: A Systematic Literature Review. Sports medicine, Springer. doi:10.1007/s40279-024-02016-1
Benedyk, A.; Reichert, M.; Giurgiu, M.; Timm, I.; Reinhard, I.; Nigg, C.; Berhe, O.; Moldavski, A.; von der Goltz, C.; Braun, U.; Ebner-Priemer, U. W.; Meyer-Lindenberg, A.; Tost, H. (2024). Real-life behavioral and neural circuit markers of physical activity as a compensatory mechanism for social isolation. Nature Mental Health, 2, 337–342. doi:10.1038/s44220-024-00204-6
2020
Reichert, M.; Giurgiu, M.; Koch, E. D.; Wieland, L. M.; Lautenbach, S.; Neubauer, A. B.; Haaren-Mack, B. von; Schilling, R.; Timm, I.; Notthoff, N.; Marzi, I.; Hill, H.; Brüßler, S.; Eckert, T.; Fiedler, J.; Burchartz, A.; Anedda, B.; Wunsch, K.; Gerber, M.; Jekauc, D.; Woll, A.; Dunton, G. F.; Kanning, M.; Nigg, C. R.; Ebner-Priemer, U.; Liao, Y. (2020). Ambulatory assessment for physical activity research: State of the science, best practices and future directions. Psychology of sport and exercise, 50, Article no: 101742. doi:10.1016/j.psychsport.2020.101742
2026
Bonn, K.; Wohlfarth, D.; Timm, I.; Bender, O.; Ebner Priemer, U. W.; Giurgiu, M. (2026). Associations Between 24-Hour Physical Behavior, SelfPerceived Stress, and Coping Self-Efficacy in Everyday Life: Ambulatory Assessment Study. JMIR mhealth and uhealth, 14, Art.-Nr.: e81502. doi:10.2196/81502
Rehder, J.; Timm, I.; Berretz, G.; Reinhard, I.; Neubauer, A. B.; Güntürkün, O.; Takano, K.; Bierbauer, W.; Cabrita, M.; Bourke, M.; Smyth, J.; Kim, J.; Michalak, J.; Curtiss, J.; Pannicke, B.; Gallagher, J. B.; Abrantes, A. M.; Nakamura, T.; Yamamoto, Y.; Cook, P.; Wieland, L. M.; von Haaren-Mack, B.; McCormick, B.; Hachenberger, J.; Vetrovsky, T.; Henwood, B.; Poppe, L.; Sudeck, G.; Hollands, L.; Goldschmidt, A. B.; Martire, L.; Kanning, M.; Maher, J. P.; Li, Y.-M.; Reininghaus, U.; Berli, C.; Seiferth, C.; Hevel, D. J.; Leger, K.; Staiano, A. E.; Zeeck, A.; Calza, S.; Liao, Y.; Ruissen, G. R.; Reif, A.; Grimm, O.; Freitag, C.; Mayer, J.; Ramos-Quiroga, T.; Fadeuilhe, C.; Kuntsi, J.; Asherson, P.; Pawley, A.; Buitelaar, J.; Suess, E.; Ebner-Priemer, U.; Schwerdtfeger, A. R.; Haucke, M.; Pham, L. T.; Liu, S.; Thomas, M. C.; Meyer-Lindenberg, A.; Dunton, G. F.; Elavsky, S.; Giurgiu, M.; Packheiser, J.; Reichert, M.; CoCA Consortium. (2026). An individual participant data meta-analysis of how physical activity relates to affective well-being in daily life. Nature Human Behaviour. doi:10.1038/s41562-026-02427-2
2025
Giurgiu, M.; Hysenllari, E.; Ottenbacher, J.; Ebner-Priemer, U.; Timm, I. (2025). Calibration and evaluation of MET models for estimating energy expenditure using thigh and ankle-worn move 4 accelerometer. Translational exercise biomedicine, 2 (4), 315–325. doi:10.1515/teb-2025-0027
Giurgiu, M.; Haaren-Mack, B. von; Fiedler, J.; Woll, S.; Burchartz, A.; Kolb, S.; Ketelhut, S.; Kubica, C.; Nigg, C. R.; Timm, I.; Thron, M.; Schmidt, S. C. E.; Wunsch, K.; Müller, G.; Nigg, C. R.; Woll, A.; Reichert, M.; Ebner-Priemer, U. W.; Bussmann, J. B. J. (2025). The wearable landscape: Issues pertaining to the validation of the measurement of 24-h physical activity, sedentary, and sleep behavior assessment. Journal of sport and health science, 14, Art.Nr: 101006. doi:10.1016/j.jshs.2024.101006
Timm, I. (2025, November 6). The Association between Physical Behavior and Affective Well-being: The Impact of Social Contacts and Environmental Factors = Der Zusammenhang zwischen Bewegungsverhalten und mentalem Wohlbefinden: Einfluss von sozialen Kontakten und Umweltfaktoren. PhD dissertation. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000186050
Singh, B.; Ahmed, M.; Staiano, A. E.; Vasiloglou, M. F.; Gough, C.; Petersen, J. M.; Yin, Z.; Vandelanotte, C.; Kracht, C.; Fiedler, J.; Timm, I.; Dallinga, J.; Sivakumar, B.; Baumann, H.; Huong, C.; Wunsch, K.; Suárez-Reyes, M.; Schoeppe, S.; Button, A. M.; Spring, K.; Maher, C. (2025). Lifestyle eHealth and mHealth Interventions for Children and Adolescents: Systematic Umbrella Review and Meta–Meta-Analysis. Journal of medical internet research, 27, Artikelnr.: e69065. doi:10.2196/69065
Sers, S.; Timm, I.; de Vries, E. A.; Wäsche, H.; Woll, A.; Bender, O.; Giurgiu, M. (2025). Working from home and physical behavior among office workers: An Ambulatory Assessment study. 12th International Scientific Conference on the Prevention of Work-Related Musculoskeletal Disorders (PREMUS 2025); Abstracts, 9th - 12th September 2025, Tübingen.
Baumann, H.; Singh, B.; Staiano, A.; Cough, C.; Ahmed, M.; Fiedler, J.; Timm, I.; Wunsch, K.; Button, A.; Yin, Z.; Vasiloglou, M. F.; Sivakumar, B.; Petersen, J. M.; Dallinga, J.; Huong, C.; Schoeppe, S.; Kracht, C. L.; Spring, K.; Maher, C.; Vandelanotte, C. (2025). Effectiveness of mHealth interventions targeting physical activity, sedentary behaviour, sleep or nutrition on emotional, behavioural and eating disorders in adolescents: a systematic review and meta-analysis. Frontiers in digital health, 7. doi:10.3389/fdgth.2025.1593677
2024
Zachmann, G.; Timm, I. (2024). Macht Bewegung glücklich?. doi:10.5445/IR/1000171231
Giurgiu, M.; Timm, I.; Ebner Priemer, U. W.; Schmiedek, F.; Neubauer, A. B. (2024). Causal effects of sedentary breaks on affective and cognitive parameters in daily life: A within-person encouragement design. npj mental health research, 3 (1), Art.-Nr.: 64. doi:10.1038/s44184-024-00113-7
Timm, I.; Giurgiu, M.; Ebner-Priemer, U. W.; Reichert, M. (2024). The Within-Subject Association of Physical Behavior and Affective Well-Being in Everyday Life: A Systematic Literature Review. Sports medicine, Springer. doi:10.1007/s40279-024-02016-1
Benedyk, A.; Reichert, M.; Giurgiu, M.; Timm, I.; Reinhard, I.; Nigg, C.; Berhe, O.; Moldavski, A.; von der Goltz, C.; Braun, U.; Ebner-Priemer, U. W.; Meyer-Lindenberg, A.; Tost, H. (2024). Real-life behavioral and neural circuit markers of physical activity as a compensatory mechanism for social isolation. Nature Mental Health, 2, 337–342. doi:10.1038/s44220-024-00204-6
2023
Timm, I.; Reichert, M.; Ebner-Priemer, U. W.; Giurgiu, M. (2023, September 30). Momentary within-subject associations of affective states and physical behavior are moderated by weather conditions in real life: an ambulatory assessment study. International journal of behavioral nutrition and physical activity, 20, Art.-Nr.: 117, Springer Fachmedien Wiesbaden. doi:10.1186/s12966-023-01507-0
Sers, S.; Timm, I.; de Vries, E. A.; Wäsche, H.; Woll, A.; Bender, O.; Giurgiu, M. (2023). Insights on physical behavior while working from home: An ecological momentary assessment study. Scandinavian Journal of Medicine and Science in Sports, 33 (11), 2273–2285. doi:10.1111/sms.14447
Giurgiu, M.; Ketelhut, S.; Kubica, C.; Nissen, R.; Doster, A.-K.; Thron, M.; Timm, I.; Giurgiu, V.; Nigg, C. R.; Woll, A.; Ebner-Priemer, U. W.; Bussmann, J. B. J. (2023). Assessment of 24-hour physical behaviour in adults via wearables: a systematic review of validation studies under laboratory conditions. International journal of behavioral nutrition and physical activity, 20, Art.Nr. 68. doi:10.1186/s12966-023-01473-7
2022
Giurgiu, M.; Kolb, S.; Nigg, C.; Burchartz, A.; Timm, I.; Becker, M.; Rulf, E.; Doster, A.-K.; Koch, E.; Bussmann, J. B. J.; Nigg, C.; Ebner-Priemer, U. W.; Woll, A. (2022). Assessment of 24-hour physical behaviour in children and adolescents via wearables: a systematic review of free-living validation studies. BMJ Open Sport & Exercise Medicine, 8 (2), Article no: e001267. doi:10.1136/bmjsem-2021-001267
Giurgiu, M.; Nigg, C.; Fiedler, J.; Timm, I.; Rulf, E.; Bussmann, J. B. J.; Nigg, C. R.; Ebner-Priemer, U. W.; Woll, A. (2022). The Assessment of 24-Hr Physical Behavior in Children and Adolescents via Wearables: A Systematic Review of Laboratory Validation Studies. Journal for the Measurement of Physical Behaviour, 5 (4), 263–276. doi:10.1123/jmpb.2022-0014
Giurgiu, M.; Timm, I.; Becker, M.; Schmidt, S.; Wunsch, K.; Nissen, R.; Davidovski, D.; Bussmann, J. B. J.; Nigg, C. R.; Reichert, M.; Ebner-Priemer, U. W.; Woll, A.; Haaren-Mack, B. von. (2022). Quality Evaluation of Free-living Validation Studies for the Assessment of 24-Hour Physical Behavior in Adults via Wearables: Systematic Review. JMIR mHealth and uHealth, 10 (6), Art.-Nr.: e36377. doi:10.2196/36377
2021
Reichert, M.; Gan, G.; Renz, M.; Braun, U.; Brüßler, S.; Timm, I.; Ma, R.; Berhe, O.; Benedyk, A.; Moldavski, A.; Schweiger, J. I.; Hennig, O.; Zidda, F.; Heim, C.; Banaschewski, T.; Tost, H.; Ebner-Priemer, U. W.; Meyer-Lindenberg, A. (2021). Ambulatory assessment for precision psychiatry: Foundations, current developments and future avenues. Experimental neurology, 345, Art.-Nr.: 113807. doi:10.1016/j.expneurol.2021.113807
Timm, I.; Rapp, S.; Jeuter, C.; Bachert, P.; Reichert, M.; Woll, A.; Wäsche, H. (2021). Interorganizational Networks in Physical Activity Promotion: A Systematic Review. International journal of environmental research and public health, 18 (14), Article no: 7306. doi:10.3390/ijerph18147306
2020
Reichert, M.; Giurgiu, M.; Koch, E. D.; Wieland, L. M.; Lautenbach, S.; Neubauer, A. B.; Haaren-Mack, B. von; Schilling, R.; Timm, I.; Notthoff, N.; Marzi, I.; Hill, H.; Brüßler, S.; Eckert, T.; Fiedler, J.; Burchartz, A.; Anedda, B.; Wunsch, K.; Gerber, M.; Jekauc, D.; Woll, A.; Dunton, G. F.; Kanning, M.; Nigg, C. R.; Ebner-Priemer, U.; Liao, Y. (2020). Ambulatory assessment for physical activity research: State of the science, best practices and future directions. Psychology of sport and exercise, 50, Article no: 101742. doi:10.1016/j.psychsport.2020.101742
Reichert, M.; Schlegel, S.; Jagau, F.; Timm, I.; Wieland, L.; Ebner-Priemer, U. W.; Hartmann, A.; Zeeck, A. (2020). Mood and Dysfunctional Cognitions Constitute Within-Subject Antecedents and Consequences of Exercise in Eating Disorders. Psychotherapy and psychosomatics, 89 (2), 119–121. doi:10.1159/000504061
Research areas
- I am a member of the mental mhealth Lab at KIT
- Content and/or methodological collaboration in the DFG project: EMIA - Experimental Manipulation in Everyday Life
- Decision-making in Hybrid Adaptive Systems for Better Work & Life – An Open Science Approach (KIT Future Fields 3)
- Proximity-Triggered Just-in-Time Adaptive Interventions for Increasing Physical Activity in Daily Life (Emerging Field Health Technologies)
Teaching
- Individual modules of VL "Einführung Sportwissenschaft" (Bachelor)
- Individual modules of VL "Sozial- und Verhaltenswissenschaften des Sports" (Master)
- WF Beachvolleyball
- PS Wissenschaftliches Arbeiten (BA)
- PS Forschungsplanung und -durchführung
- VL Forschungsmethoden II
Vita
| seit 2025 | Postdoc at the Chair of Applied Psychology (Prof. Dr. Ebner-Priemer) at the Karlsruhe Institute of Technology (KIT) |
| 2021-2025 | Doctorate on the topic “The Association between Physical Behavior and Affective Well-being: The Impact of Social Contacts and Environmental Factors” at the Karlsruhe Institute of Technology (KIT). Grade: summa cum laude |
| 2021 | Graduate Studies in Sport Science (M.Sc.) Karlsruhe Institute of Technology (KIT) |
| 2019-2021 | Research Assistant at the Learning Lab, House of Competence of the Karlsruhe Institute of Technology (KIT) |
| 2018-2021 | Research Assistant at the Chair of Applied Psychology at the Karlsruhe Institute of Technology (KIT) |
| 2017 | Graduate Studies Sports Science and Psychology (B.Sc.) Ruprecht-Karls-University Heidelberg |
| 2015 | Research Assistant Project for Diversity Ruprecht-Karls-University Heidelberg |
Scientific Associations: Memberships
- Arbeitsgemeinschaft Sportpsychologie (ASP)
- Deutsche Gesellschaft für Psychologie e.V. (DGPs)
- Deutsche Vereinigung für Sportwissenschaft e.V. (dvs)
- International Society for the Measurement of Physical Behaviour (ISMPB)
- Society for Ambulatory Assessment (SAA)
- International Society of Behavioral Nutrition and Physical Activity (ISBNPA)
Awards and scholarships
- KIT Doctoral Award: Winner of the 18th Doctoral Award from the Karlsruhe Institute of Technology, 2025
- KIT Future Fields – Starter Fund: Competitively awarded project funding as part of KIT’s excellence strategy for the project “Proximity-Triggered Just-in-Time Adaptive Interventions for Increasing Physical Activity in Daily Life” (01/2026 – 12/2026)
- Peer Mentoring Program of the Health Psychology section of the German Psychological Society (DGPs): Competitively awarded funding jointly with Johanna Rehder (Ruhr University Bochum) 2022