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Main Areas of Research

• Affective processes
• Nonverbal behavior
• Self-talk

Academic Career

• Since 04/24: Senior Researcher, Sport and Exercise Psychology Unit, Institute of Sports Sciences, Goethe-University Frankfurt 
• 07/21: Awarding of the Doctoral Degree, University of Thessaly and University of Copenhagen
• 10/18 - 05/24: Research Associate, Department of Health Education and Sport Psychology, Institute of Sports and Sports Science, Karlsruhe Institute of Technology
• 08/23 - 02/24: Guest Researcher at Boston University (Performance, Recovery & Optimization Lab)
• 08/17 - 09/18: Research Associate, Sport and Exercise Psychology Unit, Institute of Sports Sciences, Goethe-University Frankfurt 

Memberships in Scientific Associations

• German Association of Sport Psychology (asp)
• European Network of Young Specialists in Sport Psychology

Publications in peer-reviewed Journals

2024

Fritsch, J. (2024). Unveiling the emotional dynamics of sports: Antecedents and consequences of affective expressive behaviors. Journal of Applied Sport and Exercise Psychology. https://doi.org/10.1026/2941-7597/a000017

Fritsch, J., Fiedler, J., Hatzigeorgiadis, A., & Jekauc, D. (2024). Examining the relation between emotional experiences and emotional expressions in competitive tennis matches. Frontiers in Psychology. 14:1287316. https://doi.org/10.3389/fpsyg.2023.1287316

Fritsch, J., Nonnenmann, J., Engelmann, N., Latinjak, A. T., Hatzigeorgiadis, A., & Jekauc, D. (2024). Exploring proportions of spontaneous and goal-directed self-talk - It is not always the one or the other. Psychology of Sport and Exercise, 75, 102704. Advance online publication. https://doi.org/10.1016/j.psychsport.2024.102704

Feil, K., Fritsch, J., Weyland, S., Rittmann, L.-M., Schmidt, D., & Jekauc, D. (2024). WiN-Reha—effectiveness and durability of effects of orthopedic rehabilitation programs and the study of psychological determinants of aftercare behaviors: a study protocol. Frontiers in Rehabilitation Sciences. 5:1333924. https://doi: 10.3389/fresc.2024.1333924

Jekauc, D., Vrancic, D., & Fritsch, J. (2024). Insights from elite soccer players: Understanding the downward spiral and the complex dynamics of crises. German Journal of Exercise and Sport Research. https://doi.org/10.1007/s12662-024-00968-0

Jekauc, D., Burkart, D., Fritsch, J., Hesenius, M., Meyer, O., Sarfraz, S., & Stiefelhagen, R. (2024). Recognizing affective states from the expressive behavior of tennis players using convolutional neural networks. Knowledge-Based Systems, 295:111856. https://doi.org/ 10.1016/j.knosys.2024.111856

Leis, O., Sharpe, B. T., Pelikan, V., Fritsch, J., Nicholls, A., & Poulus, D. (2024). Stressors and coping strategies in esports: A systematic review. International Review of Sport and Exercise Psychology, Advance online publication. https://doi.org/10.1080/1750984X.2024.2386528

Schmidt, D., Fritsch, J., Feil, K., Weyland, S., Rittmann, L.-M., & Jekauc, D. (2024). Impact of digital and conventional rehabilitation aftercare on physical and mental health in orthopedic patients in Germany. Frontiers in Public Health, 12.1344063. https://doi.org/10.3389/fpubh.2024.1344063

2023

Fritsch, J., Ebert, S., & Jekauc, D. (2023). The recognition of affective states associated with players’ non-verbal behavior in volleyball. Psychology of Sport and Exercise, 102329. https://doi.org/10.1016/j.psychsport.2022.102329 

Fritsch, J., Leis, O., Wohlfarth, D., Triller, N., & Jekauc, D. (2023). The role of emotional convergence in sport: a scoping review. Sport, Exercise, and Performance Psychology. Advance online publication. https://doi.org/10.1037/spy0000330

Fritsch, J., Nigg, C., Niessner, C., Schmidt, S., Woll., A, & Jekauc, D. (2023). Testing the Weiss-Harter-Model in a prospective study design: The importance of perceived social support for youth physical activity. German Journal of Exercise and Sport Research, Advance Online Publication.

Fritsch, J., Seiler, K., Wagner, M., Englert, C., & Jekauc, D. (2023). Can you tell who scores? An assessment of the recognition of affective states based on the nonverbal behavior of amateur tennis players in competitive matches. Journal of Sport and Exercise psychology, 45, 138–147. https://doi.org/10.1123/jsep.2022-0182

Fritsch, J., Weyland, S., Vorgic, S., & Jekauc, D. (2023). The assessment of the halo-effect in a questionnaire rating dimensions of coaches’ competence, International Journal of Sport and Exercise Psychology. Advance online publication. https://doi.org/10.1080/1612197X.2023.2291727

Feil, K., Fritsch, J., & Rhodes, R. E. (2023). The intention-behaviour gap in physical activity: a systematic review and meta-analysis of the action control framework. British Journal of Sports Medicine, bjsports-2022-106640. Advance online publication. https://doi.org/10.1136/bjsports-2022-106640

Feil, K., Fritsch, J., Weyland, S., Warmbrunn, U., & Jekauc, D. (2023). The role of anticipated affect in the context of physical activity: a scoping review, International Review of Sport and Exercise Psychology, Advance online publication. https://doi.org/10.1080/1750984X.2023.2275249

Jekauc, D., Fiedler, J., Wunsch, K., Mülberger, L., Burkart, D., Kilgus A., & Fritsch, J.  (2023). The effect of self-confidence on performance in sports: a meta-analysis and narrative review, International Review of Sport and Exercise Psychology, https://doi.org/10.1080/1750984X.2023.2222376

Schmidt, D., Fritsch, J., Feil, K, Weyland, S., & Jekauc, D. Impact of a digital and conventional prevention program on work ability, physical health, and mental health among employees with initial impairments. BMC Digital Health, 1, 39. https://doi.org/10.1186/s44247-023-00043-y

Strauch, U. G., Fritsch, J., Weyland, S., Wäsche, H., Vorgic, S., & Jekauc, D. (2023). Erfassung der Handlungskompetenzen von Übungsleitenden: Entwicklung und Analyse der Reliabilität und Validität eines Fragebogens. Zeitschrift für Sportpsychologie, 30, 47-63. https://doi.org/10.1026/1612-5010/a000376.

2022

Fritsch, J., Feil, K., Jekauc, D., Latinjak, A., & Hatzigeorgiadis, A. (2022). The relationship between self-talk and affective processes in sports: a scoping review. International Review of Sport and Exercise Psychology, Advance online publication. https://10.1080/1750984X.2021.2021543

Fritsch, J., Jekauc, D., Elsborg, P., Latinjak, A.T., Reichert, M., & Hatzigeorgiadis, A. (2022). Self-talk and emotions in tennis players during competitive matches. Journal of Applied Sport Psychology, 34 (3), 518-538. https://doi.org/10.1080/10413200.2020.1821406

Fritsch, J., Preine, L., & Jekauc, D. (2022). The examination of factors influencing the recognition of affective states associated with tennis players’ non-verbal behavior. Psychology of Sport and Exercise, 102206. https://doi.org/10.1016/j.psychsport.2022.102206

Fritsch, J., Redlich, D., Latinjak, A. T., & Hatzigeorgiadis, A. (2022). The behavioural component of emotions: Exploring outward emotional reactions in table tennis. International Journal of Sport and Exercise Psychology, 20 (2), 397-415. https://doi.org/10.1080/1612197X.2021.1877324

Fritsch, J., Weyland, S., Feil, K., Burchartz, A., Schmidt, S., Woll, A., Strauch, U., Wienke, B., & Jekauc, D. (2022). A Study on the Psychometric Properties of the Short Version of the Physical Activity Enjoyment Scale in an Adult Population. International Journal of Environmental Research and Public Health, 19(22), 15294. https://doi.org/10.3390/ijerph192215294

Feil, K., Weyland, S., Fritsch, J., Wäsche, H., & Jekauc, D. (2022). Anticipatory and Anticipated Emotions in Regular and Non-regular Exercisers - A Qualitative Study. Frontiers in Psychology, 13, 929380. https://doi.org/10.3389/fpsyg.2022.929380

Weyland, S., Fritsch, J., Feil, K. and Jekauc, D. (2022). Investigating the relation between affective responses and exercise instigation habits in an affect-based intervention for exercise trainers: A longitudinal field study. Frontiers in Psychology, 13, 994177.  https://doi.org/10.3389/fpsyg.2022.994177

2021

Fritsch, J., & Latinjak, A. T. (2021). The content of goal-directed self-talk in volitional processes. Zeitschrift für Sportpsychologie, 28, 45-53. https://doi.org/10.1026/1612-5010/a000322

Fritsch, J., Feil, K., Weyland, S., & Jekauc, D., (2021). Effectivity of a mHealth intervention for individuals with obesity: a study protocol for a controlled intervention study. BMC Sports Science, Medicine and Rehabilitation, 13, 112. https://doi.org/10.1186/s13102-021-00337-6

Abdelkarim, O., Fritsch, J., Jekauc, D., & Bös, K. (2021). Examination of construct validity and criterion-related validity of the German motor test in Egyptian schoolchildren. International Journal of Environmental Research and Public Health, 18, 8341. https://dx.doi.org/10.3390/ijerph18168341

Chen, C., Weyland, S., Fritsch, J., Woll, A., Niessner, C., Burchartz, A., Schmidt, S., & Jekauc, D. (2021). A short version of the Physical Activity Enjoyment Scale: Development and psychometric properties. International Journal of Environmental Research and Public Health, 18(21), 11035. https://doi.org/10.3390/ijerph182111035

Jekauc, D., Fritsch, J., & Latinjak, A. T.  (2021). Toward a theory of emotions in competitive sports. Frontiers in Psychology, 12, 790423. https://doi.org/10.3389/fpsyg.2021.790423

Jekauc, D., Mülberger, L., Weyland, S., Ennigkeit, F., Wunsch, K., Krell-Roesch, J., & Fritsch, J. (2021). Reliability and validity of the German version of the Emotional Style Questionnaire. Frontiers in Psychology, 12, 749585. https://doi.org/10.3389/fpsyg.2021.749585

Jekauc, D., Rayling, S., Klopp, S., Schmidt, D., Rittmann, L.-M., & Fritsch, J. (2021). Effects of a web-based rehabilitation aftercare on subjective health, work ability and motivation: a partially randomized controlled trial. BMC Musculoskeletal Disorders, 22, 366. https://doi.org/10.1186/s12891-021-04239-z

2020

Fritsch, J., Finne, E., Jekauc, D., Zerdila, D., Elbe, A.-M., & Hatzigeorgiadis, A. (2020). Antecedents and consequences of outward emotional reactions in table tennis. Frontiers in Psychology, 11:578159. https://doi.org/10.3389/fpsyg.2020.578159

Fritsch, J., Hatzigeorgiadis, A., Jekauc, D., & Latinjak, A. T. (2020). Ein theoretischer Beitrag zu Self-talk in der Sportpsychologie. Zeitschrift für Sportpsychologie, 27, 85-94. https://doi.org/10.1026/1612-5010/a000302

2018

Fritsch, J., Elbe, A.-M., & Hatzigeorgiadis, A. (2018). Ein Plädoyer für eine verstärkte Berücksichtigung der Verhaltenskomponente in der sportpsychologischen Emotionsforschung. Zeitschrift für Sportpsychologie, 25, 79-88. doi:10.1026/1612-5010/a000220

Book Chapters

Fritsch, J. & Latinjak, A. T. (2021). Emotionen, Stress und Coping im sportlichen Wettbewerb [Emotions, stress and coping in sports competition]. In A. Güllich (Ed.), Sport in Kultur und Gesellschaft – Handbuch Sport und Sportwissenschaft (pp. 1-14), Springer: Berlin, Heidelberg. doi:10.1007/978-3-662-53385-7_32-1

Fritsch, J., Latinjak, A. T., & Hatzigeorgiadis, A. (2021). Self-talk and emotions in sport. In M. C. Ruiz & C. Robazza (Eds.), Feelings in sport - Theory, research and practical implications for performance and well-being (pp. 120-130). Routledge.

Fritsch, J., & Jekauc, D. (2020). Self-talk and emotion regulation. In A. T. Latinjak & A. Hatzigeorgiadis (Eds.), Self-talk in sport (pp. 64-76). Routledge.