1. Bandura, A. (1997). Self-efficacy: The exercise of control. W H Freeman/Times Books/ Henry Holt & Co.
2. Bardel, M.-H., Fontayne, P., Colombel, F., & Schiphof, L. (2010). Effects of match result and social comparison on sport state self-esteem fluctuations. Psychology of Sport and Exercise, 11(3), 171-176. http://dx.doi.org/10.1016/j.psychsport.2010.01.005
3. Blanton, H., & Stapel, D. A. (2013). "Unconscious and spontaneous and … complex: The three selves model of social comparison assimilation and contrast": Retraction of Blanton and Stapel (2008). Journal of Personality and Social Psychology, 104(1), 198. https://doi.org/10.1037/a0031266
4. Buunk, A. P., Bennenbroek, F. T. C., Stiegelis, H. E., Van Den Bergh, A. C. M., Sandeman, R., & Hagedoorn. M. (2012). Follow-up effects of social comparison information on the quality of life of cancer patients: The moderating role of social comparison orientation. Psychology and Health, 27(6), 641 654. http://dx.doi.org/10.1080/08870446.2011.613994
5. Cagle, J. A., Overcash, K. B., Rowe, D. P., & Needle, A. R. (2017). Trait Anxiety as a Risk Factor for Musculoskeletal Injury in Athletes: A Critically Appraised Topic. International Journal of Athletic Therapy & Training, 22(3). http://dx.doi.org/10.1123/ijatt.2016-0065
6. Casali, N., Ghisi, M., Jansen, P., Feraco, T., & Meneghetti, C. (2022). What can affect competition anxiety in Athletes? The role of self-compassion and repetitive negative thinking. Psychological reports, 125(4), 2009-2028. https://doi.org/10.1177/00332941211017
7. Charbonneau, D., Barling, J., & Kelloway, E.K. (2001). Transformational leadership and sports performance‚the mediating role of intrinsic motivation. Journal of Applied Social Psychology‚ pp, 1521-1534.
8. Collins, R. (1996). For better or worse: The impact of upward social comparison on self-evaluations. Psychological bulletin, 119 (1), 51.
9. Diel, K., Broeker, L., Raab, M., & Hofmann, W. (2021). Motivational and emotional effects of social comparison in sports. Psychology of Sport and Exercise, 57, 102048. https://doi.org/10.1016/j.psychsport.2021.102048
10. Festinger, L. (1954). A theory of social comparison processes. Human relations, 7(2), 117-140. https://doi.org/10.1177/001872675400700202
11. Folkman, S., & Moskowitz, J. T. (2000). Positive affect and the other side of coping. American psychologist, 55(6), 647. https://doi.org/10.1177/001872675400700
12. Ford, J. L., Ildefonso, K., Jones, M. L., & Arvinen-Barrow, M. (2017). Sport-related anxiety: current insights. Open access journal of sports medicine, 205-212. https://doi.org/10.2147/OAJSM.S125845
13. Gerber, J. P., Wheeler, L., & Suls, J. (2018). A social comparison theory meta-analysis 60+ years on. Psychological bulletin, 144(2), 177. http://dx.doi.org/10.1037/bul0000127
14. Gibbons, F. X., & Buunk, B. P. (1999). Individual differences in social comparison: development of a scale of social comparison orientation. Journal of personality and social psychology, 76(1), 129-142. https://psycnet.apa.org/doi/10.1037/0022-3514.76.1.129
15. Gotwals, J., & Wayment, H. A. (2002). Evaluation strategies, self-esteem, and athletic performance. Current research in social psychology, 8(6), 84-101.
16. Hill, D. M., & Shaw, G. (2013). A qualitative examination of choking under pressure in team sport. Psychology of Sport and Exercise, 4(1): 101-4. https://doi.org/10.1016/j.psychsport.2012.07.008
17. Hogue, C. M., Fry, M. D., & Fry, A. C. (2017). The differential impact of motivational climate on adolescents’ psychological and physiological stress responses. Psychology of Sport and Exercise, 30, 118-127. https://doi.org/10.1016/j.psychsport.2017.02.004
18. Lane, A. M., Totterdell, P., MacDonald, I., Devonport, T. J., Friesen, A. P., & Beedie, C. J. (2016). Brief online training enhances competitive performance: Findings of the BBC Lab UK psychological skills intervention study. Frontiers in Psychology, 7, 186881. https://doi.org/10.3389/fpsyg.2016.00413
19. Malziri, M. , Bagheri, S. and Naderi, A. (2025). Influence of Competitive Anxiety and Psychological Stress as Predictors of Sports Injuries in Youth Soccer Players: a prospective cohort study. Sport Psychology Studies. (In Persian). https://doi.org/10.22089/spsyj.2024.17205.2507
20. Martens, R. (1990). Development and validation of the competitive state anxiety inventory-2. Competitive state anxiety in sport/Human Kinetics. https://doi.org/10.1123/jsep.25.4.519
21. Martinot, D., & Redersdorff, S. (2003). Impact of comparisons with out‐group members on women's self‐esteem: Role of the stereotypical connotation of the performance context. International Journal of Psychology, 38(6), 348-358. https://doi.org/10.1080/00207590344000015
22. Mokari Saei, S; Hosseini, F. S; & Ahmadi, M. (2024). The Role of General Self-Efficacy and Psychological Resistance to Psychological Management in Premier League Basketball Players. Sport Psychology Studies, 12(46), 41-56. (In Persian). https://doi.org/10.22089/spsyj.2020.9224.2003
23. Nicholls, A. R., Levy, A. R., Carson, F., Thompson, M. A., & Perry, J. L. (2016). The applicability of self-regulation theories in sport: goal adjustment capacities, stress appraisals, coping, and well-being among athletes. Psychology of Sport and Exercise, 27, 47-55. https://doi.org/10.1016/j.psychsport.2016.07.011
24. Paz, V., Nicolaisen‐Sobesky, E., Fernández‐Theoduloz, G., Pérez, A., Cervantes Constantino, F., Martínez‐Montes, E., . . . Gradin, V. B. (2023). Event‐related potentials of social comparisons in depression and social anxiety. Psychophysiology, e14643. https://doi.org/10.1111/psyp.14643
25. Pila, E., Stamiris, A., Castonguay, A., & Sabiston, C. M. (2014). Body-related envy: A social comparison perspective in sport and exercise. Journal of sport and exercise psychology, 36(1), 93-106. https://doi.org/10.1123/jsep.2013-0100
26. Rack, N. (2023). The Effect of Upward Social Comparison on Student Athletes' Performance: The Role of Self-Approach Goals and Envy. URI:
27. Robazza, C., Bertollo, M., Filho, E., Hanin, Y., & Bortoli, L. (2016). Perceived control and hedonic tone dynamics during performance in elite shooters. Research Quarterly for Exercise and Sport, 87(3), 284-294. https://doi.org/10.1080/02701367.2016.1185081
28. Röthlin, P., Horvath, S., Trösch, S., Holtforth, M. g., & Birrer, D. (2020). Differential and shared effects of psychological skills training and mindfulness training on performance-relevant psychological factors in sport: a randomized controlled trial. BMC psychology, 8, 1-13.
29. Ruiz, M. C., Haapanen, S., Tolvanen, A., Robazza, C., & Duda, J. L. (2017). Predicting athletes’ functional and dysfunctional emotions: The role of the motivational climate and motivation regulations. Journal of sports sciences, 35(16), 1598-1606. https://doi.org/10.1080/02640414.2016.1225975
30. Schwarzer, R. (1995). Generalized self-efficacy scale. Measures in health psychology: A user’s portfolio. Causal and control beliefs/Nfer-Nelson
31. Seekis, V., Bradley, G. L., & Duffy, A. L. (2020). Appearance-related social networking sites and body image in young women: Testing an objectification-social comparison model. Psychology of Women Quarterly, 44(3), 377-392. https://doi.org/10.1177/0361684320920826
32. Sherer, M., & Adams, C. H. (1983). Construct validation of the self-efficacy scale. Psychological reports, 53(3), 899-902. https://doi.org/10.2466/pr0.1983.53.3.899
33. Stapel, D. A., & Koomen, W. (2001). I, we, and the effects of others on me: how self-construal level moderates social comparison effects. Journal of Personality and Social Psychology, 80(5), 766. https://doi.org/10.1037/0022-3514.80.5.766
34. Walton, C. C., Baranoff, J., Gilbert, P., & Kirby, J. (2020). Self-compassion, social rank, and psychological distress in athletes of varying competitive levels. Psychology of Sport and Exercise, 50, 101733. https://doi.org/10.1016/j.psychsport.2020.101733
35. Wheeler, L., Martin, R., & Suls, J. (1997). The proxy model of social comparison for self-assessment of ability. Personality and Social Psychology Review, 1(1), 54-61. https://doi.org/10.1207/s15327957pspr0101_4