1. Baumeister RF, Showers CJ. A review of paradoxical performance effects: Choking under pressure in sports and mental tests. European Journal of Social Psychology. 1986;16(4):361-83.
2. Salehi H, Yazdanparast F. Choking under Pressure in the performance of a tennis court: An explanation based on the needs of attention. Master's thesis, (in persian). University of Isfahan, 2015.
3. Carver CS, Scheier MF. Attention and self-regulation: A control-theory approach to human behavior: Springer Science & Business Media; 2012.
4. Wine J. Test anxiety and direction of attention. Psychological bulletin. 1971;76(2):92.
5. DeCaro MS, Thomas RD, Albert NB, Beilock SL. Choking under pressure: multiple routes to skill failure. Journal of Experimental Psychology: General. 2011;140(3):390.
6. Eysenck MW, Calvo MG. Anxiety and performance: The processing efficiency theory. Cognition & Emotion. 1992;6(6):409-34.
7. Salehi H, Hamsi M. Movahedi A. Reducing the sources of attention and improving the function under pressure in a sensory-motor function. Master's thesis, (in persian). Isfahan University, 2013.
8. Beilock SL, Carr TH. On the fragility of skilled performance: What governs choking under pressure? Journal of experimental psychology: General. 2001;130(4):701.
9. Lewis BP, Linder DE. Thinking about choking? Attentional processes and paradoxical performance. Personality and Social Psychology Bulletin. 1997;23(9):937-44.
10. Baumeister RF. Choking under pressure: self-consciousness and paradoxical effects of incentives on skillful performance. Journal of personality and social psychology. 1984;46(3):610.
11. Beilock SL, Bertenthal BI, McCoy AM, Carr TH. Haste does not always make waste: Expertise, direction of attention, and speed versus accuracy in performing sensorimotor skills. Psychonomic Bulletin & Review. 2004;11(2):373-9.
12. Masters RS. Knowledge, knerves and know‐how: The role of explicit versus implicit knowledge in the breakdown of a complex motor skill under pressure. British journal of psychology. 1992;83(3):343-58.
13. Otten M. Choking vs. clutch performance: A study of sport performance under pressure. Journal of sport and exercise psychology. 2009;31(5):583-601.
14. Wong EH, Lox CL, Clark SE. Relation between sports context, competitive trait anxiety, perceived ability, and self-presentation confidence. Perceptual and motor skills. 1993;76(3):847-50.
15. Beilock SL, Carr TH, MacMahon C, Starkes JL. When paying attention becomes counterproductive: impact of divided versus skill-focused attention on novice and experienced performance of sensorimotor skills. Journal of Experimental Psychology: Applied. 2002;8(1):6.
16. Tanaka Y, Sekiya H. The influence of audience and monetary reward on the putting kinematics of expert and novice golfers. Research quarterly for exercise and sport. 2010;81(4):416-24.
17. Salehi H, Hamsi M. Movahedi A. Reducing the sources of attention and improving the underlying effect in a sensory-motor function. (in persian). Journal of motor behavior 2013; (13): 109-124.
18. Martens R, Vealey RS, Burton D. Competitive anxiety in sport: Human kinetics; 1990.
19. Mojtahedi H. Evaluation and Measurement in Physical Education. (in persian). 2008.
20. Ghandadi A, Movahedi A, Safavi Sh. Competition as a component for the hypothesis of the practice of exercising in the implementation of selected football skills. Master's thesis, (in persian). University of Isfahan, 2011.
21. Zahedi H, Shojahie M, Sadeghi H. Effect of focus of attention and skill level on basketball freethrow shot under psychological pressure. World Applied Sciences Journal. 2011;13(5):1047-52.
22. Reeves JL. Attention and performance: When does choking under pressure occur and what is the debilitating source? 2005.
23. Easterbrook JA. The effect of emotion on cue utilization and the organization of behavior. Psychological review. 1959;66(3):183.
24. Tanaka Y, Sekiya H. The influence of monetary reward and punishment on psychological, physiological, behavioral and performance aspects of a golf putting task. Human movement science. 2011;30(6):1115-28.
25. Salehi H, Yazdanparast F. Choking under Pressure in the performance of a tennis court: An explanation based on the needs of attention. (in persian). Research in sport management and motor behavior. 2015; (26): 15-26.
26. Ghasemian Moghadam M, Taheri H. Effect of Attention Definition on the Performance of Table Tennis Players in an Position under perssure. (in persian). Publication Growth and Motor Learning. 2015; 6 (4): 475-91.
27. Moein F, Zahedi H. Meshkati Z. The effect of the relevant and irrelevant focus and skill level on the accuracy of volleyball tennis service under stress conditions. (in persian). Motor behavior 2014; 6 (17): 105-18.
28. Koedijker JM, Poolton JM, Maxwell JP, Oudejans RR, Beek PJ, Masters RS. Attention and time constraints in perceptual-motor learning and performance: Instruction, analogy, and skill level. Consciousness and cognition. 2011;20(2):245-56.
29. Gucciardi DF, Dimmock JA. Choking under pressure in sensorimotor skills: Conscious processing or depleted attentional resources? Psychology of Sport and Exercise. 2008;9(1):45-59.
30. Ford P, Hodges NJ, Williams AM. Online attentional-focus manipulations in a soccer-dribbling task: Implications for the proceduralization of motor skills. Journal of Motor Behavior. 2005;37(5):386-94.
31. Gray R. Attending to the execution of a complex sensorimotor skill: expertise differences, choking, and slumps. Journal of Experimental Psychology: Applied. 2004. 10(1); 42.
32. Ezell EJ. Choking in Highly Experienced Soccer Players: University of North Carolina at Greensboro; 2012.
33. Salvador A, Suay F, Gonzalez-Bono E, Serrano MA. Anticipatory cortisol, testosterone and psychological responses to judo competition in young men. Psychoneuroendocrinology. 2003;28(3):364-75.
34. Mullen R, Hardy L, Tattersall A. The effects of anxiety on motor performance: A test of the conscious processing hypothesis. Journal of Sport and Exercise Psychology. 2005;27(2):212-25.
35. Cooke A, Kavussanu M, McIntyre D, Boardley ID, Ring C. Effects of competitive pressure on expert performance: Underlying psychological, physiological, and kinematic mechanisms. Psychophysiology. 2011;48(8):1146-56.
36. Cotterill S. Pre-performance routines in sport: Current understanding and future directions. International review of sport and exercise psychology. 2010;3(2):132-53.
37. Cox RH, Martens MP, Russell WD. Measuring anxiety in athletics: the revised competitive state anxiety inventory .Journal of Sport and Exercise Psychology. 2003;25(4):519-33.
38. Baumeister RF, Steinhilber A. Paradoxical effects of supportive audiences on performance under pressure: The home field disadvantage in sports championships. Journal of personality and social psychology. 1984;47(1):85.
39. Eysenck MW, Derakshan N, Santos R, Calvo MG. Anxiety and cognitive performance: attentional control theory. Emotion. 2007;7(2):336.
40. Wilson M, Smith NC, Chattington M, Ford M, Marple-Horvat DE. The role of effort in moderating the anxiety–performance relationship: Testing the prediction of processing efficiency theory in simulated rally driving. Journal of sports sciences. 2006;24(11):1223-33.
41. Williams AM, Vickers J, Rodrigues S. The effects of anxiety on visual search, movement kinematics, and performance in table tennis: A test of Eysenck and Calvo’s processing efficiency theory. Journal of Sport and Exercise Psychology. 2002;24(4):438-55.
42. Fitts PM, Posner MI. Human performance. 1967.