1. Beilock, S. L., Bertenthal, B. I., McCoy, A. M., & Carr, T. H. (2004). Haste does not always make waste: Expertise, direction of attention, and speed versus accuracy in performing sensorimotor skills. Psychonomic Bulletin and Review, 11, 373-9.
2. Beilock, S. L., Carr, T. H., MacMahon, C., & Starkes, J. L. (2002). When paying attention becomes counterproductive: Impact of divided versus skill-focused attention on novice and experienced performance of sensorimotor skills. Journal of Experimental Psychology, 8, 6-16.
3. Bell, J. J., & Hardy, J. (2009). Effects of attentional focus on skilled performance in golf. Journal of Applied Sport Psychology, 21, 163-77.
4. Bredin, S. S., Dickson, D. B., & Warburton, D. E. (2013). Effects of varying attentional focus on health-related physical fitness performance. Applied Physiology, Nutrition, and Metabolism, 38(2), 161-8.
5. Castaneda, B., & Gray, R. (2007). Effects of focus of attention on baseball batting performance in players of different skill levels. Journal of Sport & Exercise Psychology, 29, 59-76.
6. Chow, J. J., Koh, M., Davids, K., Button, C., & Rein, R. (2014). Effects of different instructional constraints on task performance and emergence of coordination in children. European Journal of Sport Science, 14(3), 224-32.
7. Fadaei, M. R., & Enteshati, F. (2012). A method of evaluating physical education and physical fitness tests norm. Rasht: Department of physical education and health education Gilan. (Persian).
8. Gray, R. (2004). Attending to the execution of a complex sensorimotor skill: Expertise differences, choking, and slumps. Journal of Experimental Psychology, 10, 42-54.
9. Hodges, N. J., & Williams, A. M. (2012). Skill acquisition in sport, research, theory and practice. New York: Routledge.
10. Lohse, K. R., Jones, M., Healy, A. F., & Sherwood, D. E. (2014). The role of attention in motor control. Journal of Experimental Psychology, General, 143, 930-48.
11. Lohse, K. R., Sherwood, D. E., & Healy, A. F. (2010). How changing the focus of attention affects performance, kinematics, and electromyography in dart throwing. Human Movement Science, 29(4), 542-55.
12. Munzert, J., Maurer, H., & Reiser, M. (2014). Verbal-motor attention-focusing instructions influence kinematics and performance on a golf-putting task. Journal of Motor Behavior, 46(5), 309-18.
13. Marchant, D. C., Greig, M., & Scott, C. (2008). Attentional focusing strategies influence bicep EMG during isokinetic biceps curls. Athletic Insight, 10(2), 11.
14. Neumann, D. L., & Brown, J. (2013). The effect of attentional focus strategy on physiological and motor performance during a sit-up exercise. Journal of Psychophysiology, 27(1),7-15.
15. Perkins-Ceccato, N., Passmore, S. R., & Lee, T. D. (2003). Effects of focus of attention depend on golfers’ skill. Journal of Sports Sciences, 21, 593-600.
16. Poolton, J. M., Maxwell, J. P., Masters, R. S. W., & Raab, M. (2006). Benefits of an external focus of attention: Common coding or conscious processing? Journal of Sports Sciences, 24(1), 89-99.
17. Porter, J. M., Ostrowski, E. J., Nolan, R. P., & Wu, W. F. W. (2010). Standing long-jump performance is enhanced when using an external focus of attention. Journal of Strength & Conditioning Research, 24, 1746-50.
18. Schu¨cker, L., Hagemann, N., Strauss, B., & Vo¨lker, K. (2009). The effect of attentional focus on running economy. Journal of Sport Sciences, 12, 1242-8.
19. Shafizadeh, M., Geoffrey, K., & Mohammadi, B. (2013). Effects of different focus of attention rehabilitative training on gait performance in Multiple Sclerosis patients. Journal of Bodywork & Movement Therapies, 17, 28-34.
20. Stoate, I., & Wulf, G. (2011). Does the attentional focus adopted by swimmers affect their performance. International Journal of Sport Science and Coaching, 6, 99-108.
21. Totsika, V., & Wulf, G. (2003). The influence of external and internal foci of attention on transfer to novel situations and skills. Research Quarterly Exercise and Sport, 74, 220-5.
22. Vance, J., Wulf, G., Töllner, T., McNevin, N. H., & Mercer, J. (2004). EMG activity as a function of the performers’ focus of attention. Journal of Motor Behavior, 36, 450-9.
23. Wulf, G. (2007). Attention and motor skill. (A. Farokhi & M. Mahzon, Translators), Tehran: Nersi. (Persian).
24. Wulf, G. (2013). Attentional Focus and Motor Learning: A Review Of 15 Years. International Review of Sport and Exercise Psychology, 6(1), 77-104.
25. Wulf, G., & Prinz, W. (2001), Directing attention to movement effects enhances learning: A review. Psychonomic bulletin & review,. 8(4), 648-60.
26. Wulf, G., & Su, J. (2007). An external focus of attention enhances golf shot accuracy in beginners and experts. Research Quarterly for Exercise and Sport, 78(4), 384-9.
27. Wulf, G., & Lewthwaite, R. (2010). Effortless motor learning? An external focus of attention enhances movement effectiveness and efficiency. Effortless attention: A new perspective in attention and action, 75-101.
28. Wulf, G., Chiviacowsky, S., Schiller, E., & Avila, L. T. (2010). Frequent external-focus feedback enhances learning. Frontiers in Psychology, 1, 190.
29. Wulf, G., & Dufek, J. S. (2009). Increased jump height with an external focus due to enhanced lower extremity joint kinetics. Journal of Motor Behavior, 41(5), 401-9.
30. Wulf, G., Dufek, J. S., Lozano, L., & Pettigrew, C. (2010). Increased jump height and reduced EMG activity with an external focus of attention. Human Movement Science, 29, 440-8.
31. Wulf, G., McNevin, N. H., Fuchs, T., Ritter, F., & Toole, T. (2000). Attentional focus in complex motor skill learning. Research Quarterly for Exercise and Sport, 71, 229-39.
32. Wulf, G., Zachry, T., Granados, C., & Dufek, J. S. (2007). Increases in jump-and-reach height through an external focus of attention. International Journal of Sport Science and Coaching, 2, 275-82.
33. Zachry, T., Wulf, G., Mercer, J., & Bezodis, N. (2005). Increased movement accuracy and reduced EMG activity as the result of adopting an external focus of attention. Brain Research Bulletin, 64(4), 304-9.
