Perceptual characteristics of nutritional supplements determine the expected effectiveness in boosting strength, endurance, and concentration performances

International Journal of Sport Nutrition and Exercise Metabolism

Volumn 23, Issue 6, 2013, Pages 624-628

  Szabo, Attila ^a   Bérdi, Márk ^a   Ferenc, Köteles ^a   Bárdos, György ^a  

^a EÖTVÖS LORÁND UNIVERSITY   (Hungary)

Author keywords

Baseline; Belief; Expectancy; Placebo; Subjective

Indexed keywords

ADULT; ARTICLE; ATHLETIC PERFORMANCE; COLOR; CONTROLLED STUDY; DIET SUPPLEMENTATION; ENDURANCE; FEMALE; HUMAN; LOTION; MALE; MENTAL CONCENTRATION; NORMAL HUMAN; PHYSICAL ACTIVITY; PILL; POWDER; PRACTICE GUIDELINE; STRENGTH; TASK PERFORMANCE; YOUNG ADULT;

ADOLESCENT; ATHLETIC PERFORMANCE; DIETARY SUPPLEMENTS; FEMALE; HUMANS; MALE; MOTOR ACTIVITY; NUTRITIONAL STATUS; PHYSICAL ENDURANCE; SPORTS; SPORTS NUTRITIONAL PHYSIOLOGICAL PHENOMENA; YOUNG ADULT;

EID: 84892422070     PISSN: 1526484X     EISSN: 15432742     Source Type: Journal    
DOI: 10.1123/ijsnem.23.6.624     Document Type: Article

References (12)

1. American Psychological Association. (2010). Ethical Principles of Psychologists and Code of Conduct. Retrieved from: http://www.apa.org/ethics/ code/index.aspx
2. Beedie, C.J., & Foad, A.J. (2009). The placebo effects in sports performance: A brief review. Sports Medicine (Auckland, N.Z.), 39(4), 313-329. doi:10.2165/00007256- 200939040-00004
3. Benedetti, F. (2008). Mechanisms of placebo and placebo-related effects across diseases and treatments. Annual Review of Pharmacology and Toxicology, 48, 33-60. doi:10.1146/annurev.pharmtox.48.113006.094711
4. Benedetti, F., Lanotte, M., Lopiano, L., & Colloca, L. (2007). When words are painful: Unraveling the mechanisms of the nocebo effect. Neuroscience, 147(2), 260-271. doi:10.1016/j.neuroscience.2007.02.020
5. Bérdi, M., Köteles, F., Szabo, A., & Bárdos, G. (2011). Placebo Effects in Sport and Exercise: A Meta-Analysis. European Journal of Mental Health, 6(2), 196-212. doi:10.5708/ EJMH.6.2011.2.5
6. De Craen, A.J., Roos, P.J., Leonard de Vries, A., & Kleijnen, J. (1996). Effect of colour of drugs: Systematic review of perceived effects of drugs and of their effectiveness. British Medical Journal, 313(7072), 1624-1626. doi:10.1136/bmj.313.7072.1624
7. Kirsch, I. (1997). Specifying Nonspecifics: Psychological Mechanisms of Placebo Effects. In A. Harrington (Ed.), The placebo effect. An interdisciplinary exploration (pp. 166-186). Cambridge: Harvard University Press
8. Kirsch, I., & Sapirstein, G. (1998). Listening to Prozac but hearing placebo: A meta-analysis of antidepressant medications. In I. Kirsch (Ed.), How Expectancies Shape Experience (pp. 303-320). Washington, DC: American Psychological Association
9. Köteles, F., & Bárdos, G. (2011). What makes us sicker? An experimental study of non-specific adverse drug effects. Clinical and Experimental Medical Journal, 5(4), 203-215. doi:10.1556/CEMED.5.2011.4.4
10. Köteles, F., Komsa, I., & Bárdos, G. (2009). The effects of perceptual characteristics of tablets upon patient's choice. Clinical and Experimental Medical Journal, 3(1), 99-107
11. Stewart-Williams, S., & Podd, J. (2004). The placebo effect: Dissolving the expectancy versus conditioning debate. Psychological Bulletin, 130(2), 324-340. doi:10.1037/0033-2909.130.2.324
12. Trojian, T.H., & Beedie, C.J. (2008). Placebo effects and athletes. Current Sports Medicine Reports, 7(4), 214-217. doi:10.1249/JSR.0b013e31817ed050