References
- American College of Sports Medicine (ACSM). (2010). ACSM’s guidelines for exercise testing and prescription (8th ed.). Philadelphia, PA: Lippincott Williams & Wilkins.
- Andersen, R. E., Wadden, T. A., Bartlett, S. J., Zemel, B., Verde, T. J., & Franckowiak, S. C. (1999). Effects of lifestyle activity vs structured aerobic exercise in obese women: A randomized trial. JAMA, 281(4), 335–340. doi: 10.1001/jama.281.4.335
- Anderson, D. F., & Cychosz, C. M. (1994). Development of an exercise identity scale. Perceptual and Motor Skills, 78(3), 747–751. doi: 10.2466/pms.1994.78.3.747
- Anderson, D. F., Cychosz, C. M., & Franke, W. D. (2001). Preliminary exercise identity scale (EIS) norms for three adult samples. Journal of Sport Behaviour, 24, 1431–1439.
- Arriaza Jones, D., Ainsworth, B. E., Croft, J. B., Macera, C. A., Lloyd, E. E., & Yusuf, H. R. (1998). Moderate leisure-time physical activity: Who is meeting the public health recommendations? A national cross-sectional study. Archives of Family Medicine, 7(3), 285–289.
- Berry, T. R., Strachan, S. M., & Verkooijen, K. T. (2014). The relationship between exercise schema and identity. International Journal of Sport and Exercise Psychology, 12(1), 49–63. doi: 10.1080/1612197X.2013.775742
- Bruce, R. A. (1971). Exercise testing of patients with coronary artery disease: Principles and normal standards for evaluation. Annals of Clinical Research, 3, 323–332.
- Bull, S. J., Albinson, J. G., & Shambrook, J. (1996). The mental game plan: Getting psyched for sport. Brighton, UK: Sports Dynamic.
- Burke, P. J., & Stets, J. E. (2009). Identity theory. New York, NY: Oxford University Press.
- Canadian Society for Exercise Physiology (CSEP). (2003). Canadian physical activity, fitness and lifestyle approach protocol (CPAFLA) manual (3rd ed.). Ottawa, ON: Public Health Agency of Canada.
- Cardinal, B. J., & Cardinal, M. K. (1997). Changes in exercise behavior and exercise identity associated with a 14-week aerobic exercise class. Journal of Sport Behavior, 20(4), 377–386.
- Contrada, R. J., & Ashmore, R. D. (Eds.). (1999). Self, social identity, and physical health: Interdisciplinary explorations (Vol. 2). New York, NY: Oxford University Press.
- Cronbach, L. (1951). Coefficient alpha and the internal structure of tests. Psychometrika, 16, 297–334. doi: 10.1007/BF02310555
- Cumming, J., & Stanley, D. M. (2009). Are images of exercising related to feeling states? Journal of Imagery Research in Sport and Physical Activity, 4(1), doi: 10.2202/1932-0191.1033
- Denis, M. (1985). Visual imagery and the use of mental practice in the development of motor skills. Canadian Journal of Applied Sport Sciences, 10(4), 45–165.
- Dishman, R. K. (1982). Compliance/adherence in health-related exercise. Health Psychology, 1(3), 237–267. doi: 10.1037/0278-6133.1.3.237
- Duncan, L. R., Hall, C. R., Wilson, P. M., & Rodgers, W. M. (2012). The use of a mental imagery intervention to enhance integrated regulation for exercise among women commencing an exercise program. Motivation and Emotion, 36(4), 452–464.
- Duncan, L. R., Rodgers, W. M., Hall, C. R., & Wilson, P. M. (2011). Using imagery to enhance three types of exercise self-efficacy among sedentary women. Applied Psychology: Health and Well-Being, 3(1), 107–126.
- Dunn, A. L., Marcus, B. H., Kampert, J. B., Garcia, M. E., Kohl III, H. W., & Blair, S. N. (1999). Comparison of lifestyle and structured interventions to increase physical activity and cardiorespiratory fitness: A randomized trial. JAMA, 281(4), 327–334. doi: 10.1001/jama.281.4.327
- Gammage, K. L., Hall, C. R., & Martin Ginis, K. A. (2004). Self-presentation in exercise contexts: Differences between high and low frequency exercisers. Journal of Applied Social Psychology, 34, 1638–1651. doi: 10.1111/j.1559-1816.2004.tb02791.x
- Godin, G. (2011). The Godin-Shephard leisure-time physical activity questionnaire. The Health & Fitness Journal of Canada, 4, 18–22.
- Godin, G., & Shepherd, R. J. (1985). A simple method to assess exercise behaviour in the community. Canadian Journal of Applied Sport Sciences, 10, 141–146.
- Hale, B. D., Seiser, L., McGuire, E. J., & Weinrich, E. (2005). Mental imagery. In J. Taylor, & G. Wilson (Eds.), Applying sport psychology: Four perspectives (pp. 117–135). Champaign, IL: Human Kinetics.
- Hall, C. R. (2001). Imagery in sport and exercise. In R. N. Singer, H. A. Hausenblas, & C. M. Janelle (Eds.), Handbook of sport psychology (2nd ed., pp. 529–549). New York, NY: John Wiley & Sons.
- Hall, C. R., Rodgers, W. M., Wilson, P. M., & Norman, P. (2010). Imagery use and self-determined motivations in a community sample of exercisers and non-exercisers. Journal of Applied Social Psychology, 40, 135–152. doi: 10.1111/j.1559-1816.2009.00566.x
- Holmes, P. S., & Collins, D. J. (2001). The PETTLEP approach to motor imagery: A functional equivalence model for sport psychologists. Journal of Applied Sport Psychology, 13(1), 60–83. doi: 10.1080/10413200109339004
- Hu, F. B., Willett, W. C., Li, T., Stampfer, M. J., Colditz, G. A., & Manson, J. E. (2004). Adiposity as compared with physical activity in predicting mortality among women. New England Journal of Medicine, 351(26), 2694–2703.
- Jones, L. W., Sinclair, R. C., Rhodes, R. E., & Courneya, K. S. (2004). Promoting exercise behaviour: An integration of persuasion theories and the theory of planned behaviour. British Journal of Health Psychology, 9(4), 505–521.
- Khambalia, A., Hardy, L. L., & Bauman, A. (2012). Accuracy of weight perception, life-style behaviours and psychological distress among overweight and obese adolescents. Journal of Paediatrics and Child Health, 48(3), 220–227.
- Leary, M. R., & Tangney, J. P. (2003). Handbook of self and identity. New York, NY: Guilford Press.
- Leventhal, H., Brissette, I., & Leventhal, E. A. (2003). The common-sense model of self-regulation of health and illness. In L. Cameron, & H. Leventhal (Eds.), The self-regulation of health and illness behaviour (pp. 42–65). New York, NY: Routledge.
- Li, T. Y., Rana, J. S., Manson, J. E., Willett, W. C., Stampfer, M. J., Colditz, G. A., … Hu, F. B. (2006). Obesity as compared with physical activity in predicting risk of coronary heart disease in women. Circulation, 113(4), 499–506.
- Markus, H. (1977). Self-schemata and processing information about the self. Journal of Personality and Social Psychology, 35, 63–78. doi: 10.1037/0022-3514.35.2.63
- Markus, H., & Kunda, Z. (1986). Stability and malleability of the self-concept. Journal of Personality and Social Psychology, 51(4), 858–866. doi: 10.1037/0022-3514.51.4.858
- McAuley, E., & Courneya, K. S. (1993). Adherence to exercise and physical activity as health-promoting behaviors: Attitudinal and self-efficacy influences. Applied and Preventive Psychology, 2(2), 65–77. doi: 10.1016/S0962-1849(05)80113-1
- Murru, E. C., & Ginis, K. A. M. (2010). Imagining the possibilities: The effects of a possible selves intervention on self-regulatory efficacy and exercise behavior. Journal of Sport and Exercise Psychology, 32(4), 537–554.
- Pate, R. R., Pratt, M., Blair, S. N., Haskell, W. L., Macera, C. A., Bouchard, C., & Wilmore, J. H. (1995). Physical activity and public health: A zecommendation from the Centers for Disease Control and Prevention and the American College of Sports Medicine. JAMA: The Journal of the American Medical Association, 273(5), 402–407. doi: 10.1001/jama.273.5.402
- Patte, K. A., Laxer, R. E., Qian, W., & Leatherdale, S. T. (2016). An analysis of weight perception and physical activity and dietary behaviours among youth in the COMPASS study. SSM - Population Health, 2, 841–849.
- Perras, M. G., Strachan, S. M., Fortier, M. S., & Dufault, B. (2016). Impact of a randomized possible selves experiment on new retirees’ physical activity and identity. European Review of Aging and Physical Activity, 13(1), 7–20.
- Petty, R. E., & Cacioppo, J. T. (1986). The elaboration likelihood model of persuasion. In L. Berkowitz (Ed.), Advances in experimental social psychology (pp. 123–205). San Diego, CA: Academic Press.
- Rodgers, W. M., Hall, C. R., Blanchard, C. M., McAuley, E., & Munroe, K. J. (2002). Task and scheduling self-efficacy as predictors of exercise behavior. Psychology and Health, 17(4), 405–416. doi: 10.1080/0887044022000004902
- Rosner, G. L., & Berry, D. A. (1995). A Bayesian group sequential design for a multiple arm randomized clinical trial. Statistics in Medicine, 14(4), 381–394.
- Ryan, R. M., & Deci, E. L. (2003). On assimilating identities to the self: A self-determination theory perspective on internalization and integrity within cultures. In M. R. Leary, & J. P. Tangney (Eds.), Handbook of self and identity (pp. 253–272). New York, NY: Guilford Press.
- Statistics Canada. (2011). Canadian Health Measures Survey: Cycle 2 Data Tables (Catalogue no. 82-626-X). Retrieved from http://www5.statcan.gc.ca/access_acces/alternative_alternatif.action?teng=82-626-x2012002-eng.pdf&tfra=82-626-x2012002-fra.pdf&l=eng&loc=82-626-x2012002-eng.pdf
- Statistics Canada. (2015). Table 117-0020 - Average time spent sedentary, household population by sex and age group, occasional (minutes per day), CANSIM (database). Retrieved from http://www5.statcan.gc.ca/cansim/a26?lang=eng&id=1170020
- Stets, J. E., & Burke, P. J. (2003). A sociological approach to self and identity. In M. R. Leary, & J. P. Tangney (Eds.), Handbook of self and identity (pp. 128–152). New York, NY: Guilford Press.
- Stetson, B. A., Rahn, J. M., Dubbert, P. M., Wilner, B. I., & Mercury, M. G. (1997). Prospective evaluation of the effects of stress on exercise adherence in community-residing women. Health Psychology, 16(6), 515–520. doi: 10.1037/0278-6133.16.6.515
- Strachan, S. M., Brawley, L. R., Spink, K. S., & Jung, M. E. (2009). Strength of exercise identity and identity-exercise consistency affective and social cognitive relationships. Journal of Health Psychology, 14(8), 1196–1206. doi: 10.1177/1359105309346340
- Strachan, S. M., Brawley, L. R., Spink, K. S., Sweet, S. N., & Perras, M. G. (2015). Self-regulatory efficacy's role in the relationship between exercise identity and perceptions of and actual exercise behaviour. Psychology of Sport and Exercise, 18, 53–59.
- Strachan, S. M., Fortier, M. S., Perras, M. G., & Lugg, C. (2013). Understanding variations in exercise-identity strength through identity theory and self-determination theory. International Journal of Sport and Exercise Psychology, 11(3), 273–285. doi: 10.1080/1612197X.2013.749005
- Stryker, S. (1980). Symbolic interactionism: A social structural version. Menlo Park, CA: Benjamin/Cummings Publishing Company.
- Tabachnick, B. G., & Fidell, L. S. (2013). Using multivariate statistics (6th ed.). Boston, MA: Pearson.
- Vlachopoulos, S. P., Kaperoni, M., & Moustaka, F. C. (2011). The relationship of self-determination theory variables to exercise identity. Psychology of Sport and Exercise, 12(3), 265–272. doi: 10.1016/j.psychsport.2010.11.006
- Warburton, D. E., Katzmarzyk, P. T., Rhodes, R. E., & Shephard, R. J. (2007). Evidence-informed physical activity guidelines for Canadian adults. Applied Physiology, Nutrition, and Metabolism, 32(Suppl. 2E), S16–S68.
- Warburton, D. E., Nicol, C. W., & Bredin, S. S. (2006). Health benefits of physical activity: The evidence. Canadian Medical Association Journal, 174, 801–809. doi: 10.1503/cmaj.051351
- White, A., & Hardy, L. (1998). An in-depth analysis of the uses of imagery by high-level slalom canoeists and artistic gymnasts. The Sport Psychologist, 12(4), 387–403.
- Wilson, P. M., & Muon, S. (2008). Psychometric properties of the exercise identity scale in a university sample. International Journal of Sport and Exercise Psychology, 6(2), 115–131. doi: 10.1080/1612197X.2008.9671857
- World Health Organization. (2000). Obesity: Preventing and managing the global epidemic. World Health Organization Technical Report Series, 894, 1–253.