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The dark triad in male and female athletes and non-athletes: Group differences and psychometric properties of the short dark triad (SD3) (2019)
Journal Article
Vaughn, R., Madigan, D., Carter, G., & Nicholls, A. (in press). The dark triad in male and female athletes and non-athletes: Group differences and psychometric properties of the short dark triad (SD3). Psychology of sport and exercise, doi:10.1016/j.psychsport.2019.01.002

Objectives: The Short Dark Triad (SD3) is a popular, brief measure of narcissism, Machiavellianism, and psychopathy, which are known as the Dark Triad. The present study had two aims. First, to assess the psychometric properties of the SD3 with a foc... Read More

The prevalence and influence of psychosocial factors on technical refinement amongst highly-skilled tennis players (2018)
Journal Article
Toner, J., Carson, H. J., Collins, D., & Nicholls, A. (in press). The prevalence and influence of psychosocial factors on technical refinement amongst highly-skilled tennis players. International Journal of Sport and Exercise Psychology, 1-17. doi:10.1080/1612197x.2018.1511621

The present study investigated the prevalence and influence of psychosocial factors amongst a sample of highly-skilled athletes who had previously attempted to refine their technique. Semi-structured qualitative interviews were conducted with eight t... Read More

The prevalence of pseudoscientific ideas and neuromyths among sports coaches (2018)
Journal Article
Bailey, R. P., Madigan, D. J., Cope, E., & Nicholls, A. R. (2018). The prevalence of pseudoscientific ideas and neuromyths among sports coaches. Frontiers in Psychology, 9(MAY), doi:10.3389/fpsyg.2018.00641

There has been an exponential growth in research examining the neurological basis of human cognition and learning. Little is known, however, about the extent to which sports coaches are aware of these advances. Consequently, the aim of the present st... Read More

Personality traits and performance enhancing drugs : the dark triad and doping attitudes among competitive athletes (2017)
Journal Article
Nicholls, A. R., Madigan, D. J., Backhouse, S. H., & Levy, A. R. (2017). Personality traits and performance enhancing drugs : the dark triad and doping attitudes among competitive athletes. Personality and individual differences, 112, 113-116. doi:10.1016/j.paid.2017.02.062

The use of performance enhancing drugs, also known as doping, can represent a serious threat to an athlete’s psychological and physical health and contravenes the spirit of sport. Scholars identified attitudes towards doping as a crucial factor that... Read More

Evaluation of an online educational tool designed to reduce stress and boost well-being for people living with an ileostomy : a framework analysis (2017)
Journal Article
Nicholls, A. (2017). Evaluation of an online educational tool designed to reduce stress and boost well-being for people living with an ileostomy : a framework analysis. International journal of applied psychology, 7(1), 10-18. doi:10.5923/j.ijap.20170701.02

Ileostomies, in which the small intestine is re-directed out of a stoma in the stomach so that waste is collected using a bag, are using to treat conditions such as bowel cancer and Inflammatory Bowel Disease. Previous research has shown that life wi... Read More

The psychological challenges of living with an ileostomy : an interpretative phenomenological analysis (2017)
Journal Article
Smith, J. A., Spiers, J., Simpson, P., Nicholls, A. R., Nicholls, A., & Smith, J. (2017). The psychological challenges of living with an ileostomy : an interpretative phenomenological analysis. Health Psychology, 36(2), (143-151). doi:10.1037/hea0000427. ISSN 0278-6133

Objectives: Ileostomy, in which the small intestine is re-directed out of an abdominal wall so that waste is collected using a bag, is used to treat conditions including Inflammatory Bowel Disease and colorectal cancer. This paper reports an in depth... Read More

A confirmatory factor analysis of the performance enhancement attitude scale for adult and adolescent athletes (2016)
Journal Article
Nicholls, A. R., Madigan, D. J., & Levy, A. R. (2016). A confirmatory factor analysis of the performance enhancement attitude scale for adult and adolescent athletes. Psychology of sport and exercise, 28, (100-104). doi:10.1016/j.psychsport.2016.10.010. ISSN 1469-0292

Objectives: The Performance Enhancement Attitude Scale (PEAS; Petróczi & Aidman, 2009) is an extensively used questionnaire to assess doping attitudes among adult and adolescent athletes. To date, however, there is limited evidence to support the str... Read More

An online educational tool to promote psychological well-being, optimism, and coping self-efficacy among people living with an ileostomy : a pilot study (2016)
Journal Article
Nicholls, A. (2016). An online educational tool to promote psychological well-being, optimism, and coping self-efficacy among people living with an ileostomy : a pilot study. International journal of applied psychology, 6(5), (156-161). ISSN 2168-5029

We assessed an online educational tool designed for people living with an ileostomy. Thirty-nine participants took part in a 10-week online educational tool, which included elements such as happiness profiling, understanding stress and coping, utilis... Read More

Football, sport and the development of young people’s life skills (2016)
Journal Article
Cope, E., Bailey, R., Parnell, D., & Nicholls, A. (2017). Football, sport and the development of young people’s life skills. Sport in Society, 20(7), (789-801). doi:10.1080/17430437.2016.1207771. ISSN 1743-0437

The development of life skills has been associated with participation in sport, football and other physical activities. A factor in enabling this ambition to be realized is the actions and behaviors of sports coaches. Drawing on the concept of positi... Read More

The treatment experiences of people living with ileostomies: an interpretative phenomenological analysis (2016)
Journal Article
Spiers, J., Smith, J. A., Simpson, P., & Nicholls, A. R. (2016). The treatment experiences of people living with ileostomies: an interpretative phenomenological analysis. Journal of advanced nursing, 72(11), (2662-2671). doi:10.1111/jan.13018. ISSN 0309-2402

Aims To explore treatment and healthcare experiences of people living with ileostomies, so nurses can build on best practice whilst caring for these patients. Background Ileostomies, in which the small intestine is re-directed out of a stoma in the a... Read More

Sources of sport confidence, imagery type and performance among competitive athletes : the mediating role of sports confidence (2015)
Journal Article
Nicholls, A., Perry, J., Davies, J., & Levy, A. (2015). Sources of sport confidence, imagery type and performance among competitive athletes : the mediating role of sports confidence. Journal of Sports Medicine and Physical Fitness, 55(7-8), 835-844

Aim. This study explored the mediating role of sport confidence upon (1) sources of sport confidence- performance relationship and (2) imagery- performance relationship. Methods. Participants were 157 competitive athletes who completed state measures... Read More