All Outputs (76)

A Systematic Review on the Effectiveness of Anti-Doping Education for University Students (2025)
Journal Article
Nicholls, A. R., Lazuras, L., Petrou, M., Corazza, O., Santos, C., Júlio Nunes, A., Rynkowski, M., Martins, J. F., Zandonai, T., Kühn, U., & Tota h, Ł. (2025). A Systematic Review on the Effectiveness of Anti-Doping Education for University Students. Emerging Trends in Drugs, Addictions, and Health, 5, Article 100168. https://doi.org/10.1016/j.etdah.2024.100168

Abstract
Background: Doping poses a threat to the integrity of sport and the health of athletes who dope, including university students. In this systematic review, we identified the content of anti-doping education that universities provide, the dis... Read More about A Systematic Review on the Effectiveness of Anti-Doping Education for University Students.

Stressors and coping strategies in esports: a systematic review (2024)
Journal Article
Leis, O., Sharpe, B. T., Pelikan, V., Fritsch, J., Nicholls, A. R., & Poulus, D. (online). Stressors and coping strategies in esports: a systematic review. International Review of Sport and Exercise Psychology, https://doi.org/10.1080/1750984X.2024.2386528

In this systematic review, we provide an overview of stressors and coping strategies in esports, emphasizing the goal of informing applied practice and guiding future research. Guided by the PRISMA guidelines and employing the SPIDER framework, we sy... Read More about Stressors and coping strategies in esports: a systematic review.

Qualitative analysis of the factors associated with whistleblowing intentions among athletes from six European countries (2024)
Journal Article
Toner, J., Jones, L., Fairs, L., Mantis, C., Barkoukis, V., Daroglou, G., Perry, J. L., Micle, A. V., Theodorou, N. C., Shakhverdieva, S., Stoicescu, M., Pompiliu-Nicolae, C., Vesic, M. V., Dikic, N., Andjelkovic, M., Muñoz-Guerra Revilla, J., García-Grimau, E., Martínez, M. A., Amigo, J. A., Schomöller, A., & Nicholls, A. R. (2024). Qualitative analysis of the factors associated with whistleblowing intentions among athletes from six European countries. Frontiers in Sports and Active Living, 6, Article 1335258. https://doi.org/10.3389/fspor.2024.1335258

Although whistleblowing is thought to represent an effective mechanism for detecting and uncovering doping in sport, it has yet to become a widely adopted practice. Understanding the factors that encourage or discourage whistleblowing is of vital imp... Read More about Qualitative analysis of the factors associated with whistleblowing intentions among athletes from six European countries.

Home-based high intensity interval training in patients with intermittent claudication: a systematic review protocol (2024)
Journal Article
Prosser, J., Staniland, T., Harwood, A., Ravindhran, B., McGregor, G., Huang, C., Twiddy, M., Nicholls, A., Ingle, L., Long, J., Chetter, I., & Pymer, S. (2024). Home-based high intensity interval training in patients with intermittent claudication: a systematic review protocol. Journal of Vascular Societies Great Britain and Ireland, 3(3), 155-159. https://doi.org/10.54522/jvsgbi.2024.103

Introduction: The aim of this systematic review is to consider the evidence base for home-based high intensity interval training (HIIT) in patients with intermittent claudication (IC). Prior knowledge of the evidence base suggests that there may be l... Read More about Home-based high intensity interval training in patients with intermittent claudication: a systematic review protocol.

High INtensity Interval Training in pATiEnts with Intermittent Claudication: A Qualitative Acceptability Study (2024)
Journal Article
Pymer, S., Harwood, A., Ibeggazene, S., McGregor, G., Huang, C., Nicholls, A., Ingle, L., Long, J., Rooms, M., Chetter, I. C., & Twiddy, M. (2024). High INtensity Interval Training in pATiEnts with Intermittent Claudication: A Qualitative Acceptability Study. Annals of vascular surgery, 102, 17-24. https://doi.org/10.1016/j.avsg.2023.11.043

Background: A novel high-intensity interval training (HIIT) program has demonstrated feasibility for patients with intermittent claudication (IC). The aim of this study was to explore patient perspectives of the HIIT program to inform refinement and... Read More about High INtensity Interval Training in pATiEnts with Intermittent Claudication: A Qualitative Acceptability Study.

“Time may change me, but you can’t trace time”: the (In)stability of psycho-social doping profiles among adolescent athletes (2023)
Journal Article
Nicholls, A. R., & Perry, J. L. (in press). “Time may change me, but you can’t trace time”: the (In)stability of psycho-social doping profiles among adolescent athletes. International Journal of Sport and Exercise Psychology, https://doi.org/10.1080/1612197X.2023.2274414

The Adolescent Sport Doping Inventory (ASDI; [Nicholls, A. R., Levy, A. R., Meir, R., Sanctuary, C., Jones, L., Baghurst, T., Thompson, M. A., & Perry, J. L. (2019). The development and validation of the adolescent sport drug inventory (ASDI) among a... Read More about “Time may change me, but you can’t trace time”: the (In)stability of psycho-social doping profiles among adolescent athletes.

High-intensity interval training in patients with intermittent claudication (2023)
Presentation / Conference Contribution
Pymer, S., Harwood, A. E., Prosser, J., Waddell, A., Rhavindhran, B., McGregor, G., Ibeggazene, S., Huang, C., Twiddy, M., Nicholls, A. R., Ingle, L., Carroll, S., He, H., Long, J., Rooms, M., & Chetter, I. C. High-intensity interval training in patients with intermittent claudication. Presented at 2022 Vascular Society of Great Britain and Ireland Annual Scientific Meeting, Brighton, UK

Objective: Provision, uptake, adherence, and completion rates for supervised exercise programs (SEP) for intermittent claudication (IC) are low. A shorter, more time-efficient, 6-week, high-intensity interval training (HIIT) program may be an effecti... Read More about High-intensity interval training in patients with intermittent claudication.

Multi-wave analyses of coping, athlete burnout, and well-being among F. A. Premier League academy players (2022)
Journal Article
Nicholls, A. R., Madigan, D. J., & Earle, K. (2022). Multi-wave analyses of coping, athlete burnout, and well-being among F. A. Premier League academy players. Frontiers in Psychology, 13, Article 979486. https://doi.org/10.3389/fpsyg.2022.979486

Being a player with an F. A. Premier football academy is very prestigious for young players, but it can also be very stressful too. Coping with stress is particularly important given that one of the undesirable consequences linked to chronic stress i... Read More about Multi-wave analyses of coping, athlete burnout, and well-being among F. A. Premier League academy players.

Snitches get Stitches and End up in Ditches: A Systematic Review of the Factors Associated with Whistleblowing Intentions (2021)
Journal Article
Nicholls, A. R., Fairs, L. R., Toner, J., Jones, L., Mantis, C., Barkoukis, V., Perry, J. L., Micle, A. V., Theodorou, N. C., Shakhverdieva, S., Stoicescu, M., Vesic, M. V., Dikic, N., Andjelkovic, M., Muñoz-Guerra Revilla, J., Grimau, E. G., Martínez, M. A., Amigo, J. A., & Schomöller, A. (2021). Snitches get Stitches and End up in Ditches: A Systematic Review of the Factors Associated with Whistleblowing Intentions. Frontiers in Psychology, 12, Article 631538. https://doi.org/10.3389/fpsyg.2021.631538

Blowing the whistle on corruption or wrongdoing can facilitate the detection, investigation, and then prosecution of a violation that may have otherwise gone undetected. The purpose of this systematic review was to identify the factors that are assoc... Read More about Snitches get Stitches and End up in Ditches: A Systematic Review of the Factors Associated with Whistleblowing Intentions.

Pleasant emotions widen thought-action repertoires, develop long-term resources, and improve reaction time performance: A multi-study examination of the Broaden-and-Build theory among athletes (2021)
Journal Article
Perry, J. L., Burke, R., Toner, J., Thompson, M., & Nicholls, A. R. (2021). Pleasant emotions widen thought-action repertoires, develop long-term resources, and improve reaction time performance: A multi-study examination of the Broaden-and-Build theory among athletes. Journal of sport & exercise psychology, 43(2), 155-170. https://doi.org/10.1123/JSEP.2020-0192

The authors investigated relationships between emotions, coping, and resilience across two studies. In Study 1a, 319 athletes completed dispositional questionnaires relating to the aforementioned constructs. In Study 1b, 126 athletes from Study 1a re... Read More about Pleasant emotions widen thought-action repertoires, develop long-term resources, and improve reaction time performance: A multi-study examination of the Broaden-and-Build theory among athletes.

Investigating the alignment between coaches’ ideological beliefs and academy philosophy in professional youth football (2020)
Journal Article
Hall, J., Cope, E., Townsend, R. C., & Nicholls, A. R. (in press). Investigating the alignment between coaches’ ideological beliefs and academy philosophy in professional youth football. Sport, Education and Society, https://doi.org/10.1080/13573322.2020.1856061

© 2020 Informa UK Limited, trading as Taylor & Francis Group. The impacts of professional sporting culture and institutional discourse on coaching practices and ideologies have largely been unconsidered and undiscussed. Understanding coaching pract... Read More about Investigating the alignment between coaches’ ideological beliefs and academy philosophy in professional youth football.

Feasibility randomised controlled trial examining the effects of the Anti-Doping Values in Coach Education (ADVICE) mobile application on doping knowledge and attitudes towards doping among grassroots coaches (2020)
Journal Article
Nicholls, A. R., Fairs, L. R., Plata-Andrés, M., Bailey, ​., Cope, ​., Madigan, ​. D. J., Koenen, ​., Glibo, ​., Theodorou, ​. ​. C., Laurent, ​.-F., Garcia, ​. ​., & ​ Chanal​, ​. (2020). Feasibility randomised controlled trial examining the effects of the Anti-Doping Values in Coach Education (ADVICE) mobile application on doping knowledge and attitudes towards doping among grassroots coaches. BMJ Open Sport and Exercise Medicine, 6(1), Article 000800. https://doi.org/10.1136/bmjsem-2020-000800

Objectives Sports coaches are influential in whether athletes dope, but receive very little antidoping education, particularly within entry-level coaching qualifications. We tested the feasibility of an antidoping intervention, delivered via a mobile... Read More about Feasibility randomised controlled trial examining the effects of the Anti-Doping Values in Coach Education (ADVICE) mobile application on doping knowledge and attitudes towards doping among grassroots coaches.

The Susceptibles, Chancers, Pragmatists, and Fair Players: An Examination of the Sport Drug Control Model for Adolescent Athletes, Cluster Effects, and Norm Values Among Adolescent Athletes (2020)
Journal Article
Nicholls, A. R., Levy, A. R., Meir, R., Sanctuary, C., Jones, L., Baghurst, T., Thompson, M. A., & Perry, J. L. (2020). The Susceptibles, Chancers, Pragmatists, and Fair Players: An Examination of the Sport Drug Control Model for Adolescent Athletes, Cluster Effects, and Norm Values Among Adolescent Athletes. Frontiers in Psychology, 11, Article 1564. https://doi.org/10.3389/fpsyg.2020.01564

© Copyright © 2020 Nicholls, Levy, Meir, Sanctuary, Jones, Baghurst, Thompson and Perry. Although there are few high-profile cases of adolescent athletes being caught doping, up to a third of young athletes may dope. In order to generate a more accur... Read More about The Susceptibles, Chancers, Pragmatists, and Fair Players: An Examination of the Sport Drug Control Model for Adolescent Athletes, Cluster Effects, and Norm Values Among Adolescent Athletes.

high INtensity Interval Training In pATiEnts with intermittent claudication (INITIATE): protocol for a multi-centre, proof-of-concept, prospective interventional study (2020)
Journal Article
Pymer, S., Harwood, A., Ibeggazene, S., McGregor, G., Huang, C., Twiddy, M., Nicholls, A. R., Ingle, L., Carroll, S., Long, J., Rooms, M., & Chetter, I. C. (2020). high INtensity Interval Training In pATiEnts with intermittent claudication (INITIATE): protocol for a multi-centre, proof-of-concept, prospective interventional study. BMJ open, 10(7), Article e038825. https://doi.org/10.1136/bmjopen-2020-038825

Introduction: The first-line recommended treatment for patients with intermittent claudication (IC), is a supervised exercise programme (SEP), which includes a minimum of 2 hours exercise per week over a 12-week period. However, provision, uptake, an... Read More about high INtensity Interval Training In pATiEnts with intermittent claudication (INITIATE): protocol for a multi-centre, proof-of-concept, prospective interventional study.

The effects of the iPlayClean education programme on doping attitudes and susceptibility to use banned substances among high-level adolescent athletes from the UK: A cluster-randomised controlled trial (2020)
Journal Article
Nicholls, A. R., Morley, D., Thompson, M. A., Huang, C., Abt, G., Rothwell, M., Cope, E., & Ntoumanis, N. (2020). The effects of the iPlayClean education programme on doping attitudes and susceptibility to use banned substances among high-level adolescent athletes from the UK: A cluster-randomised controlled trial. International Journal of Drug Policy, 82, Article 102820. https://doi.org/10.1016/j.drugpo.2020.102820

Background: This study examined the effects of the iPlayClean anti-doping intervention on attitudes towards doping and susceptibility, and whether delivery mode affected the results.
Methods: A total of 1,081 high-level UK athletes (14-18 years old... Read More about The effects of the iPlayClean education programme on doping attitudes and susceptibility to use banned substances among high-level adolescent athletes from the UK: A cluster-randomised controlled trial.

The Effects of the iPlayClean Education Programme on Doping Attitudes and Susceptibility to use Banned Substances among High-Level Adolescent Athletes from the UK: A Cluster-Randomised Control Trial (2020)
Journal Article
Nicholls, A., Morley, D., Thompson, M. A., Huang, C., Abt, G., Rothwell, M., Cope, E., & Ntoumanis, N. (in press). The Effects of the iPlayClean Education Programme on Doping Attitudes and Susceptibility to use Banned Substances among High-Level Adolescent Athletes from the UK: A Cluster-Randomised Control Trial. International Journal of Drug Policy,

Background: This study examined the effects of the iPlayClean anti-doping intervention on attitudes towards doping and susceptibility, and whether delivery mode affected the results.
Methods: A total of 1,081 high-level UK athletes (14-18 years old... Read More about The Effects of the iPlayClean Education Programme on Doping Attitudes and Susceptibility to use Banned Substances among High-Level Adolescent Athletes from the UK: A Cluster-Randomised Control Trial.

Stress appraisals influence athletic performance and psychophysiological response during 16.1 km cycling time trials (2020)
Journal Article
Thompson, M. A., Toner, J., Perry, J. L., Burke, R., & Nicholls, A. R. (2020). Stress appraisals influence athletic performance and psychophysiological response during 16.1 km cycling time trials. Psychology of sport and exercise, 49(July), Article 101682. https://doi.org/10.1016/j.psychsport.2020.101682

Objectives: We examined how stress appraisals were associated with emotions, coping behaviours, as well as subjective and objective measures of performance.
Design: Prospective field- and laboratory-based studies.
Methods: In Study 1, 192 athletes... Read More about Stress appraisals influence athletic performance and psychophysiological response during 16.1 km cycling time trials.

Mental health and psychological well-being among professional rugby league players from the UK (2020)
Journal Article
Nicholls, A. R., Madigan, D. J., Fairs, L. R. W., & Bailey, R. (2020). Mental health and psychological well-being among professional rugby league players from the UK. BMJ Open Sport and Exercise Medicine, 6(1), Article e000711. https://doi.org/10.1136/bmjsem-2019-000711

Objective: This study aimed to measure depressive symptoms, anxiety symptoms and psychological well-being among a sample of Super League players, the highest tier of professional rugby league in the northern hemisphere. Methods: Between November 2018... Read More about Mental health and psychological well-being among professional rugby league players from the UK.

Coping tendencies and changes in athlete burnout over time (2020)
Journal Article
Madigan, D. . J., Rumbold, J. L., Gerber, M., & Nicholls, A. R. (2020). Coping tendencies and changes in athlete burnout over time. Psychology of sport and exercise, 48, Article 101666. https://doi.org/10.1016/j.psychsport.2020.101666

Burnout can lead to numerous negative outcomes for athletes. While we know a reasonable amount about how athlete burnout develops over time, we know comparably less about the role of coping in this process. The present study aimed to help address thi... Read More about Coping tendencies and changes in athlete burnout over time.

Cheater, cheater, pumpkin eater: the Dark Triad, attitudes towards doping, and cheating behaviour among athletes (2019)
Journal Article
Madigan, D. J., Duncan, L., Hallward, L., Lazuras, L., Bingham, K., Fairs, L. R., & Nicholls, A. R. (2020). Cheater, cheater, pumpkin eater: the Dark Triad, attitudes towards doping, and cheating behaviour among athletes. European journal of sport science : the official journal of the European College of Sport Science, 20(8), 1124-1130. https://doi.org/10.1080/17461391.2019.1694079

We examined the relationships between the Dark Triad personality traits (Machiavellianism, narcissism, and psychopathy), attitudes towards doping, and cheating behaviour among athletes. One-hundred and sixty-four athletes completed a completed a matr... Read More about Cheater, cheater, pumpkin eater: the Dark Triad, attitudes towards doping, and cheating behaviour among athletes.