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Outputs (35)

Disordered gambling, or dependence and consequences: a bifactor exploratory structural equation model analysis of the problem gambling severity index (2024)
Journal Article

Background The Problem Gambling Severity Index (PGSI) is a widely used assessment of disordered gambling. However, it has been claimed that instead of measuring a single factor of problem gambling severity, the PGSI measures two correlated factors o... Read More about Disordered gambling, or dependence and consequences: a bifactor exploratory structural equation model analysis of the problem gambling severity index.

The importance of need‐altruism and kin‐altruism to blood donor behaviour for black and white people (2024)
Journal Article

Background Need-altruism (a preference to help people in need) and kin-altruism (a preference to help kin over non-kin) underlie two hypotheses for voluntary blood donation: (i) Need-altruism underlies motivations for volunteer blood donation and (i... Read More about The importance of need‐altruism and kin‐altruism to blood donor behaviour for black and white people.

To screen, or not to screen: An experimental comparison of two methods for correlating video game loot box expenditure and problem gambling severity (2023)
Journal Article
Xiao, L. Y., Newall, P., & James, R. J. (2024). To screen, or not to screen: An experimental comparison of two methods for correlating video game loot box expenditure and problem gambling severity. Computers in Human Behavior, 151, Article 108019. https://doi.org/10.1016/j.chb.2023.108019

Loot boxes are gambling-like products found in video games that players can buy with real-world money to obtain random rewards. A positive correlation between loot box spending and problem gambling severity has been well-replicated. Some researchers... Read More about To screen, or not to screen: An experimental comparison of two methods for correlating video game loot box expenditure and problem gambling severity.

Tracking online searches for gambling activities and operators in the United Kingdom during the COVID-19 pandemic: A Google Trends™ analysis (2023)
Journal Article
Houghton, S., Boy, F., Bradley, A., James, R., Wardle, H., & Dymond, S. (2023). Tracking online searches for gambling activities and operators in the United Kingdom during the COVID-19 pandemic: A Google Trends™ analysis. Journal of Behavioral Addictions, 12(4), 983-991. https://doi.org/10.1556/2006.2023.00055

Background: Whilst some research has explored the impact of COVID-19 on gambling behaviour, little is yet known about online search behaviours for gambling during this period. The current study explored gambling-related online searches before, during... Read More about Tracking online searches for gambling activities and operators in the United Kingdom during the COVID-19 pandemic: A Google Trends™ analysis.

The relationship between smartphone use and smartphone addiction: An examination of logged and self-reported behavior in a pre-registered, two-wave sample (2023)
Journal Article
Hitcham, L., Jackson, H., & J.E. James, R. (2023). The relationship between smartphone use and smartphone addiction: An examination of logged and self-reported behavior in a pre-registered, two-wave sample. Computers in Human Behavior, 146, Article 107822. https://doi.org/10.1016/j.chb.2023.107822

There has been a growing literature that has utilized logged behavior from smartphones to study the impacts of technology use on individuals. One of these proposed impacts has been that people become addicted to their smartphones. Measurements of sma... Read More about The relationship between smartphone use and smartphone addiction: An examination of logged and self-reported behavior in a pre-registered, two-wave sample.

How does the phrasing of house edge information affect gamblers’ perceptions and level of understanding? A Registered Report (2023)
Journal Article
Newall, P. W. S., James, R. J., & Maynard, O. M. (2024). How does the phrasing of house edge information affect gamblers’ perceptions and level of understanding? A Registered Report. Addiction Research and Theory, 32(1), Article 2195171. https://doi.org/10.1080/16066359.2023.2195171

The provision of information to consumers is a common input to tackling various public health issues. By comparison to the information given on food and alcohol products, information on gambling products is either not given at all, or shown in low-pr... Read More about How does the phrasing of house edge information affect gamblers’ perceptions and level of understanding? A Registered Report.

Depression, Cognition, and Pain: Exploring Individual, Cultural and Country-Level Effects Across Europe (2023)
Journal Article
James, R. J., & Ferguson, E. (2023). Depression, Cognition, and Pain: Exploring Individual, Cultural and Country-Level Effects Across Europe. Journal of Pain, 24(6), 1104-1115. https://doi.org/10.1016/j.jpain.2023.03.006

The aim of this paper was to investigate the role of economic (eg, GDP per capita), political (eg, healthcare spending), cultural (country-level aggregates norms) and individual correlates (eg, depression) of pain in a secondary analysis of a sample... Read More about Depression, Cognition, and Pain: Exploring Individual, Cultural and Country-Level Effects Across Europe.

Individual differences in decision-making: evidence for the scarcity hypothesis from the English Longitudinal Study of Ageing (2022)
Journal Article
Tunney, R. J., & James, R. (2022). Individual differences in decision-making: evidence for the scarcity hypothesis from the English Longitudinal Study of Ageing. Royal Society Open Science, 9(10), Article 220102. https://doi.org/10.1098/rsos.220102

We report the results of a pre-registered analysis of data from the English Longitudinal Study of Ageing that was designed to test the hypothesis that economic scarcity is associated with individual differences in decision-making. We tested this hypo... Read More about Individual differences in decision-making: evidence for the scarcity hypothesis from the English Longitudinal Study of Ageing.

Understanding the construction of ‘behavior’ in smartphone addiction: A scoping review (2022)
Journal Article
James, R. J., Dixon, G., Dragomir, M. G., Thirlwell, E., & Hitcham, L. (2023). Understanding the construction of ‘behavior’ in smartphone addiction: A scoping review. Addictive Behaviors, 137, Article 107503. https://doi.org/10.1016/j.addbeh.2022.107503

It has been claimed that smartphone usage constitutes a behavioral addiction, characterised by compulsive, excessive use of one's phone and psychological withdrawal or distress when the phone is absent. However, there is uncertainty about key phenome... Read More about Understanding the construction of ‘behavior’ in smartphone addiction: A scoping review.

Quantile regression analysis of in-play betting in a large online gambling dataset (2022)
Journal Article
Whiteford, S., Hoon, A. E., James, R., Tunney, R., & Dymond, S. (2022). Quantile regression analysis of in-play betting in a large online gambling dataset. Computers in Human Behavior Reports, 6, Article 100194. https://doi.org/10.1016/j.chbr.2022.100194

In-play betting involves making multiple bets during a sporting event and is an increasingly popular form of gambling. Behavioural analysis of large datasets of in-play betting may aid in the prediction of at-risk patterns of gambling. However, datas... Read More about Quantile regression analysis of in-play betting in a large online gambling dataset.

The Use of Social Media in Research on Gambling: a Systematic Review (2021)
Journal Article
James, R. J. E., & Bradley, A. (2021). The Use of Social Media in Research on Gambling: a Systematic Review. Current Addiction Reports, 8, 235–245. https://doi.org/10.1007/s40429-021-00364-w

Purpose of Review Social media enables a range of possibilities in the way gamblers and gambling operators interact and content communicate with gambling. The purpose of this systematic review was to synthesise the extant literature to identify the... Read More about The Use of Social Media in Research on Gambling: a Systematic Review.

Using heterogeneity in disease to understand the relationship between health and personality (2021)
Journal Article
James, R., Walsh, D., & Ferguson, E. (2022). Using heterogeneity in disease to understand the relationship between health and personality. Psychology, Health and Medicine, 27(7), 1582-1595. https://doi.org/10.1080/13548506.2021.1903057

The aim of this study was to compare the relationship between two health outcomes (pain and self-reported health) and personality while accounting for heterogeneity in arthritic disease. Traditionally health psychology and other health research has t... Read More about Using heterogeneity in disease to understand the relationship between health and personality.

The Central Aspects of Pain in the Knee (CAP-Knee) questionnaire; a mixed-methods study of a self-report instrument for assessing central mechanisms in people with knee pain (2021)
Journal Article
Akin-Akinyosoye, K., James, R. J. E., Mcwilliams, D. F., Millar, B., Das Nair, R., Ferguson, E., & Walsh, D. A. (2021). The Central Aspects of Pain in the Knee (CAP-Knee) questionnaire; a mixed-methods study of a self-report instrument for assessing central mechanisms in people with knee pain. Osteoarthritis and Cartilage, 29(6), 802-814. https://doi.org/10.1016/j.joca.2021.02.562

OBJECTIVES: Pain is the prevailing symptom of knee osteoarthritis. Central sensitisation creates discordance between pain and joint pathology. We previously reported a central pain mechanisms trait derived from 8 discrete characteristics: neuropathic... Read More about The Central Aspects of Pain in the Knee (CAP-Knee) questionnaire; a mixed-methods study of a self-report instrument for assessing central mechanisms in people with knee pain.

Defining the key issues discussed by problematic gamblers on web-based forums: a data-driven approach (2020)
Journal Article
Bradley, A., & James, R. (2021). Defining the key issues discussed by problematic gamblers on web-based forums: a data-driven approach. International Gambling Studies, 21(1), 59-73. https://doi.org/10.1080/14459795.2020.1801793

Online forums can be a source of support for people with gambling-related problems. Forum threads contain detailed information about these gamblers’ experiences. However, because of limitations in data collection and analysis, there have been few sys... Read More about Defining the key issues discussed by problematic gamblers on web-based forums: a data-driven approach.

Towards a cross-cultural assessment of binge-watching: Psychometric evaluation of the “watching TV series motives” and “binge-watching engagement and symptoms” questionnaires across nine languages (2020)
Journal Article
Flayelle, M., Castro-Calvo, J., Vögele, C., Astur, R., Ballester-Arnal, R., Challet-Bouju, G., …Billieux, J. (2020). Towards a cross-cultural assessment of binge-watching: Psychometric evaluation of the “watching TV series motives” and “binge-watching engagement and symptoms” questionnaires across nine languages. Computers in Human Behavior, 111, Article 106410. https://doi.org/10.1016/j.chb.2020.106410

In view of the growing interest regarding binge-watching (i.e., watching multiple episodes of television (TV) series in a single sitting) research, two measures were developed and validated to assess binge-watching involvement (“Binge-Watching Engage... Read More about Towards a cross-cultural assessment of binge-watching: Psychometric evaluation of the “watching TV series motives” and “binge-watching engagement and symptoms” questionnaires across nine languages.

Increasing uptake of National Health Service Health Checks in primary care: a pragmatic randomized controlled trial of enhanced invitation letters in Northamptonshire, England (2019)
Journal Article
Sallis, A., Gold, N., Agbebiyi, A., James, R. J. .., Berry, D., Bonus, A., …Chadborn, T. (2019). Increasing uptake of National Health Service Health Checks in primary care: a pragmatic randomized controlled trial of enhanced invitation letters in Northamptonshire, England. Journal of Public Health, https://doi.org/10.1093/pubmed/fdz134

Disease Activity Flares and Pain Flares in an early rheumatoid arthritis inception cohort; characteristics, antecedents and sequelae (2019)
Journal Article
McWilliams, D. F., Rahman, S., James, R., Ferguson, E., Kiely, P., Young, A., & Walsh, D. (2019). Disease Activity Flares and Pain Flares in an early rheumatoid arthritis inception cohort; characteristics, antecedents and sequelae. BMC Rheumatology, 3, 1-9. https://doi.org/10.1186/s41927-019-0100-9

Background RA flares are common and disabling. They are described in terms of worsening inflammation but pain and inflammation are often discordant. To inform treatment decisions, we investigated whether inflammatory and pain flares are discrete ent... Read More about Disease Activity Flares and Pain Flares in an early rheumatoid arthritis inception cohort; characteristics, antecedents and sequelae.

The dynamic relationship between pain, depression and cognitive function in a sample of newly diagnosed arthritic adults: a cross-lagged panel model (2019)
Journal Article
James, R. J. E., & Ferguson, E. (2020). The dynamic relationship between pain, depression and cognitive function in a sample of newly diagnosed arthritic adults: a cross-lagged panel model. Psychological Medicine, 50(10), 1663-1671. https://doi.org/10.1017/S0033291719001673

Background: Pain and depression are common in the population and co-morbid with each other. Both are also predictive of one another other, and are also associated with cognitive function; people who are in greater pain and more depressed respectively... Read More about The dynamic relationship between pain, depression and cognitive function in a sample of newly diagnosed arthritic adults: a cross-lagged panel model.

Disease Activity Flares and Pain Flares in an early rheumatoid arthritis inception cohort; characteristics, antecedants and sequelae (2019)
Presentation / Conference Contribution
McWilliams, D., Rahman, S., James, R., Ferguson, E., Kiely, P., Young, A., & Walsh, D. (2019, April). Disease Activity Flares and Pain Flares in an early rheumatoid arthritis inception cohort; characteristics, antecedants and sequelae. Poster presented at Rheumatology 2019, Birmingham, UK

Background RA flares are common and disabling. They are described in terms of worsening pain, swelling, or other symptoms. We aimed to determine characteristics, antecedants and sequelae of painful and inflammatory flare subtypes during the first 11... Read More about Disease Activity Flares and Pain Flares in an early rheumatoid arthritis inception cohort; characteristics, antecedants and sequelae.

How are major gambling brands using Twitter? (2019)
Journal Article
James, R. J. E., & Bradley, A. (2019). How are major gambling brands using Twitter?. International Gambling Studies, 19(3), 451-470. https://doi.org/10.1080/14459795.2019.1606927

This paper is the first to compare how major gambling brands are using the popular social media platform Twitter, looking at how gambling brands vary in the frequency of their messages, the content of their tweets and engagement with their Twitter ac... Read More about How are major gambling brands using Twitter?.

Trajectories of pain predict disabilities affecting daily living in arthritis (2019)
Journal Article
James, R. J., Walsh, D. A., & Ferguson, E. (2019). Trajectories of pain predict disabilities affecting daily living in arthritis. British Journal of Health Psychology, 24(3), 465-496. https://doi.org/10.1111/bjhp.12364

Purpose: To examine the interplay between pain and disability in arthritis when adjusting for patient heterogeneity in pain progression. There is consistent evidence to suggest that people experience osteoarthritis heterogeneously, with subgroups of... Read More about Trajectories of pain predict disabilities affecting daily living in arthritis.

Gambling on smartphones: a study of a potentially addictive behaviour in a naturalistic setting (2019)
Journal Article
James, R. J., O 'Malley, C., & Tunney, R. J. (2019). Gambling on smartphones: a study of a potentially addictive behaviour in a naturalistic setting. European Addiction Research, 25(1), 30-40. https://doi.org/10.1159/000495663

Smartphone users engage extensively with their devices, on an intermittent basis for short periods of time. These patterns of behaviour have the potential to make mobile gambling especially perseverative. This paper reports the first empirical study... Read More about Gambling on smartphones: a study of a potentially addictive behaviour in a naturalistic setting.

General and disease-specific pain trajectories as predictors of social and political outcomes in arthritis and cancer (2018)
Journal Article
James, R. J. E., Walsh, D. A., & Ferguson, E. (2018). General and disease-specific pain trajectories as predictors of social and political outcomes in arthritis and cancer. BMC Medicine, 16, Article 51. https://doi.org/10.1186/s12916-018-1031-9

Background: While the heterogeniety of pain progression has been studied in chronic diseases, it is unclear the extent to which patterns of pain progression among people in general as well as across different diseases impacts on social, civic and po... Read More about General and disease-specific pain trajectories as predictors of social and political outcomes in arthritis and cancer.

The need for a behavioural analysis of behavioural addictions (2016)
Journal Article
James, R. J., & Tunney, R. J. (2017). The need for a behavioural analysis of behavioural addictions. Clinical Psychology Review, 52, 69-76. https://doi.org/10.1016/j.cpr.2016.11.010

This manuscript overviews the behavioural (i.e. associative learning, conditioning) research in behavioural addictions, with reference to contemporary models of substance addiction and ongoing controversies in the behavioural addictions literature. T... Read More about The need for a behavioural analysis of behavioural addictions.

Understanding the psychology of mobile gambling: A behavioural synthesis (2016)
Journal Article
James, R. J., O'Malley, C., & Tunney, R. J. (2017). Understanding the psychology of mobile gambling: A behavioural synthesis. British Journal of Psychology, 108(3), 608-625. https://doi.org/10.1111/bjop.12226

This manuscript reviews the extant literature on key issues related to mobile gambling and considers whether the potential risks of harm emerging from this platform are driven by pre-existing comorbidities or by psychological processes unique to mobi... Read More about Understanding the psychology of mobile gambling: A behavioural synthesis.

The Latent Structure of Autistic Traits: A Taxometric, Latent Class and Latent Profile Analysis of the Adult Autism Spectrum Quotient (2016)
Journal Article
James, R. J., Dubey, I., Smith, D., Ropar, D., & Tunney, R. J. (2016). The Latent Structure of Autistic Traits: A Taxometric, Latent Class and Latent Profile Analysis of the Adult Autism Spectrum Quotient. Journal of Autism and Developmental Disorders, 46(12), 3712-3728. https://doi.org/10.1007/s10803-016-2897-z

Autistic traits are widely thought to operate along a continuum. A taxometric analysis of Adult Autism Spectrum Quotient data was conducted to test this assumption, finding little support but identifying a high severity taxon. To understand this furt... Read More about The Latent Structure of Autistic Traits: A Taxometric, Latent Class and Latent Profile Analysis of the Adult Autism Spectrum Quotient.

Sociodemographic predictors of latent class membership of problematic and disordered gamblers (2016)
Journal Article
James, R. J., O'Malley, C., & Tunney, R. J. (2016). Sociodemographic predictors of latent class membership of problematic and disordered gamblers. Addictive Behaviors Reports, 3, 61-69. https://doi.org/10.1016/j.abrep.2016.04.004

This paper reports a series of analyses examining the predictors of gambling subtypes identified from a latent class analysis of problem gambling assessment data, pooled from four health and gambling surveys conducted in Britain between 2007 and 2012... Read More about Sociodemographic predictors of latent class membership of problematic and disordered gamblers.

Loss of control as a discriminating factor between different latent classes of disordered gambling severity (2016)
Journal Article
James, R. J., O'Malley, C., & Tunney, R. J. (2016). Loss of control as a discriminating factor between different latent classes of disordered gambling severity. Journal of Gambling Studies, 32(4), https://doi.org/10.1007/s10899-016-9592-z

Analyses of disordered gambling assessment data have indicated that commonly used screens appear to measure latent categories. This stands in contrast to the oft-held assumption that problem gambling is at the extreme of a continuum. To explore this... Read More about Loss of control as a discriminating factor between different latent classes of disordered gambling severity.

Why are Some Games More Addictive than Others: The Effects of Timing and Payoff on Perseverance in a Slot Machine Game (2016)
Journal Article
James, R. J. E., O’Malley, C., & Tunney, R. J. (2016). Why are Some Games More Addictive than Others: The Effects of Timing and Payoff on Perseverance in a Slot Machine Game. Frontiers in Psychology, 7, Article 46. https://doi.org/10.3389/fpsyg.2016.00046

Manipulating different behavioral characteristics of gambling games can potentially affect the extent to which individuals persevere at gambling, and their transition to problematic behaviors. This has potential impact for mobile gambling technologie... Read More about Why are Some Games More Addictive than Others: The Effects of Timing and Payoff on Perseverance in a Slot Machine Game.

Activity profiles of elite wheelchair rugby players during competition (2015)
Journal Article
Rhodes, J. M., Mason, B. S., Perrat, B., Smith, M. J., Malone, L. A., & Goosey-Tolfrey, V. L. (2015). Activity profiles of elite wheelchair rugby players during competition. International Journal of Sports Physiology and Performance, 10(3), https://doi.org/10.1123/ijspp.2014-0203

To quantify the activity profiles of elite wheelchair rugby and establish classification-specific arbitrary speed zones. Additionally, indicators of fatigue during full matches were explored. Methods: Seventy-five elite wheelchair rugby players from... Read More about Activity profiles of elite wheelchair rugby players during competition.

Continuation of localised coherent structures in nonlocal neural field equations (2014)
Journal Article
Rankin, J., Avitabile, D., Baladron, J., Faye, G., & Lloyd, D. J. (2014). Continuation of localised coherent structures in nonlocal neural field equations. SIAM Journal on Scientific Computing, 36(1), Article B70-B93. https://doi.org/10.1137/130918721

We study localised activity patterns in neural field equations posed on the Euclidean plane; such models are commonly used to describe the coarse-grained activity of large ensembles of cortical neurons in a spatially continuous way. We employ matrix-... Read More about Continuation of localised coherent structures in nonlocal neural field equations.