Stockholm university

David Anders ForsströmResearcher

Research projects

Publications

A selection from Stockholm University publication database

  • A study protocol of a randomized controlled study of internet-based cognitive behavioral therapy for adult attention deficit hyperactivity disorder

    2023. David Forsström (et al.). Internet Interventions 33

    Article

    Attention deficit hyperactivity disorder (ADHD) is a disorder characterized by hyperactivity, impulsivity and lack of attention. It can have a major impact on everyday life and result in negative consequences for one's personal, academic, and work situation. For individuals with symptoms of ADHD, increased levels of anxiety and depression are common, and an overall reduction of quality of life is often present. This study protocol describes a clinical trial of internet-based cognitive behavioral therapy (iCBT), using a randomized controlled study design, with the primary aim to increase quality of life, as well as to reduce symptoms of ADHD, anxiety, depression, and stress. A second aim is to investigate, by qualitative means, what aspects of treatment were perceived as helpful and hindering when it comes to completing iCBT. Two hundred participants with symptoms of ADHD will be included and randomized to two conditions (treatment and wait-list control). The treatment period is comprised of a maximum of ten weeks, with two mandatory modules and ten modules from which the participants can choose freely. Self-report measures will be completed by the participants at baseline and end of treatment, as well as at a six-month follow-up. The treatment is guided by therapists and consists of weekly correspondence with the participants. The study will utilize an intention to treat design, with ANOVAs and Reliable Change Index to evaluate treatment effects. The qualitative part of the project will be interview-based and employ thematic analysis. Lastly, a psychometric evaluation of a common instrument for determining ADHD-symptoms will also be made. The results will hopefully contribute to the evidence base for iCBT for individuals with symptoms of ADHD and help disseminate potentially effective interventions.

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  • New skills for distance regulation: Therapists’ experiences of remote psychotherapy following the COVID-19 pandemic

    2023. Andrzej Werbart (et al.). Journal of psychotherapy integration

    Article

    Social distancing during the COVID-19 pandemic forced many therapists to shift from in-person sessions to the use of communication technology. This shift actualizes the issue of for whom and when remote therapy is suitable and how the therapeutic technique should be adjusted. Our study explored therapists’ long-term experiences of remote psychotherapy after this transition. Data were collected about 2 years after World Health Organization’s (WHO’s) declaration of the COVID-19 pandemic. Semistructured interviews with 10 therapists with different treatment orientations were analyzed, applying the qualitative method of inductive experiential thematic analysis. The therapists said that the use of communication technology implied a new and different in-session interaction, inclusive of changed relational dynamics and the need to adjust their way of working. All therapists experienced possibilities and advantages as well as difficulties and challenges with remote psychotherapy. As time went on, they gained both positive and negative new experiences of the distinctive features of remote therapy and became more comfortable with remote communication. Above all, they acquired new technical and relational skills. Taken together, the therapists’ experiences illustrate the need to develop new skills for negotiating setting alternations and distance regulation and to adapt therapeutic interventions when shifting between in-person settings and remote sessions.

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  • Outcome of iCBT for ADHD symptoms: A randomized controlled study

    2023. Ellinor Engström (et al.). Abstracts from the 12th Swedish Congress on internet interventions (SWEsrii), Uppsala University, Sweden, 2-2

    Conference

    Attention deficit hyperactivity disorder is a disorder characterized by, hyperactivity, impulsivity, lack of attention.The condition results in several impairments that can impair everyday functioning and lead to underperformance. At present, there are not many large scale studies that have investigated the effect of Internet-based Cognitive Behavioral Therapy (iCBT) for ADHD symptoms. This study presents the outcome of a clinical trial of internet- based cognitive behavioral therapy (iCBT), using a randomized controlled study design, with the primary aim to increase quality of life, as well as to reduce symptoms of ADHD, anxiety, depression, and stress. Approximately a hundred participants with symptoms of ADHD will be included in the first wave (recruitment for the second wave comprised of an additional 100 participants is ongoing) and randomized to two conditions (treatment and wait-list control). The treatment period is comprised of ten weeks, with two mandatory modules and ten modules from which the participants can choose freely. The study utilizes an intention to treat design, with ANOVAs and Reliable Change Index to evaluate treatment effects both on an individual and group level. Implications for iCBT for ADHD symptoms will be discussed.

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  • Treatment related helping and hindering factors for iCBT for ADHD symptoms: A qualitative study

    2023. Alexa Kjellberg (et al.). Abstracts from the 12th Swedish Congress on internet interventions (SWEsrii), Uppsala University, Sweden, 6

    Conference

    Attention deficit hyperactivity disorder (ADHD) is a condition with symptoms such as hyperactivity, impulsivity, lack of attention. ADHD can affect every day for an individual in a comprehensive way leading to poor performance and negative consequences. However, little is known about what influences treatment success and what patients experience as helping and hindering in this context. The aim of this current study is to evaluate helping and hindering factors for undergoing iCBT for ADHD. An additional focus on helping and hindering factors outside the treatment setting also included. Participants are recruited from a randomized controlled trial and those who completed the treatment is asked to participate in the study. The goal of the treatment is to increase everyday functioning and decrease ADHD symptoms. Participants are interviewed via telephone using a semi-structured interview guide and transcribed ad verbatim. The interviews are analyzed using thematic analysis. The results regarding helping and hindering factors are discussed in relation to treatment adherence and outcome of treatment. The study will inform how future treatments can be implemented in a better way.

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  • What do we know about alcohol internet interventions aimed at employees?—A scoping review

    2023. Christopher Sundström (et al.). Frontiers In Public Health 11

    Article

    Background: Internet interventions are a promising avenue for delivering alcohol prevention to employees. The objective of this scoping review was to map all research on alcohol internet interventions aimed at employees regardless of design, to gain an overview of current evidence and identify potential knowledge gaps.

    Methods: We conducted a literature search in three data bases (PsycInfo, PubMed, and Web of Science). Eligibility criteria were that (1) the study targeted employees age ≥18 years; (2) the intervention was delivered predominantly online; (3) the study focused specifically or in part on alcohol use; and (4) the study was published in English in a peer-reviewed academic journal. Two reviewers independently screened, reviewed, and extracted data.

    Results: Twenty studies were included, of which 10 were randomized controlled trials, five were secondary analyses, three were feasibility trials, one was a cohort study and one described the rationale and development of an intervention. No qualitative studies were found. Randomized trials tended to show effects when interventions were compared to waitlists but not when more intensive interventions were compared to less intensive ones. We identified two design-related aspects where studies differed; (1) whether all applicants were included regardless of alcohol use level and (2) whether the intervention was explicitly framed as alcohol-focused or not. Significant recruitment problems were noted in several studies.

    Conclusions: Alcohol internet interventions hold promise in delivering alcohol prevention to employees, but heterogeneity in study design and difficulties in recruitment complicate interpretation of findings.

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  • Treating perfectionism using internet-based cognitive behavior therapy: Comparing two types of treatment

    2022. Alexander Rozental (et al.). Abstracts from the 11th Swedish Congress on internet interventions (SWEsrii), Gothenburg, Sweden, 23-24 May 2022, 11-11

    Conference

    Introduction: Perfectionism is characterized by setting high standards and being concerned about performance, which can have a negative impact on interpersonal relationships and psychological wellbeing. Cognitive behavior therapy (CBT), administered in a face-to-face setting and via the Internet, has previously demonstrated promising effects with regard to symptoms of perfectionism and related problems, for example depression. However, no clinical trial has used an active comparator. In the current study, Internet-based CBT (iCBT) was compared to Internet-based Unified Protocol (iUP) for self-referred participants seeking treatment for perfectionism.

    Methods: In total, 138 participants were deemed eligible and randomized to receive two types of treatment via the Internet, iCBT and iUP. Eight modules over eight weeks were distributed, containing both psychoeducation and homework assignments. If needed, participants could also receive support on demand from three therapists. A number of self-report measures were administered prior to and after the treatment period. At the time of the conference, the results of both conditions will be analyzed using an intention-to-treat, mixed model-analysis, applying maximum likelihood estimation to account for missing data.

    Results: Results from the post-treatment assessment showed that half of the participants (52.9%) had opened all of the eight modules, with no difference between the conditions. For the main outcome measure, the Clinical Perfectionism Questionnaire, the within-group effect size Cohen’s d was 1.61 for iCBT and 1.83 for iUP. For the secondary outcome measures, effects ranged from d 0.33 to 0.67. At the time of the conference, additional results from two follow-up assessments, six- and 12-months, will also be presented.

    Conclusion: Perfectionism can lead to significant difficulties and sometimes warrant treatment. CBT has been shown to benefit those affected by helping them change inflexible standards, refute cognitive biases, experiment with more flexible behaviors, and basing one’s self-worth on more than performance. The current study replicates prior research findings that CBT for perfectionism can successfully be delivered via the Internet, which could help disseminate an effective treatment to those in need.

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  • Therapeutic encounters at the onset of the COVID-19 pandemic: psychodynamic therapists' experiences of transition to remote psychotherapy

    2022. Katrin Ahlström (et al.). Psychoanalytic Psychotherapy 36 (3), 256-274

    Article

    The COVID-19 pandemic crippled many parts of society as it spread throughout the world beginning in early 2020. Overnight, whole societies were forced to change their way of life, because of social distancing and lockdowns. For therapists, the pandemic meant that in-person sessions were no longer possible and many switched to different forms of synchronous remote communication by telephone, online audio or video link. The aim of this study was to explore psychodynamic therapists’ experiences over time of forced transitions to telepsychotherapy. Five therapists were interviewed at the beginning of the pandemic and at a one-year follow-up. The data were analysed by applying thematic analysis with a phenomenological approach. Initially, the therapists struggled with technical and safety issues. The loss of the therapy room and of access to non-verbal nuances contributed to impaired contact with the patients and more superficial conversations. The therapists experienced that the very nature of psychodynamic psychotherapy was affected, even if telepsychotherapy could give some new opportunities. One year later many of the difficulties remained, but the therapists developed better coping strategies and were back to the therapy focus. One implication of this study is that telepsychotherapy needs to be integrated into psychotherapy training and supervision.

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  • Psychometric properties of the Jonsson-Abbott Scale: Rasch and confirmatory factor analyses

    2022. David Forsström (et al.). Frontiers in Psychology 13

    Article

    Measuring and assessing the different aspects of gambling behavior and its consequences is crucial for planning prevention, treatment, and understanding the development of at-risk and problem gambling. Studies indicate that instruments measuring problem gambling produce different results based on the characteristics of the population assessed. To accurately measure at-risk and problem gambling behavior, especially in a low-risk population, measures must cover a wider set of dimensions than the negative consequences already manifest. The Jonsson-Abbott Scale (JAS) includes items that cover overconsumption, actions that reinforce gambling behavior, and belief in gambling fallacies, based on a three-factor structure and has previously demonstrated good psychometric properties. However, there is a need to investigate how the instrument also functions in low-risk populations. This study aims to do so using both confirmatory factor and Rasch analysis; this research included 1,413 Swedish participants who endorsed at least one JAS item. The results replicated the previous three-factor solution and indicated that the instrument had good reliability. In addition, the results demonstrated that the three factors are independent, and the overall score per factor needs to be analyzed. In summary, the JAS appears suitable for use in low-risk populations to measure various aspects of gambling behavior.

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  • Procrastination Among University Students: Differentiating Severe Cases in Need of Support From Less Severe Cases

    2022. Alexander Rozental (et al.). Frontiers in Psychology 13

    Article

    Procrastination refers to voluntarily postponing an intended course of action despite expecting to be worse off for this delay, and students are considered to be especially negatively affected. According to estimates in the literature, at least half of the students believe procrastination impacts their academic achievements and well-being. As of yet, evidence-based ideas on how to differentiate severe from less severe cases of procrastination in this population do not exist, but are important in order to identify those students in need of support. The current study recruited participants from different universities in Sweden to participate in an anonymous online survey investigating self-rated levels of procrastination, impulsivity, perfectionism, anxiety, depression, stress, and quality of life. Furthermore, diagnostic criteria for pathological delay (PDC) as well as self-report items and open-ended questions were used to determine the severity of their procrastination and its associated physical and psychological issues. In total, 732 participants completed the survey. A median-split on the Pure Procrastination Scale (PPS) and the responses to the PDC were used to differentiate two groups; “less severe procrastination” (PPS ≤ 2.99; n = 344; 67.7% female; M age = 30.03; SD age = 9.35), and “severe procrastination” (PPS ≥ 3.00; n = 388; 66.2% female; M age = 27.76; SD age = 7.08). For participants in the severe group, 96–97% considered procrastination to a problem, compared to 42–48% in the less severe group. The two groups also differed with regard to considering seeking help for procrastination, 35–38% compared to 5–7%. Participants in the severe group also reported more problems of procrastination in different life domains, greater symptoms of psychological issues, and lower quality of life. A thematic analysis of the responses on what physical issues were related to procrastination revealed that these were characterized by stress and anxiety, e.g., tension, pain, and sleep and rest, while the psychological issues were related to stress and anxiety, but also depression, e.g., self-criticism, remorse, and self-esteem. The current study recommends the PPS to be used as an initial screening tool, while the PDC can more accurately determine the severity level of procrastination for a specific individual.

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  • Mental health in individuals with self-reported psychiatric symptoms during the COVID-19 pandemic: Baseline data from a swedish longitudinal cohort study

    2022. Alexander Rozental (et al.). Frontiers in Psychiatry 13

    Article

    Objective: Individuals with psychiatric disorders may be both vulnerable and sensitive to rapid societal changes that have occurred during the COVID-19 pandemic. To fully understand these impacts, repeated measurements of these individuals are warranted. The current longitudinal study set out to perform monthly assessment of individuals with common psychiatric disorders using established questionnaires with a possibility for them to self- rate their symptoms, over time.

    Methods: Recruitment of individuals who identified themselves as struggling with mental health problems, living in Sweden between July 2020 and June 2021 using an online survey. The individuals answered questions on demographics, psychiatric history, current psychiatric symptoms (e.g., Patient Health Questionnaire, PHQ-9; General Anxiety Disorder, GAD-7), somatic health, health-care contacts and any changes therein during the pandemic. Monthly, longitudinal assessments are still ongoing (consenting participants provide data for 1 year), and here we present descriptive statistics from the baseline measurement. All measurements from baseline (>400 items), and follow-ups are presented in detail.

    Results: A total of 6.095 participants (average age 35 years) submitted complete baseline data. Marital status (43% single) and number of years of education (48% highest degree being high school) were evenly distributed in this population. The most common lifetime psychiatric disorder in the sample was depressive disorder (80.5%) and generalized anxiety disorder (45.9%), with a substantial proportion having severe symptoms of depression. (30.5%) and anxiety (37.1%). Lifetime suicidal ideation (75.0%) and non-suicidal self-harm (57.7%) were prevalent in the group and 14.5% reported drug use during the pandemic. Allergies (36.8%) were the most common somatic condition, followed by irritable bowel syndrome (18.7%). For those having experienced a traumatic event, 39% showed symptoms during the pandemic indicating PTSD. Regarding contact with mental health services during the pandemic, 22% had established a new contact, and 20% reported to have increased their psychiatric medication compared to before the pandemic.

    Conclusion: Baseline data collected during the pandemic from individuals in Sweden with pre-existing psychiatric disorders demonstrate that this sample represents a population suitable for an investigation on the long-term impact of the pandemic, as intended by the longitudinal investigation that is ongoing. Follow-up questionnaires over a 12-month period are being collected and will indicate how the health and well-being of this population was impacted during the changes and uncertainties that have been characteristic of the past 2 years.

    Read more about Mental health in individuals with self-reported psychiatric symptoms during the COVID-19 pandemic
  • Measuring loot box consumption and negative consequences: Psychometric investigation of a Swedish version of the Risky Loot Box Index

    2022. David Forsström (et al.). Addictive Behaviors Reports 16

    Article

    Loot boxes are products in videogames that is earned by playing a video game or by buying them. Loot boxes has similar mechanisms as a lottery and there is an ongoing debate if loot boxes are gambling. However, to understand the potential harm of loot boxes valid instruments are needed. An English study psychometrically evaluated an instrument focused on risky loot box use called the Risky Loot Box Index. The study evaluated 12 item scale and based on a factor analysis it was reduced to a five-item scale. The aim of our study is to evaluate a Swedish version of the 12-item instrument from a psychometric perspective. Two samples recruited via an online survey were used. The first sample was recruited from the gambling site Unibet. A mail with an invitation to participate was sent to esports bettors and sport bettors at the gambling site. The second sample was recruited from a Facebook forum focused on e-sports. An invitation was posted on the forum to partake in the study. A total of 195 of respondents (96% men and 4% women) with a mean age of 33.76 (SD = 12.34) answered the Unibet survey and 169 respondents (96% men and 4% women and non-binary) with a mean age of 23.89 (SD = 5.52) answered the Facebook survey. An exploratory factor analysis yielded a two-factor seven item solution. The factors were overconsumption regarding time spent on loot boxes and the other factor was focused on overconsumption of loot boxes in terms of spending money. The confirmatory factor analysis conducted in the Facebook sample validated the result from the exploratory factor analysis. The conclusion of the study is that the Swedish version of the Risky Loot Index has good psychometric properties and can used to measure risky loot box consumption. 

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  • Isolation and worry in relation to gambling and onset of gambling among psychiatry patients during the COVID-19 pandemic: A mediation study

    2022. David Forsström (et al.). Frontiers in Psychology 13

    Article

    When the COVID-19 pandemic started spreading globally, there was a fear that addictive behaviors would increase due to changes in everyday life caused by restrictions due to COVID-19. Studies were carried out to explore if this was true for gambling, typically revealing no overall increase in gambling behavior, although individuals who had previous experience with gambling problems were more likely to increase gambling during the pandemic. However, these studies only included individuals with previous gambling problems. It remains unknown whether other vulnerable groups, such as individuals with common mental disorders increased their gambling. This study aimed to explore the level of gambling problems among individuals with a history of mental disorders, namely, (i) pre-pandemic gamblers and (ii) pandemic-onset gamblers. Furthermore, we explored if worry and isolation mediate gambling and problem gambling. The data were analyzed using descriptive statistics and a structural equation model to investigate mediation. The results showed a high prevalence of at-risk and problem gambling in both groups. The pre-pandemic gamblers had a high level of at-risk and problem gambling. Furthermore, the individuals that started to gamble during the pandemic had an even higher degree of at-risk and problem gambling. The mediation showed that the onset of gambling was linked with the worry of COVID-infection and that worry predicted the level of gambling problems. This study highlights that vulnerability factors, isolation, and worry can be triggers for individuals with common mental disorders to engage in gambling as well as the importance of screening this population for gambling problems.

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  • Alcohol Use and Gambling Associated with Impulsivity among a Swedish University Sample

    2022. David Forsström, Alexander Rozental, Kristina Sundqvist. International Journal of Environmental Research and Public Health 19 (4)

    Article

    Excessive alcohol use and gambling can have negative consequences. Across countries, the risk of excessive alcohol use is more common in university populations than in the general population. However, few studies have investigated the prevalence of both alcohol use and gambling in this group. This study explores these behaviours in a Swedish university setting. In addition, this study investigates how impulsivity affects alcohol use and gambling. In total, 794 Swedish students answered an online survey. Data were analysed using descriptive statistics to determine prevalence, and multinomial logistic regression was used to determine the contribution of impulsivity, age, and sex to alcohol use and gambling. Compared to the Swedish national prevalence, the prevalence was higher for excessive alcohol use, but the prevalence of gambling was at the same level or lower. High levels of impulsivity and male sex increased the risk of excessive alcohol use, while older age lowered the risk of excessive alcohol use and gambling. The results indicate that primarily young men could benefit from primary prevention in a university setting. Also, screening for impulsivity in men might be one way to identify risk groups in a university population.

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  • Criminogenic problem gambling: a study of verdicts by Swedish courts

    2022. Per Binde, Jenny Cisneros Örnberg, David Forsström. International Gambling Studies 22 (3), 344-364

    Article

    This study explored the characteristics and consequences of criminogenic problem gambling in Sweden. All verdicts (N = 283,884) delivered by Swedish general courts between 2014 and 2018 were subjected to a key word search for the term ‘problem gambling’ and its synonyms. Verdicts that met the search criterion (n = 1,232) were inspected manually and cases in which problem gambling clearly was the main cause for committing crime (n = 282) were analyzed quantitatively. The most common types of crimes were fraud and embezzlement (67%). Each year around 400 individuals, companies, and organizations became victims of gambling-driven crimes, with nonprofit organizations being the most severely affected. Those convicted for such crimes were older, and to a greater extent female and first-time offenders, compared to national statistics on crimes in general. This suggests that in Sweden, middle-aged women are a high-risk group for severe gambling problems that should be monitored particularly closely by gambling companies for indications of problematic gambling. We conclude that although crimes driven by problem gambling are relatively rare in the justice system, they bring considerable harm to victims and the perpetrators themselves.

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  • Accessibility at What Price? Therapists’ Experiences of Remote Psychotherapy with Children and Adolescents During the COVID-19 Pandemic

    2022. Anette Erlandsson (et al.). Journal of Infant, Child, and Adolescent Psychotherapy 21 (4), 293-308

    Article

    Psychotherapy has traditionally been delivered in person, but recent technological advances have made it possible to conduct remote treatments. There is currently strong evidence for the efficacy of guided self-help with online support from a therapist, but less is known about video-mediated psychotherapy. The COVID-19 pandemic has however forced many therapists to provide remote treatments. This transition might be especially trying for therapists of children and adolescents, but their experiences are underexplored. This study aimed to investigate their perceptions of video-mediated psychotherapy. Semi-structured interviews were conducted with 16 therapists and analyzed using thematic analysis. The therapists described how they struggled with technical and ethical issues and tried to overcome the loss of their usual therapeutic tools. They were concerned that the online format led to less effective treatments or could have negative effects, even if it might increase care availability. Generally, they felt frustrated, inadequate, and stressed, and experienced less job satisfaction. The therapists concluded that video-mediated sessions might be a good alternative for children and adolescents – provided the therapists themselves could determine for whom and when to offer video sessions. Implications of their experiences are discussed, including how psychotherapy training might have to incorporate issues related to remote psychotherapy.

    Read more about Accessibility at What Price? Therapists’ Experiences of Remote Psychotherapy with Children and Adolescents During the COVID-19 Pandemic
  • Further Exploration of the Psychometric Properties of GamTest

    2021. David Forsström (et al.). International Journal of Environmental Research and Public Health 18 (9)

    Article

    GamTest is a self-rating scale of negative consequences of gambling, included in the popular responsible gambling tool Playscan as part of an overall risk assessment and feedback feature. Two previous psychometric evaluations of this instrument yielded contradictory results: in an online high-gambling population, a five-factor model was supported and the instrument had overall good psychometric properties, but in a low-gambling population, the same factor structure was not supported. Because GamTest is used with both low- and high-gambling populations, more psychometric research is needed to fully understand how the instrument works. The current study examined, for the first time, psychometric performance among a sample of low-gambling respondents using a Rasch analysis. Results indicated that the instrument could be improved by decreasing the scale-steps and removing several problematic items demonstrating misfit. Furthermore, the findings indicated that some items functioned differently depending on gender, and that a shortened, improved nine-item version could not differentiate between different levels of risk. Our findings suggest that the instrument would arguably benefit from being adapted for use in a low-gambling population. 

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  • Gamblers' Perception of the Playscan Risk Assessment

    2021. David Forsström (et al.). Journal of Gambling Studies

    Article

    Responsible gambling (RG) tools are globally widespread; they aim to prevent or decrease the harm caused by gambling. However, existing research suggests that several included features do not decrease gambling or significantly reduce the subsequent harm. Most of the previous studies have used gambling data to understand the changes in gambling behavior. However, the literature lacks research regarding gamblers' experience and perception of RG tools, which may provide insight into increasing the usage and effectiveness of RG tools. This mixed-methods study aimed to explore gamblers' perception of their risk assessment in the RG tool Playscan regarding developing harmful gambling problems. Overall, 757 participants rated the perceived accuracy of their risk assessment and their perception of the overall RG tool that conducted the assessment. Participants were also allowed to leave a comment providing feedback, which was analyzed using thematic analysis. Quantitative data was analyzed using logistic regression and structural equation modeling. Qualitative analyses revealed that most of the participants were pleased with the risk assessment and found it helpful. Moderated mediation analysis showed that participants' assessment agreement partially mediated the association between expressing a negative view and their general view of Playscan. These results highlight the need to decrease the level of disagreement for promoting a better general view of RG tools to potentially increase their usage and effectiveness.

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