Andreas Ivarsson

Andreas Ivarsson
Halmstad University · HOV- School of Health and Welfare

Doctor of Psychology

About

128
Publications
57,167
Reads
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2,068
Citations
Additional affiliations
May 2022 - present
Halmstad University
Position
  • Professor
March 2011 - May 2015
Halmstad University
Position
  • PhD Student
Education
February 2011 - May 2015
Linnaeus University
Field of study
  • Psychology

Publications

Publications (128)
Conference Paper
Introduction: Enjoyment is a critical component of youth sporting experiences and coaches have been recognised as a key influence on its development (McCarthy & Jones, 2007). However, most studies examining coach influences on enjoyment have used a cross-sectional design. Hence, little is known regarding how enjoyment develops, and is influenced wi...
Article
Psychological readiness to return to sport (RTS) after injury is a critical and timely area of research that has received significant research attention of late. Although research on psychological readiness to RTS has burgeoned in recent years, there remains a lack of conceptual clarity on what psychological readiness is. As such, our aims in this...
Article
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Background While the psychosocial risk factors for traumatic injuries have been comprehensively investigated, less is known about psychosocial factors predisposing athletes to overuse injuries. Objective The aim of this review was to systematically identify studies and synthesise data that examined psychosocial risk factors for overuse injuries in...
Article
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The creation of risk profiles using the model of stress and athletic injury1 represents a proposed shift from the reductionism paradigm to the complex sport approach in an attempt to formulate prevention strategies to combat the increasing number of injuries being reported in sporting populations. As a result, the primary purpose of this study was...
Article
During the last decades, an increased drop-out rate in adolescents’ team sport participation is observed. Given the potential adverse consequences of drop-out from team sport more information about risk factors for drop-out is warranted. The objectives of this systematic review were to (1) synthesise the literature on factors associated with future...
Article
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Objective A limited number of studies have explored the external load experienced in indoor sports such as ice hockey, and few the link between training and match performance. As a paucity exists within this topic, this study explored whether a simulated match design (i.e., scrimmage) could be representative of official match demands and elicit sim...
Article
Objectives: Self-Determination Theory posits that managers' autonomy-supportive behavior and employees' autonomy causality orientation, are motivation constructs to explain internalization of values, functioning, and wellness at work. Hypothesis 1 tested whether profiles comprising perceived dental clinic managers' autonomy-supportive, as opposed...
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The purpose of this study was to examine the relationship between legal stops and winning in team handball. Real-time analysis was performed on all games played in the Icelandic elite division for both males and females (regular season and playoffs) between 2017–2021 (854 games [570 male games, 284 female games], 32,392 legal stops in total). Legal...
Article
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Football is a popular sport among adolescent females. Given the rate of injuries in female footballers, identifying factors that can predict injuries are important. These injuries are often caused by complex reasons. The aim of this study was to investigate if the combination of demographic (age, number of training and match play hours/week), psych...
Article
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Cognition plays a key role in sports performance. This meta-analytic review synthesizes research that examined the relationship between cognitive functions, skills, and sports performance. We identified literature by searching Cochrane Library, APA PsycINFO, PubMed, and Web of Science. We included studies conducted on competitive athletes, assessed...
Preprint
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Background Despite ACL re-ruptures being common, research on patient experiences after knee trauma has primarily focused on the time after primary ACL reconstruction. Integrating qualitative research and patient experiences can facilitate researchers and clinicians in understanding the burden of an ACL re-rupture. The aim of the study was to explor...
Conference Paper
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Background Sustainable injury preventative behavior is a key factor in increasing the duration an athlete is free from injury. A better understanding of the interplay between different psychological factors and injury preventative behavior (IPB) is needed to be able to translate current knowledge to real-life injury prevention. Objective The aim o...
Article
Objectives The objective of the study was to describe high-level senior and junior, male and female footballers’ levels and changes in mental health and well-being throughout a 8-week period of varying lockdown conditions and restricted training during the first wave of the COVID-19 pandemic. Method One-hundred and one player’s belonging to four t...
Article
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Background: In Denmark, the first COVID-19 pandemic lockdown resulted in a compact season finisher for elite footballers, potentially impacting their mental health. � Purpose: This study aimed to investigate the protective role of resilience and the impeding role of trait anxiety on elite footballers' level and variability of well-being and emotion...
Article
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Objectives Studies including people with severe mental illness (SMI) have reported beneficial effects from physical activity (PA) on psychiatric symptoms, quality of life, and global functioning. However, it is important to be regularly physically active to obtain these effects. Using the motivational lens of self-determination theory, the aim of t...
Article
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The motivational influence of wearable fitness technology (WFT) on increasing physical activity (PA) is unclear, and improvements in PA have been shown to be driven by both intrinsic and extrinsic motivation. In the current study, PA (daily number of steps), moderate to vigorous intensity physical activity, and muscular strength training were measu...
Article
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Background: Most injuries in track and field are caused by overuse with conflicting reports concerning the underlying mechanisms. The purpose of this study was to evaluate how biomechanical and clinical factors relate to the risk of overuse injuries, and to investigate whether the relationships between potential risk factors and injury become stro...
Article
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Background Sick leave due to stress-related mental ill health increases in society. In occupational therapy, occupational balance is considered important for experiencing health and well-being. Thus, knowledge regarding occupational balance and occupational value constitute essential parts of occupational therapists’ work with people suffering from...
Article
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The present study examined relationships between golfers’ self-perceived emotions (e.g., irritability, nervousness, tension), task-oriented coping, perceived control, and performance during a golf competition. We implemented a process-oriented golf analysis in which competitors rated these variables hole-by-hole in a competitive golf round. Within...
Article
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Overuse injuries account for a substantial part of sport injury incidence among athletes of various sports and levels. Despite the gradual onset of symptoms, athletes often persevere in training and competing. The present exploratory study aimed to identify a psychological risk profile for overuse injury. One hundred and forty-nine athletes competi...
Article
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The successful implementation of injury prevention programs is reliant on athletes and coaches accepting, adopting, and complying with behaviors that reduce injury risk. Exploring factors, such as motivation and planned behavior, that might increase the frequency of these behaviors warrants investigation. The aim of the study was to investigate the...
Article
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The aims of the study were to: (a) analyse the re-selection patterns in European youth basketball national teams, and (b) investigate how the chance of re-selection is influenced by the initial selection age and relative age of the players, as well as the long-term performance of the country at the youth level. The sample consisted of 8362 basketba...
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Objective To investigate the prevalence of mental health problems and satisfaction with life among different groups of elite athletes during a selected period of the COVID-19 pandemic and examine how COVID-19 related consequences were associated with these variables. Design Cross-sectional data collection during a selected period of the COVID-19 p...
Article
In this paper, the authors share how a career assistance program was developed, implemented, and evaluated with a Swedish elite handball team. Within this case study, the initial version of the career assistance program’s content was created based on the career-long psychological support services in a Swedish handball framework and the first author...
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Sport participation for youth with immigrant background is often argued to play an important role for migrant youth integration into their new host society. Although few well sampled longitudinal studies has been conducted. The aim of this study was to study the impact that sport participation has on two integration-related outcomes (problem behavi...
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This study investigated the temporal relations of adolescents’ basic need satisfaction in physical education (PE) and global selfworth in a sample of 3,398 lower and upper secondary school students (49% boys, 51% girls, average age T1 = 15.00, SD = 1.79). Four models and competing hypotheses were tested, and the model with bidirectional paths speci...
Article
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Scanning in football (soccer) denotes an active head movement where a player's face is temporarily directed away from the ball to gather information in preparation for subsequently engaging with the ball. The aim of this study was to learn more about the ways that 27 elite professional football players in an English Premier League club use scanning...
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The aim of the study was to examine the temporal relationship between facets of sport-specific dispositional mindfulness (i e., Awareness, Refocusing, Nonjudgemental attitude) and shooting performance in actual competitions, in a population of 25 elite biathlon athletes. Findings indicated that mindfulness facets were positively associated with sho...
Article
In 2009, the Swedish government launched a nationwide dissemination and implementation project regarding substance abuse treatment, Knowledge to Practice (KTP), which was commissioned by the Swedish National Board of Health and Welfare (SoS). Aim The study aimed to evaluate the effectiveness of a national project to disseminate and implement eviden...
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Objective: This study examined the effects of consistency tendency on the predictive power of the theory of planned behavior (TPB) in relation to physical activity behavior. Methods: In this randomized controlled cross-over trial, we recruited 770 undergraduate students from Indonesia who were randomly assigned into two groups. Participants complet...
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Background: Athletics is a sport with a high incidence of injury, where most injuries are caused by overuse. Research on injury incidence and the occurrence of overuse injuries during a season in athletics is scarce. An athlete availability (unrestricted ability to participate in training or competition) of less than 80% has been linked with athle...
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The present study identified profiles of perfectionism and inauthenticity at baseline and tested whether they differed in the maladaptive outcomes of controlled motivation, performance anxiety, and exhaustion after a nine-month period. We purposefully selected elite junior performers (NT1 = 219; NT2 = 156), 16–19 years of age, from Norwegian talent...
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Objective: The objective of the present study was to investigate (a) if daily physical activity at the within-person level is related to four different core affects the same evening, (b) if core affects in the evening predict physical activity the following day, and (c) if physical activity predicts core affects the following day. Design: A total o...
Article
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The present study examined if there were different growth profiles in basic needs frustration in elite junior performers over a nine months period. Subsequently, we examined if the identified growth profiles differed in their levels of perfectionistic strivings and evaluative concerns measured at baseline, and additionally, whether they were associ...
Preprint
Full-text available
Background The purpose of the study was to investigate if participation in a three-month electronic tracking outdoor physical activity and a motivational interviewing (MI) intervention led to positive behavioural, psychological, and physiological outcomes. Method Based on a two-group pre-post experimental design, 12 women and 6 men were randomly as...
Article
Mechanisms leading to cognitive energy depletion in performance settings such as high-level sports highlight likely associations between individuals’ self-control capacity and their motivation. Investigating the temporal ordering of these concepts combining self-determination theory and psychosocial self-control theories, the authors hypothesized t...
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Background: An understanding of physical activity through mediators of behaviour change is important to evaluate the efficacy of interventions. The purpose of this review is to update prior reviews with meta-analysis in order to evaluate the state of physical activity interventions that include proposed mediators of behaviour change. Methods: Liter...
Article
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Research shows that sports-active students experience more basic need satisfaction (autonomy, competence, relatedness) in physical education (PE) than their non-sports-active peers, and thus, reap most of the benefits of PE. This study aimed to investigate the role of a two-year PE programme, referred to as Interest-based PE, in contributing to stu...
Article
Full-text available
Research shows that sports-active students experience more basic need satisfaction (autonomy, competence, relatedness) in physical education (PE) than their non-sports-active peers, and thus, reap most of the benefits of PE. This study aimed to investigate the role of a two-year PE programme, referred to as Interest-based PE, in contributing to stu...
Article
Full-text available
The aim of this study was to explore how coaches’ behaviour affected athletes’ well-being by examine: (a) the potential change in perceptions of need-support from the coach (over an academic year), and (b) the within-person relationship between the three aspects of need-supportiveness and subjective vitality at the end of the winter sport season. 1...
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Objectives: This systematic review had 3 key objectives: (1) to investigate whether psychological factors were associated with future football performance (e.g., progression to professional football, better game statistics during the next season); (2) to critically review the methodological approaches used in the included studies and summarize the...
Article
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The main aim of this study was to investigate if exercisers' personality characteristics were associated with exercise dependence. Specifically, the purpose was to examine if anxiety, obsessive passion, and physical appearance orientation were associated to an increased risk for exercise dependence. Participants were 330 exercisers from exercise gr...
Article
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The first purpose of this study was to longitudinally examine achievement goals in youth sport. The second purpose was to examine the within-person effects of perceived motivational climates by coaches, peers, and parents on achievement goal orientation. Participants were 78 young student-athletes, representing a variety of sports. The student-athl...
Article
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People with psychotic disorders experience to a great extent avoidable physical illnesses and early mortality. The aim of the study was to investigate the potential effects for this group of participating in a lifestyle intervention. A multi-component nurse-led lifestyle intervention using quasi-experimental design was performed. Changes in biomedi...
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Objectives The aim of the study was to examine mediating effects of emotion regulation and sport-specific dispositional mindfulness on self-rated athletic training performance, following the Mindfulness-Acceptance-Commitment (MAC) intervention, compared to a Psychological Skills Training (PST) control group. Methods Sixty-nine competitive elite at...
Conference Paper
The purpose of this study was to investigate how task and ego orientation and physical activity enjoyment develop and was related to each other over a school year in third-grade children. N = 437 children in third grade (M age = 9.30) from eight schools in Denmark participated in the study. The Task and Ego Orientation in Sport Questionnaire (Duda,...
Conference Paper
This study investigated the interplay of measures of cognitive function and quality of life in relation to academic performance. N = 437 children in third grade (mean age 9.30). Measures of attention, memory, working memory and word memory were used as indicators of cognitive performance, four subscales (physical, emotional, social and school funct...
Conference Paper
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Background and objective: Research has demonstrated positive associations between park-based outdoor gyms and physical activity (Rung et al., 2011). Few studies have evaluated potential challenges with outdoor gyms on physical activity, especially interventions using smartphone Apps (Johnson et al., 2019). The purpose was to study the participant’s...
Conference Paper
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Objective: State-of-the-art technologies, for instance, smartwatches and smartphones, have the potential to positively influence physical activity and exercise in sedentary populations. Psychological factors, such as self-determined (SD) motivation, might influence the impact state-of-the-art technologies to have on the level of physical activity a...
Article
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Global self-worth is important for healthy development and learning, and is therefore highlighted as a major aim in the Norwegian physical education (PE) curriculum. Based on prior research this study aimed to assess potential differences in global self-worth and contextual basic need satisfaction among 2854 adolescents (47.5% boys, 52.5% girls, ag...
Article
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Th is study aimed to explore whether a six-week intervention, based on participation in outdoor exercise, including activity-tracking devices and combined with individual consulting sessions, can both increase physical activity and yield positive changes in physiological and psychological health measures. A total of six participants, with a mean ag...
Article
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The prevalence of sports injury among athletes is rather high, suggesting the need to better understand the causes of sports injury, including the risk factors, for preventive purposes. Grounded in basic psychological needs theory (BPNT) and the Model of Stress and Athletic Injury, the aim of this four-wave prospective survey study was to investiga...
Chapter
Sport injuries are a major problem associated with sport participation. To develop preventive strategies and programs, it is important to identify factors that will increase the likelihood of sport injuries. In most sport injury risk factor research, statistical analyses are performed; however, many of the most common statistical analyses provide l...
Article
Objectives: The purpose of this study was to examine professional football players’ perceptions of organizational and media stressors over a season using Achievement Goal Theory (AGT) as the overarching motivational framework. We elaborated upon the experience of the extant motivational climate and how players perceived and coped with a number of o...
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The aim of this article was to describe the implementation of a team-based MAC intervention, and discuss important aspects to consider when implementing the MAC protocol in elite team sports. The MAC program contains seven modules in which core concepts such as mindfulness, acceptance, and values-driven behavior are being taught and practiced. We e...
Article
Injury is a serious setback for athletes and might jeopardize mental health. The aim of this study is to investigate if a mindfulness- and acceptance-based intervention can improve mindfulness (nonreactivity and acting with awareness), acceptance, and well-being, and decrease the level of symptoms of anxiety and depression. A single-case design wit...
Article
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The depletion of self-control competencies has been explained by an external shift in motivation, and recent research has emphasized that controlled types of motivation and self-control competencies are positively associated with exhaustion in youth athletes. Using the self-determination theory (SDT) and self-control theories, this study examined a...
Article
Acknowledging the importance of longitudinal data to test process-based psychological theories of motivation is critical. The purpose of this study was to use a person-centred approach to identify unique subgroups (i.e. profiles) of youth athletes based on their level of self-reported programme quality (PQ) and basic needs support mid-way through t...
Article
This study investigated gambling among Danish and Swedish male elite football players. A cross-sectional design was used to survey 323 players (M age = 22.08, SD = 5.15). The survey included a screening tool for gambling, as well as measures for depression and sport anxiety. The overall rate of players identified as at-risk gamblers was 16.1%. Line...