Doctoral Theses / Doktorsavhandlingar Psykologiska institutionen
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Come lie with me: On deception by groups and the concept of statement consistency
(2022-10-13)Research on the topic of group deception has primarily focused on cooffenders. The aim of this thesis was to further our understanding of group deception by examining the context of honest and deceptive alibis corroborated by ... -
Parents´ experience of living with a child displaying oppositional defiant disorder. Top-down and bottom-up approaches to gain a deeper understanding of the complexity
(2022-05-11)Clinical levels of oppositional defiant disorder (ODD) during childhood are considered a significant marker of risk to develop mental illness later in life. If serious behavior problems begin as early as preschool years ... -
The Measurement of Subjective Well-Being: Item Response Theory, Classical Test Theory, and Multidimensional Item Response Theory
(2022-04-25)For over 35 years, modern science has conceptualized happiness as subjective well-being, which has until recently been understood as a dual construct consisting of an affective component (positive and negative affect) and ... -
Clinical Perspectives on Attention-Deficit/Hyperactivity Disorder (ADHD): Long-term, Naturalistic Follow-ups in Childhood and in Adulthood
(2022-04-21)The overall aim of this thesis was to evaluate the long-term outcome of Attention-Deficit/Hyperactivity Disorder (ADHD) in childhood and in adulthood, as it is presented in typical patients in real-world settings. Study ... -
Internet-based psychological interventions for alcohol use disorder. Treating addiction and supporting concerned significant others
(2022-03-30)The aim of this doctoral thesis was to investigate the efficacy of three internet interventions for alcohol problems: (1) high-intensity internet treatment (ePlus) compared to (2) an unguided low-intensity internet treatment ... -
On the psychology of environmental policy and the influence of social norms
(2022-03-03)Current environmental challenges, such as greenhouse gas emissions and water pollution, are large-scale problems that will be difficult to solve without the intervention of governments or the coordinated cooperation of a ... -
On Retirement and Cognitive Aging from a Life-Span Perspective
(2021-11-24)Retirement is a major life event potentially affecting domains such as cognitive functioning and well-being. The main aim of this thesis was to assess whether retirement influences cognitive functioning and how inter- ... -
Psychology for sustainable shared mobility: An investigation of the use of private cars and carsharing services
(2021-11-17)What are people’s travel patterns – both users and non-users of carsharing and private cars in European cities? What are the main psychological aspects of and motives for making a travel mode choice? This thesis aims to ... -
Technology-assisted child sexual abuse
(2021-10-18)Internet communication technology has created new ways for adults to sexually abuse children, and as the world becomes more and more digitalized and children are increasingly connected, reports about online child sexual ... -
Community stress exposure: Youth externalizing behavior and parenting in cultural context
(2021-09-28)The aim of this thesis was to examine the process by which families respond to community-wide stressors in different cultural contexts. Each quantitative study within this thesis investigated the role of parenting behaviors ... -
Experiences and Perceptions of Default Nudges
(2021-08-19)Of the many challenges we face as individuals and as a society, several of the most important and hardest ones are behavioral. We often know what needs to be done to solve an issue, but struggle to put this knowledge into ... -
IMPACTS OF EVIDENCE ON DECISION-MAKING IN POLICE INVESTIGATION
(2021-05-19)When conducting an investigation, police officers collect evidence from various sources (e.g., humans, objects, areas). The type of evidence (i.e., physical vs. personal) can affect the investigators’ beliefs about the ... -
Interviewing preschoolers: Facilitators and barriers to young children's legal testimony
(2020-11-19)Children’s testimonies are often vital during criminal investigations of alleged maltreatment. The aim of this thesis was to improve our understanding of forensic interviews with preschool-aged children (aged 3 to 6 years). ... -
Sleep and cognition in old age: Birth cohort differences, dementia, and biomarkers of Alzheimer´s disease
(2020-11-12)The focus for this thesis is on two major determinants of health and wellbeing in older people, namely subjective sleep disturbance and cognition. Data were drawn from the H70 Birth Cohort Studies, comprising representative ... -
Developing into early adulthood: The role of identity and personality
(2020-11-05)The overall aim of this thesis was to investigate the development into early adulthood, focusing on identity and personality. The aim of Study I was to explore the developmental course and implications of the two meta-traits ... -
Violence in Close Relationships, Sexual Risk- taking, and Help-seeking among Young Men
(2020-10-29)In close relationships and through sexual intimacy, most adolescents and young adults have opportunities to develop the ability to experience emo-tional intimacy and trust. This thesis focuses on problematic phenomena that ... -
Sexting among adolescents: A gendered online phenomenon, related to individual and social determinants
(2020-09-24)This thesis concerns sexting among Swedish adolescents and adolescent sexual development. Adolescence is a period of major bodily, cognitive, and social changes and of sexual exploration. As many post-millennials have ... -
Sharing & Caring. Division of parental leave from a psychological perspective
(2020-09-17)Parents’ preconditions for early parenting vary depending on social and cultural contexts. This thesis provides a psychological perspective on parenting and family life within the context of parental leave in Sweden, ... -
Child maltreatment among young adolescents: Effects on mental health, academic functioning and substance use
(2019-12-11)The main aim of this doctoral thesis was to investigate how experiences of childhood maltreatment affected three developmentally salient areas of functioning in adolescent development. Participants were recruited through ... -
Visuospatial inattention and processing speed: Predictors of long-term outcome and patterns of change after ischemic stroke
(2019-11-05)Impairments of visuospatial attention, language, and processing speed (PS) are common early after stroke and have been associated with unfavorable short-term functional outcomes but little is known about this relationship ...
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