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A behavioral genetic examination of the relation between adolescent polysubstance use and educational attainment
(University of Missouri--Columbia, 2023)
in regard to educational attainment. However, whether this association reflects a causal relationship or a shared liability giving rise to both adolescent substance use and early school dropout was unclear. In this dissertation project, I conducted a series...
Examining the time course under which specific and gist episodic memory representation are established at encoding among young and older adults
(University of Missouri--Columbia, 2023)
, particularly at specific but not general/gist levels of representation. Yet, the reasons why older adults' episodic memory representations are less specific or detailed than those of younger adults remain to be fully elucidated. In the present study, across two...
A diffusion model analysis of transitivity and lexicographic semiorder
(University of Missouri--Columbia, 2023)
The primary aim of the present dissertation is to examine the underlying cognitive processes of transitivity and lexicographic semiorders. To this end, I apply the diffusion model to preferential choice data, where ...
A culturally appropriate mindfulness intervention to reduce health disparities among African Americans : feasibility, acceptability, and efficacy of mantram repetition
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 5/1/2024] Mindfulness interventions improve psychological and physiological health outcomes because they interrupt the link between stress and disease processes. Despite the promise of these interventions ...
Hopeful feelings : inducing the feelings of hope and examining its social and cognitive effects
(University of Missouri--Columbia, 2022)
knowledge of the cognitive and social implications of hopeful feelings. Four studies tested various manipulations intended to induce hopeful feelings distinct from general positive mood. Images of baby faces and tree saplings were found to successfully...
Sleep intraindividual variability and fatigue in parents of children on the autism spectrum
(University of Missouri--Columbia, 2022)
Fatigue is associated with numerous harmful physical and mental health outcomes. Despite the established relationship between sleep and fatigue, research on the association between the variability of sleep measures within ...
Purpose maintained : adverse childhood experiences and meaning in life
(University of Missouri--Columbia, 2022)
Adverse childhood experiences (ACEs) are associated with poor functioning in childhood, adolescence, and adulthood. Six studies examined the relationship between ACEs and meaning in life, focusing on the facets of meaning ...
Subjective-objective sleep discrepancy in older adults : examining the roles of cognition and arousal
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 8/1/2024] The difference between subjective (self-report) and objective (e.g., polysomnography, wrist-worn wearables) measures of sleep is referred to as subjectiveobjective sleep discrepancy (SOSD) and ...
The role of drinking context in the relationship between impulsivity and alcohol use in daily life
(University of Missouri--Columbia, 2023)
Alcohol consumption among young adults is prevalent, with 29 percent of individuals reporting binge drinking in the past month. Impulsivity is a well-established risk factor for problematic alcohol use. However, little is ...
Associations between friends' responses during problem talk and emotional adjustment
(University of Missouri--Columbia, 2022)
The present study examined how friends' responses to each other during problem talk predicted depressive symptoms overtime. Early and mid-adolescents (N = 314 friend dyads) were observed discussing a problem with a close ...
Examining positive schizotypy's relationship with openness facets, maladaptive openness, and other maladaptive traits
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 12/1/2024] Positive schizotypy is a trait reflecting increased risk for schizophrenia-spectrum disorders and includes symptoms such as magical beliefs and unusual perceptual experiences. The normative ...