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Research on self-regulatory variables like mindfulness and effortful control proposes strong links with physical and mental health outcomes across the lifespan, from childhood and adolescence to adulthood and old age. One pathway by which self-regulation may confer health benefits is through individual differences in reports of and emotional responses to

Research on self-regulatory variables like mindfulness and effortful control proposes strong links with physical and mental health outcomes across the lifespan, from childhood and adolescence to adulthood and old age. One pathway by which self-regulation may confer health benefits is through individual differences in reports of and emotional responses to daily negative and positive events. Mindfulness is broadly defined as non-reactivity to inner experiences, while effortful control is broadly defined as attentional and behavioral regulation. Mindfulness and effortful control have both been conceptualized to exert their beneficial effects on development through their influence on exposure/engagement and emotional reactivity/responsiveness to both negative and positive events, yet few empirical studies have tested this claim using daily-diary designs, a research methodology that permits for examining this process. With a sample of community-dwelling adults (n=191), this thesis examined whether dispositional mindfulness (i.e., non-reactivity of inner experience) and effortful control (i.e., attention and behavioral regulation) modulate reports of and affective reactivity/responsiveness to daily negative and positive events across 30 days. Results showed that mindfulness and effortful control were each associated with reduced exposure to daily stressors but not positive events. They also showed that mindfulness and effortful control, respectively, predicted smaller decreases in negative affect and smaller increases in positive affect on days that positive events occurred. Overall, these findings offer insight into how these self-regulatory factors operate in the context of middle-aged adults’ everyday life.
ContributorsCastro, Saul (Author) / Infurna, Frank (Thesis advisor) / Doane, Leah (Committee member) / Davis, Mary (Committee member) / Arizona State University (Publisher)
Created2018
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The primary goal of this study was to investigate whether youth from an affluent community showed elevated rates of substance use and associated problems in young adulthood relative to national norms. The secondary goal was to determine if parents’ “containment,” or stringent disciplinary action, of adolescent substance use as measured

The primary goal of this study was to investigate whether youth from an affluent community showed elevated rates of substance use and associated problems in young adulthood relative to national norms. The secondary goal was to determine if parents’ “containment,” or stringent disciplinary action, of adolescent substance use as measured in Grade 12 could help predict substance use in senior year of college, over and above other parenting factors. The final goal was to assess trends of substance use over time for stability based on categories of participants’ overall levels of use in Grade 12, (low, medium, high). Results indicated that substance use remained elevated into young adulthood, relative to national norms, consistent with extant research involving upper middle class youth. In regression analyses, high parents’ containment was associated with low substance use in senior year of college; however, the inclusion of Grade12 use as a covariate reduced this association with containment such that it was no longer statistically significant. Such results suggest a mediated effect, with Grade 12 substance use mediating the effects of Grade 12 Containment on college senior year substance use. Finally, upper middle class youth were found to remain in their relative substance use group (low, medium, high) as determined at Grade 12 through all four years of college. Taken together, these results emphasized the importance of high school substance use behaviors as a notable risk factor for problematic substance use over time.
ContributorsSmall, Phillip J (Author) / Luthar, Suniya (Thesis advisor) / Meier, Madeline (Committee member) / Infurna, Frank (Committee member) / Arizona State University (Publisher)
Created2015
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Given the major investment young people make in earning and maintaining a peer reputation, our goal in this study was to explore the association between dimensions of negative and positive peer reputation in middle school and adjustment several years later, by the end of high school, among upper middle class

Given the major investment young people make in earning and maintaining a peer reputation, our goal in this study was to explore the association between dimensions of negative and positive peer reputation in middle school and adjustment several years later, by the end of high school, among upper middle class youth. Prior research has shown negative reputations such as aggressive-disruptive and sensitive-isolated to be associated with maladjustment later in life, whereas reputations like popular and prosocial-leader have been related to positive future outcomes. However, there are contrary findings that reveal a more complex relationship between peer reputation and adjustment, showing certain “negative” reputations to be tied with better outcomes in some domains and the converse in others. Using a sample of middle school students, a confirmatory factor analysis (CFA) was performed to test a four-factor model of the Revised Class Play, a peer report measure on peer reputations. CFA findings supported the four-factor model with the following reputations: popular, prosocial, aggressive, and isolated. Structural equation models were used to predict 12th grade adjustment outcomes (academic achievement, psychopathology, substance use) from middle school peer reputation. Prosocial reputation in middle school was connected to higher academic achievement and fewer externalizing symptoms in 12th grade. Both prosocial and isolated peer reputation were negatively associated with alcohol, cigarette, and marijuana use, whereas a popular reputation was related to higher levels of alcohol use. Middle school reputation did not predict internalizing symptoms in 12th grade. Findings are discussed in terms of adaptive and maladaptive adjustment outcomes associated with each peer reputation and implications for future research.
ContributorsCurlee, Alexandria (Author) / Luthar, Suniya (Thesis advisor) / Aiken, Leona (Committee member) / Infurna, Frank (Committee member) / Arizona State University (Publisher)
Created2016