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Barrett accepts high performing, academically engaged undergraduate students and works with them in collaboration with all of the other academic units at Arizona State University. All Barrett students complete a thesis or creative project which is an opportunity to explore an intellectual interest and produce an original piece of scholarly research. The thesis or creative project is supervised and defended in front of a faculty committee. Students are able to engage with professors who are nationally recognized in their fields and committed to working with honors students. Completing a Barrett thesis or creative project is an opportunity for undergraduate honors students to contribute to the ASU academic community in a meaningful way.

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Description
We examined the relations between maternal depression, discipline practices, and toddler mental health outcomes, specifically competence and total problem behavior. Ethnicity was considered as a moderator in all analyses. For the first time, ethnicity was considered as a moderator of the heritability of toddler competence and total problem behavior. The

We examined the relations between maternal depression, discipline practices, and toddler mental health outcomes, specifically competence and total problem behavior. Ethnicity was considered as a moderator in all analyses. For the first time, ethnicity was considered as a moderator of the heritability of toddler competence and total problem behavior. The data came from the Arizona Twin Project. A subsample containing only Caucasian (66%) and Hispanic (34%; 87% of Mexican descent) participants was used. Primary caregivers (>95% mothers) reported on levels of maternal depression, discipline practices, and their twins' competency and problem behaviors. It was hypothesized that maternal depression would be associated with less competency and more problem behaviors in toddlers; inductive discipline practices would be associated with higher competency and fewer problem behaviors; and punitive discipline practices would be associated with lower competency and more problem behaviors. Ethnicity was predicted to moderate only the relation between discipline practices and toddler mental health. Consistent with predictions, maternal depression predicted less competency and more problem behaviors, and inductive discipline predicted higher competency and fewer problem behaviors, while punitive discipline predicted lower competency and more problem behaviors. Ethnicity moderated the relation between maternal depression at 12 months and total problem behaviors. The heritability of competence and total problem behavior varied across the Caucasian and Hispanic samples.
ContributorsChon, Sarah Maria (Author) / Lemery-Chalfant, Kathryn (Thesis director) / Knight, George (Committee member) / Bradley, Robert (Committee member) / Barrett, The Honors College (Contributor) / Department of Psychology (Contributor) / School of International Letters and Cultures (Contributor)
Created2015-05
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Description
Sufficient sleep in childhood is fundamental to proper development as well as preventing behavioral or emotional complications later in adulthood (Gregory & Sadeh, 2012; Bruni, 2010). Sleep is controlled by a 24-hour cycle of hormonal regulation termed the circadian rhythm, which is controlled by different environmental inputs such as light

Sufficient sleep in childhood is fundamental to proper development as well as preventing behavioral or emotional complications later in adulthood (Gregory & Sadeh, 2012; Bruni, 2010). Sleep is controlled by a 24-hour cycle of hormonal regulation termed the circadian rhythm, which is controlled by different environmental inputs such as light (Reppert & Weaver, 2002). Previous research has also demonstrated that light exposure at night can delay the night phase production of specific hormones that promote sleep (Zeitzer, Dijk, Kronauer, Brown, & Czeisler, 2004; Chang, Aeschbach, Duffy, & Czeisler, 2015), which in turn delays sleep onset. Such studies involving the effects that light may have on sleep have focused on adult subjects, however, and it is important to explore this idea in childhood to promote proper development. The first aim of this study was to examine the effects of light exposure in the hour before bedtime on different measures of sleep in middle childhood. The second aim was to determine the genetic and environmental contributions to light exposure and sleep. A diverse sample of 490 twin children was assessed at 8 years of age. Twins followed a week long protocol in which they wore actigraph watches that collected data on both light and sleep. Zero-order correlations with subsequent multilevel regression analyses showed that any light exposure in the hour before bedtime was significantly positively associated with sleep onset latency. Twin intraclass correlations indicated no heritability for light exposure, but did indicate some heritability ranging from 7-66% for the sleep indicators. Overall, these findings regarding the impacts of sleep in childhood build upon an area of research that has only been explored in adulthood. These impacts of light on sleep in childhood suggest that possible interventions ought to be explored for implementation to minimize the long-term effects of altered sleeping patterns in childhood.
ContributorsScheel, Sydney Elise (Author) / Lemery-Chalfant, Kathryn (Thesis director) / Clifford, Sierra (Committee member) / School of Molecular Sciences (Contributor) / School of International Letters and Cultures (Contributor) / Barrett, The Honors College (Contributor)
Created2019-05
Description

Background: Unintentional injury has been the leading cause of death for children and teenagers in the United States for the past 2 decades. Its health outcomes are often studied, but it may also relate to psychological concepts such as emotion dysregulation, which may also result in severe outcomes for individuals,

Background: Unintentional injury has been the leading cause of death for children and teenagers in the United States for the past 2 decades. Its health outcomes are often studied, but it may also relate to psychological concepts such as emotion dysregulation, which may also result in severe outcomes for individuals, families, and societies. There is no consensus on a conceptual definition of emotion dysregulation, and little prior literature on the specific relation between dysregulation and injury in the transition to adolescence. Methods: The current study aims to identify latent factors of emotion dysregulation using exploratory factor analyses. Subsequently, multilevel regressions illuminate relations between dysregulation and injury at 2 late childhood and early adolescence time points in a large ethnically, socioeconomically, and regionally representative sample of Arizona twins recruited from birth records and ongoing efforts. Results: 6 total factors representing emotion dysregulation at 2 ages were created. Factors were valid when tested against temperament and psychopathology constructs. No significant longitudinal or cross-sectional associations between emotion dysregulation factors and unintentional injury were found. Sex and rurality differences were found in factor scores and dysregulation outcomes. Discussion: The current study highlights new avenues of research and funding. Future research on this topic should reflect a concentrated and nuanced focus on injury. Concordant age 9 and age 11 factors loaded differently, which urges the field to strive toward developing a standardized definition for emotion dysregulation. Covariate differences highlight target populations for interventions in unintentional injury and emotion dysregulation, which remain independent areas of concern.

ContributorsHummel, Haley (Author) / Lemery-Chalfant, Kathryn (Thesis director) / Davis, Mary (Thesis director) / Doane, Leah (Committee member) / Meier, Madeline (Committee member) / Barrett, The Honors College (Contributor) / Department of Psychology (Contributor) / School of International Letters and Cultures (Contributor) / School of Human Evolution & Social Change (Contributor)
Created2022-12