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2017

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The Relationship Between Appearance Comparisons And Disordered Eating Behaviors: A Proposed Model And A Test Of An Intervention, Allison Minnich Jan 2017

The Relationship Between Appearance Comparisons And Disordered Eating Behaviors: A Proposed Model And A Test Of An Intervention, Allison Minnich

Psychology

One sociocultural factor that has been implicated as a risk factor in the development of eating disorders is a tendency to compare one’s appearance to others’ (appearance-related comparisons). The aims of the current study were to propose a detailed model of the relationship between appearance comparisons and disordered eating behaviors based on a review of previous literature and to experimentally test an intervention generated from this model. Previous research reports inconsistent findings regarding the potential differential impact of comparisons to universalistic (i.e., distant sources of influences) and particularistic (i.e., close sources of influence) targets. The intervention aimed to alter appearance …

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Dual Effects Model Of Social Control: Extending The Model To 24-Hour Health Behavior, Michael P. Mead Jan 2017

Dual Effects Model Of Social Control: Extending The Model To 24-Hour Health Behavior, Michael P. Mead

Psychology

The Dual Effects Model of Social Control suggests that partners can positively and negatively influence the health behaviors of their partner. However, the model fails to consider the impact of control on non-targeted health behaviors, such as sleep. The current study sought to expand this model by including sleep continuity and duration as outcomes related to control efforts targeting diet and exercise. Partner control and objective sleep data were collected via daily sleep diaries and Fitbit Charge HR. Regression models were used to test the direct and indirect effects of control on sleep duration and continuity and the extent to …

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A Radioelement Analysis Of The Northern Black Hills, South Dakota, U.S.A., Dylan Wade Young Jan 2017

A Radioelement Analysis Of The Northern Black Hills, South Dakota, U.S.A., Dylan Wade Young

Theses and Dissertations

The uranium, thorium, and potassium contents from 736 samples, within a 15-km radius of the Homestake Gold Mine and Sanford Underground Research Facility in the Northern Black Hills indicate the geoneutrino background may be higher than average for the continental crust. The radioactive element contents of igneous, metamorphic, and sedimentary rocks were determined by gamma ray spectrometry. Many rocks show hydrothermal and metamorphic alteration within the last ten Ma of the Tertiary period. Young alkali rich igneous rocks, such as rhyolite, phonolite and other volcanic rocks, have lower than average Th:U ratios. The radioelement content of 215 igneous rocks were …

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