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An Experimental Investigation Of The Relationship Between Hoarding And Stress, Ashley M. Shaw Jun 2013

An Experimental Investigation Of The Relationship Between Hoarding And Stress, Ashley M. Shaw

Open Access Theses

Hoarding is an impairing disorder characterized by difficulties with discarding one’s belongings and often excessive acquisition, which lead to extreme clutter. Of the hypothesized risk and maintenance factors for hoarding, stress has emerged as an important risk construct. Traumatic and stressful life events have been associated with greater hoarding symptoms and possibly the onset of symptoms; yet, past research is marked by methodological limitations. Using experimental methodology and multi-method assessments, the current study investigated the direct effect of a stress manipulation on subsequent hoarding behaviors; the associations of biological and subjective stress response with hoarding behaviors, symptoms, and cognitions; and …


Developing Recent Mortality As An Ecosystem Indicator To Enhance Coral Monitoring: A Case Study For Southeast Florida Reefs, Nathan P. Formel May 2013

Developing Recent Mortality As An Ecosystem Indicator To Enhance Coral Monitoring: A Case Study For Southeast Florida Reefs, Nathan P. Formel

Open Access Theses

This study developed percent recent mortality to be used as a community-wide indicator of coral reef stress response. Ecosystem indicators are tools used to simplify the monitoring of processes on coral reefs, such as stress response, as well as simplify the communication of these results to the public. Percent recent mortality is a metric used in some of southeast Florida’s long-term reef monitoring projects and shows great promise as an ecological indicator of coral stress response and, inversely, coral health. To develop percent recent mortality for use as an ecological indicator on south Florida reefs, the metric was evaluated using …


Exploring Executive Control As An Underlying Mechanism Of Emotion Regulation And Stress Response, Meghan E. Quinn Apr 2013

Exploring Executive Control As An Underlying Mechanism Of Emotion Regulation And Stress Response, Meghan E. Quinn

Open Access Theses

Previous research has demonstrated a link among stress response, emotion regulation, and executive control, such that greater executive control is associated with ability to use emotion regulation strategies that may promote adaptive responding to stressors. However, evidence of this relation is correlational and it is therefore not clear whether the ability to adaptively respond to stressors is caused by executive control abilities. Recent research has found that changing cognitive biases through training results in changes in emotion regulation ability. Additional research indicates that executive control may also be trained in a similar manner. The current study employed a training design …


Implementation And Model To Model Intercomparison Of 12 Heat Stress Metrics, Jonathan Robert Buzan Jan 2013

Implementation And Model To Model Intercomparison Of 12 Heat Stress Metrics, Jonathan Robert Buzan

Open Access Theses

Earth system models simulate the dynamics of the most complex systems on our planet with some success. Despite the overwhelming sophistication of these models, which include dynamical interactions of ocean, atmosphere, vegetation, ice, and land-surface properties, they fail to include the most important element. People. Humans are also a complex physical-biological system and coupling of human physiology within an Earth Systems Modeling framework is challenging. This thesis presents results that tackle one particular component of human physiological climate interaction--a representation of heat stress on human physiology. Twelve different metrics were implemented and analyzed. These metrics represent a variety of philosophical …