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Item Analysis of the Late Adolescent Home Observation for Measure of the Environment Inventory

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This thesis was an analysis of items in the Late Adolescent Home Observation for Measure of the Environment (LA HOME) after the first wave of N = 138 interviews. The purpose of this project was to learn how to utilize a statistical software such as SPSS to analyze items and…

This thesis was an analysis of items in the Late Adolescent Home Observation for Measure of the Environment (LA HOME) after the first wave of N = 138 interviews. The purpose of this project was to learn how to utilize a statistical software such as SPSS to analyze items and interpret results. Frequency analysis, inter-rater reliability (IRR), correlation analysis, internal consistency using Cronbach's alpha, and feedback from research assistants were considered when deciding which items should be eliminated from the measure. After running these analyses, ten items were suggested for deletion including: clean, adolescent's room allows for privacy, reference materials, news, family encourages adolescent to think independently, community service, parent knows where adolescent spends time, weekly household responsibilities, school/career planning, and dentist. Future interviews generating a larger sample size as well as discussions and subsequent revisions to the manual will clarify additional items that may be eliminated from the final version of the instrument.
ContributorsMiller, Ava Kathryn (Author) / Bradley, Robert (Thesis director) / Spinrad, Tracy (Committee member) / Barrett, The Honors College (Contributor) / T. Denny Sanford School of Social and Family Dynamics (Contributor)
Created2015-05
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Examining sound and urban-desert differences in the acoustic properties of Northern Mockingbird (Mimus polyglottus) calls as it relates to species survival

Description
Human activity produces ambient noise that potentially alters species’ abilities to communicate with each other—among other impacts. Given that birds are known to be sensitive to structural changes in habitat and highly communicative through sound, it is beneficial to understand how changing acoustic ecologies and ambient noise impact birds’…

Human activity produces ambient noise that potentially alters species’ abilities to communicate with each other—among other impacts. Given that birds are known to be sensitive to structural changes in habitat and highly communicative through sound, it is beneficial to understand how changing acoustic ecologies and ambient noise impact birds’ ability to communicate in their respective environments. In this study, mockingbird calls from an urban, desert, and intermediate study site were recorded and analyzed for differences in acoustic properties. Acoustic properties such as frequency and amplitude differed significantly across sites as it was determined that mockingbirds in urban areas increase both the peak frequency and amplitude of their calls in order to communicate. This study identifies what these changes in acoustic properties mean in relation to the survival and conservation of birds and concludes with recommendations for novel research.
ContributorsReynolds, Bailey Susana (Author) / Pearson, David (Thesis director) / Walters, Molina (Committee member) / School of Sustainability (Contributor) / School of Life Sciences (Contributor) / Dean, W.P. Carey School of Business (Contributor) / Barrett, The Honors College (Contributor)
Created2019-05