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Multilevel models for intensive longitudinal data with heterogeneous error structure : covariance transformation and variance function models
(University of Missouri--Columbia, 2008)
Recent developments in data collection methods in the behavioral and social sciences, such as Ecological Momentary Assessment (EMA) enables researchers to gather intensive longitudinal data (ILD) and to examine more detailed ...
Decadal mass balance of the Antarctic ice sheet from satellite radar altimetry and its contribution to global sea level change
(University of Missouri--Columbia, 2006)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] In this research, we estimated the decadal mass balance of the Antarctic ice sheet using the European Space Agency's ERS-1 and ERS-2 satellite radar altimeter data over the time...
An in depth evaluation of internal criteria for determining the number of clusters in a data set
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Clustering procedures partition data sets into groups, minimizing the distance within clusters while maximizing the distance between clusters. Clustering can be a powerful tool...
Investing in newsrooms during the layoff era
(University of Missouri--Columbia, 2020)
that reverse dwindling circulation numbers remain a worthy pursuit. This study examines medium-sized newspapers from around the country during what's described as the "layoff era" -- the period of time following the economic recession that began in 2007...
The generalization of positive intergroup attitudes : reducing intergroup anxiety
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Contact settings that include equal status, cooperation/pursuit of common goals, acquaintance potential, and authority sanction can improve intergroup attitudes. However...
Corridors and deer-vehicle collisions along Missouri interstate highways
(University of Missouri--Columbia, 2022)
and rural interstates in Missouri (I-29, I-35, I-44, I-49, I-55, I-57, I-64, I-70, I-155, I-170, I-255, I-270, I-435, and I-470). Despite the small number of DVCs on interstates (<15 percent), these sites are high-speed impacts, averaging $6,717 per crash...
Organizational citizenship behavior as a measure of performance in sport : relationships with leadership, team cohesion, and athlete satisfaction
(University of Missouri--Columbia, 2006)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The purpose of this study was to examine aspects of the Multidimensional Model of Leadership (MML; Chelladurai, 1978), the theory of team cohesion (Widmeyer, Brawley, & Carron...
A genetic approach to determine river otter abundance in Missouri
(University of Missouri--Columbia, 2010)
's effects on sport fish populations have sparked controversy. The MDC responded by increasing efforts to monitor river otter populations, using latrine site counts to measure relative abundance across several rivers in Missouri. However, the actual number...
Classification of rock glaciers in southern Colorado based on ice content using radar interferometry and thermal remote sensing
(University of Missouri--Columbia, 2020)
Remote sensing provides a means of assessing potential water resources stored in alpine ground ice; this study focuses on rock glaciers, in particular. A rock glacier is a landform composed of block of loose debris (talus) ...
Coresidence between divorcing daughters and their mothers : managing feeling like a failure
(University of Missouri--Columbia, 2006)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This study produces a grounded theory of how coresidence between divorcing daughters with minor children and their mothers is negotiated. Thirteen daughters and seven mothers...
Some characteristics and environmental sensitivities of taxpayers taking the United States political contribution tax credit during 1979-1982
(University of Missouri--Columbia, 1988)
This study was designed to determine characteristics of taxpayers taking the political contribution tax credit from 1979 to 1982. This work is similar to studies on the effectiveness of tax incentives in promoting positive ...
Effect of plagioclase crystallization on liquid and magma viscosity in the Anorthite-diopside-dorsterite-quartz system
(University of Missouri--Columbia, 2006)
SiO2 (CMAS) glasses were synthesized as analogs for dacitic and basaltic lavas. Liquid viscosities were measured between 101 and 1013 Pa s, over the temperature range of approximately 1600 to 700⁰C, using concentric cylinder ...
Spatiotemporal patterns of earthquakes and their implications for earthquake hazards
(University of Missouri--Columbia, 2022)
This work focuses on characterizing spatiotemporal patterns of earthquakes, their possible causes, and their implications for seismic hazard assessment. I studied both local and global earthquakes in the view of complex ...
Impact of a psychoeducational intervention on dementia caregiving
(University of Missouri--Kansas City, 2011-12-16)
have shown positive results with psychoeducational interventions on caregiver health and stress. This study examined the impact of a psychoeducational intervention, the Family Series Workshop, on levels of coping, caregiving competence, and stress among...
Relation of Missouri river flows to sandbar morphology with implications for selected biota
(University of Missouri--Columbia, 2006)
.e. an aquatic-terrestrial zone (ATTZ), within the main channel of the lower Missouri River. Predictive models of sandbar morphometry (area, wetted perimeter, elevation, and water-surface slope) were developed to determine how changes in discharge affect...
The relationship between risk factors and problem behaviors in adolescence : an approach to identify a latent general risk and a latent general problem behavior factors
(University of Missouri--Columbia, 2007)
This investigation addressed adolescents' problem behaviors such as school failure, violence, and substance use along with casual sex by identifying a general risk factor and a general problem behavior factor. In this study the data were derived...
Is maturing out of problematic alcohol involvement related to personality change?
(University of Missouri--Columbia, 2008)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Problematic alcohol involvement typically peaks in the early 20s and declines with age. This "maturing out" of alcohol involvement is usually attributed to individuals' attaining...
Expressive writing, relationships, and health
(University of Missouri--Columbia, 2006)
The role of expressive writing in social functioning is investigated; results extend findings regarding benefits of writing about personally significant topics (Pennebaker & Beall, 1986; King, 2001; Niederhoffer & Pennebaker, ...
The effect of violent video game exposure on emotion modulation of startle and aggression
(2014 Fall)
Video games are quickly becoming the most widely accessible, and used, form of
entertainment, with those that contain violence have consistently been the most popular.
Building on previous research examining other forms ...
Over the hill and through the woods: geography, extracurricular participation, and student achievement
(University of Missouri--Columbia, 2022)
in the state of Missouri. Surveys were sent to rural school superintendents to obtain data not available through state department of education statistics. Fifty-five superintendents completed the survey. Their survey data were paired with state achievement...