Digital Commons Network^™

Effectiveness Of The Social Behavior Mapping Intervention On The Social Communication Skills Of Adolescents With Autism Spectrum Disorder, Jessica Ann Donaldson

Special Education ETDs

The purpose of this study was to evaluate the effectiveness of Social Thinking® Social Behavior Mapping (SBM) on adolescents with autism spectrum disorder. A pretest-posttest control group design with matched sampling was used. There were 22 participants between the ages of 13 and 17 who were matched by age and IQ and then were randomly assigned to either an intervention group or to a treatment-as-usual group. Results revealed that participants made significant improvements on the SBM rating scale scores and participant-reported scores on the Social Skills subscale of the Social Skills Improvement System (SSIS; Elliott & Gresham, 2008) Rating Scales. …

An Investigation Of Emerging Technologies To Advance The Understanding Of Dynamics Between The Floodplain And Main Channel Due To Riparian Vegetation, Smriti Chaulagain

Civil Engineering ETDs

Riparian vegetation covers only about 0.4% of the land surface whereas rivers and streams cover about 0.3 to 0.56% but riparian vegetation still provides substantial ecosystem services including many that affect hydrodynamic processes. The ability to estimate the flow resistance caused by vegetation and the consequences for hydrodynamic processes has long been a vexing problem for engineers. Flow resistance is strongly influenced by local hydraulic conditions (water velocity and depth) and vegetation structures, and in turn, vegetation affects mass and momentum exchange processes. However, riparian vegetation conditions change continuously due to external stressors including climate change (e.g., extended drought in …

Joining Of Candidate Materials For Lead-Cooled Fast Reactors, Brandon M. Bohanon

Nuclear Engineering ETDs

The lead-cooled fast reactor (LFR) is a fourth-generation reactor design characterized by high temperatures, neutron dosage, and highly corrosive and erosive environment due to high flow velocities. Therefore, materials testing must be performed to find structural and system components that withstand this harsh environment. These candidate alloys must have high-temperature creep strength, resistance to damage from fast-spectrum neutrons, and must grow protective oxide layers. FeCrAl alloys have been identified as possessing all these qualities, however, there are limitations due to erosion and the joining of these materials. In this work, mechanical and microstructural properties of base and conventionally joined FeCrAl-based …

Nuevomexicana/O Identity Affirmations Through Chicana And Chicano Muralism, Howard E. Griego

Chicana and Chicano Studies ETDs

This research spotlights Nuevomexicana/o identity as expressed in murals produced by New Mexican artists during the Chicana and Chicano Mural Movement of the 1970s. Extant research focuses on Chicana/o murals in other regions mainly in California and Texas, and New Mexico has been understudied in the literature. This study analyzes murals and interviews with New Mexico artists to explore how these artists portrayed their identity and conveyed their social and political expression through their thematic content. A dialectical analysis was conducted using a mixed method approach. A statistical analysis determined the frequency and distribution of distinct themes. The findings showed …

The Corona-To-Spark Transition And Its Dependence On Electric Field Non-Uniformity, David O. Smith

Electrical and Computer Engineering ETDs

The corona to spark transition is an important part of understanding gaseous breakdown in non-uniform fields. The degree of uniformity in the geometry determines both the onset of corona as well as the eventual spark transition. In a highly non-uniform geometry, the onset of corona precedes the development of a spark. However, in weakly non-uniform fields, corona is unable to form before it transitions into a spark. The degree of non-uniformity at which this transition occurs is known as the corona point.

An experimental setup using the point electrodes allows precise changes in field uniformity, characterizing the corona point in …

A Study On Electromagnetic Topology Optimization Using Binary Particle Swarm Algorithm, Mohammad Sazzad Hossain

Electrical and Computer Engineering ETDs

Topology optimization is a state-of-the-art tool for detecting the best material layout in a physical space to obtain certain goals. Initially developed as a structural engineering tool, it has been recently used in electromagnetics and has shown immense potential. The aim of this work is to build a framework for applying the topology optimization method in electromagnetics using a modified binary particle swarm optimization (BPSO) algorithm. In this thesis, a very classic problem of coax to waveguide transition has been considered, and a novel solution has been given using topology optimization. The steps to implementing topology optimization using BPSO have …

Thermodynamic And Kinetic Investigation Of U(Vi) And As(V) Reactions: Insights For Risk Assessment And Remediation, Maria Isabel Meza

Civil Engineering ETDs

The goal of this dissertation was to investigate the mechanisms of immobilization of uranium (U) and arsenic (As) in waters nearby to Native American Communities for remediation applications. This work sought to identify the physical or chemical processes affecting the complexation, sorption, and precipitation of U and As with calcium (Ca), carbonates (CO3)2-, and phosphate (PO4)3-. The current knowledge about the mechanisms affecting the reaction of metal mixtures such as U, As, and other co-occurring elements in natural waters with minerals such as limestone1-5 and hydroxyapatite for remediation applications is limited. A better understanding of thermodynamics and kinetics affecting the …

Un-Earthing Popular Climate Narratives: Maintenance And Prophecy In Settler World, Hannah Oxford

Communication ETDs

Climate change is fundamentally rooted in facts such as rising global temperatures, carbon emissions, losses in biodiversity, etc. However new information about our changing world is translated and incorporated within the narratives we live by and give form to our personal and collective worlds. While climate change is scientific, our mitigation efforts are entirely storied. This thesis looks at popular climate narratives that frames climate change as an issue of Earthly mechanics fixable through innovative technology. The goal of this thesis is to understand the ways in which settler colonialism, as a communicable mechanism of cultural production, organizes this particular …

Reimagining Rhetorical Ability: (Dis)Embodiments Of Disabled Speakers In The Stuttertalk Podcast And The 2020 Democratic National Convention, Katherine Mulle

Communication ETDs

While communication scholars have dedicated much research towards defining and furthering effective communication, explorations of speech disability, especially from a critical lens, are largely absent in these pursuits. I conducted a critical rhetorical analysis of the (dis)embodiments of disabled speakers through examining segments from the 2020 Democratic National Convention (DNC) program that cover Joe Biden’s story as a person who stutters, and episodes of StutterTalk, a podcast created by and featuring people who stutter. Moreover, I organize this thesis around two claims: (1) As a person who stutters with certain privilege and power, Joe Biden’s DNC story further secured …

Human-Centered Avalanche Susceptibility Mapping, Lindsey L. Rotche

Geography ETDs

With backcountry winter travel increasing in popularity, the importance of accessible avalanche safety information is crucial. Widely accessible avalanche backcountry maps use slope shading to show where avalanches are likely to start. Instead of focusing on the hazard of an avalanche starting in a specific location, this project shifted the cartographic emphasis of avalanche susceptibility maps to show risk to a human traveling in the terrain. I developed a methodology to incorporate possible avalanche runouts, terrain traps, and connected slopes while reducing false certainty of the visualization. To provide a more comprehensive representation of susceptible terrain, I integrated aspect, distance …

Effect Of Phylogeny Misestimation On Estimating Trait Evolution Parameters, Tabytha Ariel Perez

Mathematics & Statistics ETDs

Biologists are interested in estimating trait evolution models from phylogenies. However, phylogenies are imperfectly estimated, generally from DNA sequence data. In this study, true phylogenies are simulated to understand whether errors in phylogeny estimation affect inference of the trait evolution model. Given the tree, DNA sequences as well as traits are then simulated from the true phylogeny; both are simulated independently from the other. After the simulation, the DNA sequences were used to estimate trees using the UPGMA method without utilizing the trait information. The estimated trees combined with the traits are used to infer the evolutionary trait models, specifically …

Relationships Between Self-Efficacy, Participation In Prison Programs, And Perceived Ability To Live Crime Free Upon Release From Prison, Beret Ravenscroft

Nursing ETDs

This study examined the relationships between self-efficacy, participation in prison programs, and perceived ability to live crime free among male prisoners in state-operated New Mexico prisons. Among the 589 study participants, those who reported having received assistance in changing criminal attitudes agreed they would be able to live crime free at a rate 8% higher than those who did not (p = .029). Those who agreed that they are able to accomplish any task (p = .001) or who disagreed with feeling helpless to deal with problems (p = .001) also scored significantly higher in perceived ability …

Implications For Cross-Training Between Applied Behavior Analysis And Speech-Language Pathology, Katherine Lynn Isaacson

Speech and Hearing Sciences Publications

This paper is to provide clarity about the overlaps between the fields of Applied Behavior Analysis (ABA) and speech-language pathology, including evaluation, assessment, intervention planning, and treatment of language development, nine articles were selected for a review of terms and definitions, philosophical and theoretical underpinnings, and licensure/certification requirements pertaining to both scopes of practice. Behavior analysts and speech-language pathologists (SLPs) are likely to provide intervention alongside one another due to their frequent provision of intervention with individuals diagnosed with autism spectrum disorder (ASD). Despite broad, initial overlaps between the professions, the required educational coursework, supervised fieldwork and clinical practicums, and …

The Effects Of A Power Iteration-Based K-Eigenvalue Solver For Various Subcritical Parameters And Calculations, Daniel H. Timmons

Nuclear Engineering ETDs

The need to simulate subcritical benchmark parameters quickly and accurately is becoming increasing important. When using Monte Carlo methods this is traditionally done using a fixed-source calculation where a particle and its progeny are tracked until their removal from the system. This method can be slow for near critical systems. The use of a k-eigenvalue solver could reduce the computational footprint and reduce the need to post process data.

This is done for four parameters from the ICSBEP benchmark values: R_1 , R_2 , M_L, and M_eff. These parameters are calculated in two new distinct ways. First, is directly …

Permeability And Porosity Of Loose Granular Salt, Evan J. Babcock

Civil Engineering ETDs

In this study, permeability and porosity measurements are made and reported for loose granular salt from the Waste Isolation Pilot Plant (WIPP). Measurements are made on a particularly wide range of particle sizes of this salt in a permeameter constructed large enough to fit and represent mixtures containing salt particles up to 25.4 cm in size. Salt samples with different particle size distributions are constructed and tested at varying levels of consolidation due to induced vibrations. Permeability measurements are made at a varying range of porosities for a given sample. Measurements are also compared with a predictive model for permeability …

"Sometimes You Just Want To Be Another Parent And Another Kid At The Party": Exploring Parental Narratives Surrounding Disclosure Of Child's Epilepsy, Lisa German

Communication ETDs

Epilepsy is currently the fourth most common neurological disorder in the world (Epilepsy Foundation, 2022). However, it is largely misunderstood by both the public and those with epilepsy. In addition, epilepsy is still a stigmatized condition in most areas of the world.

In part due to the stigma, as well as the impact on quality of life factors, disclosure of an epilepsy diagnosis can be a struggle for those with epilepsy as well as their parents or caregivers. Therefore, this study explored disclosure challenges faced by parents of children with epilepsy, utilizing Communication Privacy Management theory and Stigma Management Communication …

Single-Crystal Elasticity Of Clinopyroxenes And The Viscosity Of Kimberlite Magma Under High Pressure-Temperature Conditions, Ming Hao

Earth and Planetary Sciences ETDs

Clinopyroxene is not only an important mineral phase in the pyrolitic upper mantle, but also one of the dominated mineral phases in the subducted or delaminated eclogitic materials in the deep Earth. Identifying and locating these eclogitic materials requires the knowledge of the thermoelastic properties of clinopyroxene under high pressure-temperature conditions. In this dissertation, we have measured the single-crystal elastic properties of jadeite and omphacite, which are major clinopyroxene phases in the eclogitic materials, up to 18 GPa 700 K by Brillouin spectroscopy and utilized these data to identify the eclogitic heterogeneities in the mantle.

We also measured the viscosity …

Halogen And Non-Traditional Isotope Geochemistry Of Planetary And Terrestrial Materials, Anthony Gargano, Zachary Sharp, Justin Simon, Charles Shearer, Adrian Brearley, James Day

Earth and Planetary Sciences ETDs

This dissertation presents the advances in non-traditional isotope geochemistry of planetary and terrestrial materials encompassing chlorine, sulfur, and zinc isotopes, as well as halogen geochemistry. A wide breadth of materials was studied throughout the completion of this work including iron meteorites, achondrites, chondrites, Apollo lunar samples, as well ancient marine chert, and carbonate sediments. Much of the focus involved the development of a method capable of simultaneously measuring the halogen contents and chlorine isotope compositions of geological materials. Here, I present these data sets to broadly characterize the process of devolatilization of planetary materials, and specifically the problem of ‘halogen-poisoning’ …

Beyond Seeing: Sight, Mind, And Power In Early-Medieval England, Kevin S. Jackson

English Language and Literature ETDs

Before the development of optical science, sight was largely understood to function extramissively, with rays emitted from the eyes effectuating sight as they came into contact with the physical world. In early-medieval England in particular, a very strong correlation between extramissive sight and an extracorporeal mind is evident, based in part on a potential source for this model that has yet to be identified in scholarship: De opificio Dei, by Lactantius. The connection between sight and the mind accounts for anxiety about the possibility of seeing God, manifest in some early-medieval English translators’ careful revision of biblical texts. Sight …

The Return On Investment For Dual Credit, Samantha Sengel

Teacher Education, Educational Leadership & Policy ETDs

Scrutiny of colleges and universities based upon student success factors such as retention, persistence, time to degree and graduation has indicated that interventions often have incremental impact. Access to dual credit, the taking of college courses while in high school, as an intervention for maintaining the engagement of high achieving students and re-connecting disengaged, underserved student populations has had proven positive outcomes for many decades. The purpose of this research study was to understand the relationship between dual credit and several higher education measures and outcomes including retention and persistence, likelihood of receiving an award, and ultimately the cost of …

Text Nudges: Proactive Communication By An Urban Community College, Ann L. Hall

Teacher Education, Educational Leadership & Policy ETDs

The landscape of higher education has shifted over the last ten years. Student needs have changed. Educational institutions have begun to change the way they conduct business to support student needs more fully including just-in-time communications that are focused and customized to the individual student. Higher education institutions are using text nudges to support student outcomes from enrollment to graduation. This study evaluated the impact of text nudges on retention at a large, urban community college in the southwest region of the United States. The study found a small, negative relationship between the number of text nudges received and fall …

Relating Plant Community Structure To Carbon Dynamics In Semiarid Grasslands, Theodore D. Roper

Biology ETDs

Understanding how fine-scale changes in soil characteristics and plant community composition affect ecosystem functioning is key to predicting how biome shifts will affect regional and global carbon cycling. This is crucial in the dryland biomes of the US Southwest, projected to be one of the regions most affected by climate change. We examined fine-scale drivers of ecosystem function within two biomes – a Chihuahuan Desert grassland and Plains/Chihuahuan Desert ecotone – via long-term vegetation data, micrometeorological data, eddy covariance carbon flux measurements, and soil water and texture, finding that the ecotone site had over 30% higher soil water content, over …

Coloniality And Paradoxes Of Migrancy: Experiences Of Nicaraguan Migrants In Costa Rica, Darcey Rydl

Communication ETDs

Vernacular (personal) discourses surrounding Nicaraguan immigration to Costa Rica were investigated through the lens of coloniality – a theoretical and conceptual process of understanding how the Eurocentered matrix of power and knowledge produces the subjectivity of peoples through exploitation (Mignolo & Walsh, 2019). Compared to national discourses, this study asked how vernacular discourses may challenge colonial social structures of power as well as support those same structures of power. To elicit these discourses, oral histories were conducted with nine Nicaraguans who have fled their country because of political violence. Oral histories allow for a complete account of the past by …

The Museum Professionals’ Experiences Survey: Assessing Motivational Processes In Museums Through The Context Of The Organizing Framework, Devin E. Geraci

Museum Studies Theses

Through the development and evaluation of the Museum Professionals’ Experiences Survey, this research blends Museum Studies and Organizational Behavior to understand managers’ perceptions regarding employee motivation, key drivers of motivation, trends in professional experiences’, and the different experiences of management and non-management personnel in the context of museum workplaces. With responses from 276 museum professionals in the United States, the application of this knowledge can be used to develop a workplace climate that encourages job satisfaction, high performance, and organizational commitment, and thus more positive outcomes for the museum. Recent controversies and public testimonies are evidence of negative professional experiences …

Heat Stress And The Control Of Skeletal Muscle Mass, Zachary J. Fennel

Health, Exercise, and Sports Sciences ETDs

PURPOSE: 1) Compare the effects of whole-body heat stress (HS) and resistance exercise (RE) on thermoregulatory responses and skeletal muscle heat shock and hypertrophy related signaling. 2) Examine the effects of acute heat stress (HEAT) on myotube growth and fusion compared to controls (CON), hypertrophy (HYPER), and atrophy (RAPA) treatments in-vitro. METHODS: 1) Eight healthy, physically active and resistance trained individuals (18-45 years) completed RE and HS. 2) 48 hours following treatments, C2C12 myotubes were assessed for myotube area and nuclear fusion index. RESULTS: 1) RE and HS similarly increased muscle but not core temperatures. HS but not RE increased …

An Assessment Of Pregnant Women's Value And Utilization Of Oral Health Care During Pregnancy, Angelica M. Sanchez

Dental Hygiene ETDs

The intention of this survey was to examine the value and utilization of dental services during pregnancy, to identify the value being placed on oral health and dental services during pregnancy. Also, to assess if the women received oral health education from obstetric providers. Pregnancy temporarily increases the risk of periodontal diseases, the prevalence of periodontal diseases is very high during pregnancy, 60-75% of women can be affected. Previous literature suggests that poor oral health is linked to adverse pregnancy outcomes such as pre-term births, low birth weights, and pre-eclampsia. Data was obtained and collected using REDCap. Utilizing the collected …

“Finding The Positive” In Recovery: Psychometric Properties Of A Measure Of Human Flourishing In An Alcohol Use Disorder Recovery Sample, Hannah A. Carlon

Psychology ETDs

The fields of alcohol use disorder (AUD) recovery and positive psychology have both rapidly grown in recent years, are paralleled in their philosophy and goals, but have scarcely overlapped. An important first step to applying positive psychology to addiction treatment and recovery is quantifying the extent that treatment-as-usual encourages human flourishing (i.e., holistic well-being and adequate functioning). The PERMA Profiler is a measure based on the PERMA model of flourishing, captured across five positive psychology domains (i.e., Positive Emotions, Engagement, Relationships, Meaning, and Accomplishments), and has been validated in a wide variety of samples. The …

The Development Of Discourse Markers In Narrations Written By Spanish Heritage Language Learners: A Case For Explicit And Implicit Instruction, Mark Cisneros

Spanish and Portuguese ETDs

This Dissertation attempted to determine the types and number of discourse markers (DMs) used in narrations written by Spanish Heritage Language (SHL) learners and if they benefitted from the following pedagogical intervention (i.e., Explicit Instruction + Input Flood + Textual Enhancement) regarding the use of DMs. It also calculated the syntactic complexity, morphosyntactic accuracy, and fluency of their narrations. For this study, 39 SHL learners served as participants: 19 in an Experimental group and 20 in a Control group. All participants wrote two narrations of two short, silent films: a pre-test narration and an immediate post-test narration. Before completing the …

Reactions In The Microannulus Of A Wellbore System With Produced Water From The Permian Basin, Ernesto J. Perea

Civil Engineering ETDs

The objective of this study is to determine the effect of the products from steel corrosion and cement dissolution after reaction with produced water (PW) on the permeability of a wellbore microannulus. The wellbore microannulus is the interface between wellbore cement and steel casing and is often identified as a leakage pathway in wellbore systems. The need to better understand the impact of PW on well integrity aids in the assessment of environmental impacts of energy production. Static batch reactors were used to expose a cement – steel microannulus to two PW solutions, a simulated PW, and a field sampled …

Longitudinal Study Of The Relations Between Corporal Punishment And Children's Aggression: The Mediating Role Of Self-Regulation, Jeremy T. Armijo, Cara Streit, Ryan J. Kelly, Ashley Martin-Cuellar

Individual, Family, and Community Education ETDs

The current study looked to expand on established literature on the detrimental outcomes of corporal punishment by examining the long-term longitudinal associations between corporal punishment and children’s aggression in gender and racially diverse, low-income samples. Data were collected from 17 sites across the United States, with urban and rural locations included from an Early Head Start Research and Evaluation Project (EHSREP). Lastly, the study aimed to look at self-regulation as a mediator to help explain the relationship between corporal punishment and aggression. The results show an overall positive association between corporal punishment and aggression. This means higher levels of harsh …