Digital Commons Network^™

Assessing Well-Being Of Asian Elephants (Elephas Maximus) Through Major Events And Transitions, With Development And Aging, And Husbandry Changes, Sharon Stuart Glaeser

Dissertations and Theses

In this body of research, reproductive and adrenal hormones and behavior were used to evaluate individual and group responses to physiological, social, and environmental changes in zoo-housed Asian elephants, considering factors of sex, age, and life stage. Animals experience physiological, social, and environmental changes as part of their natural history and individual life experience. Measures of both positive and negative states are needed to assess the impact of these changes at the individual and group level. Such measures can help us better understand how animals cope with a changing environment, and can help inform management decisions. Through longitudinal analyses of …

Reconstructability Analysis And Its Occam Implementation, Martin Zwick

Complex Systems Faculty Publications and Presentations

This talk will describe Reconstructability Analysis (RA), a probabilistic graphical modeling methodology deriving from the 1960s work of Ross Ashby and developed in the systems community in the 1980s and afterwards. RA, based on information theory and graph theory, resembles and partially overlaps Bayesian networks (BN) and log-linear techniques, but also has some unique capabilities. (A paper explaining the relationship between RA and BN will be given in this special session.) RA is designed for exploratory modeling although it can also be used for confirmatory hypothesis testing. In RA modeling, one either predicts some DV from a set of IVs …

Synthesizing Expressive Behaviors For Humanoid Robots, Mathias Irwan Sunardi

Dissertations and Theses

Humanoid robots are expected to be able to communicate with expressive gestures at the same level of proficiency as humans. However, creating expressive gestures for humanoid robots is difficult and time consuming due to the high number of degrees of freedom (DOF) and the iterations needed to get the desired expressiveness.

Current robot motion editing software has varying levels of sophistication of motion editing tools ranging from basic ones that are text-only, to ones that provide graphical user interfaces (GUIs) which incorporate advanced features, such as curve editors and inverse kinematics. These tools enable users to create simple motions; but …

The Experience Of Female Caregivers In The Kingdom Of Saudi Arabia, Nouf Albugami

Dissertations and Theses

In the Kingdom of Saudi Arabia ("KSA"), a minimal amount of research concerning the availability and level of social support specifically targeting the female caregiver has been conducted. Moreover, the extent to which social support has helped alleviate both the physical and psychological stress of caregiving has been studied very little, if at all. In light of this limited amount of research, the goals of this study are to investigate the following two questions: (1) What is the experience of female caregivers with chronically ill children in KSA, and (2) What is the nature and availability of social support among …

Mixed Plate: Exploring Multiracial Student Identities Within Higher Education, Haley K. M. Okamoto

PSU McNair Scholars Online Journal

Race has primarily been studied from a monoracial perspective, which prohibits multiracial individuals from expressing themselves because their racial identity does not fit into the neatly, pre-established monoracial categories. Previous research has found that multiracial students experience life in ways that are unique compared to their monoracial peers. Multiracial students are often required to conform to socially constructed monoracial boxes and have negative experiences surrounding racial identity development, racism/microaggressions, and lack of demographic categorization. The multiracial population in America is steadily growing, and if current trends persist, will only continue to do so. As a result, an increased number of …

Short- And Long-Term Impacts Of A Deliberative Pedagogy In Introductory Biology And Chemistry Courses, Liz Rain-Griffith

Dissertations and Theses

There have been multiple national calls for curricular reform in college-level science, technology, engineering, and mathematics (STEM), including a need to instill democratic skills in students. Democratic skill building can be embedded in STEM classrooms through intentional "deliberative pedagogies" which include skills in: communication, collaboration, and application. We developed and implemented a deliberative pedagogy, Deliberative Democracy (DD), across introductory majors and non-majors biology courses and a majors chemistry course. In two separate studies, I took a longitudinal, qualitative research approach to understand introductory biology and chemistry students' experiences and perceptions of DD. For the first study, I tracked a cohort …

Determinants Of Student Information Technology Adoption, Hans P. Vanderschaaf

Dissertations and Theses

Innovating service delivery in higher education is central to supporting institutional and societal goals of increasing the numbers of college graduates and for transforming higher education institutions to center on the needs of today's students. Within this context, technology plays a critical role. This research seeks to contribute to institutional, academic and educational technology sector efforts to dramatically enhance service quality, in support of improving undergraduate student outcomes (student success), by identifying the determinants of student information technology adoption and removing barriers to accessing higher education.

Using a mixed-methods and empirical approach based on the Unified Theory of Acceptance and …

Guided Reinvention As A Context For Investigating Students' Thinking About Mathematical Language And For Supporting Students In Gaining Fluency, Kristen Vroom

Dissertations and Theses

Fluency with mathematical language is important for students' engagement in many disciplinary practices such as defining, conjecturing, and proving; yet, there is growing evidence that mathematical language is challenging for undergraduate students. This dissertation study draws on two design experiments with pairs of students who were supported to encode their mathematical meanings with more formal language. I aimed to investigate the teaching and learning of mathematical language, and particularly the language in statements with multiple quantifiers, by engaging students in this type of activity. In the first paper, I investigated the complex ways in which the students in my study …

Mechanics Of Canopy Turbulence, Hawwa Falih Kadum

Dissertations and Theses

Large canopies interact with the atmospheric boundary layer (ABL) and alter transport of matter, energy, and momentum in accordance to their morphology. Canopy structure influence on turbulent processes can be utilized to achieve favorable interactions. Wind farm and forest canopies spatial arrangement is investigated in this work. Momentum fluxes investigated in a horizontal axis wind turbine (HAWT) array showed the existence of gusts of wind transported both from ABL above the canopy and the unperturbed flow below the canopy through sweep and ejection events. A new wind farm arrangement in which clusters of vertical axis wind turbines (VAWT) are collocated …

Building On What We've Learned: Approaches To Library Publishing From Three Different Universities, Johanna Meetz, Karen Bjork, Annie Johnson

Library Faculty and Staff Publications and Presentations

Panelists from Portland State, Pacific University, and Temple University will discuss three different models for library publishing, with a focus on collaboration, sustainability, and accessibility. Panelists come from small programs with one or two people at the helm, as well as a program that includes people with diverse publishing backgrounds. We will discuss how our programs grew out of different priorities within our libraries, including a desire to address the high cost of textbooks for our students, as well as an interest in advancing open access more generally. Other things that shaped our programs include a repository platform that supported …

Correctional Quackery: A Study Of Program Availability And Inmate Assaults In Adult Correctional Facilities, Casey Jay Legere

Dissertations and Theses

A wide variety of correctional programs have incited a debate regarding the utility and worth of programs within the correctional system. For some, programs are assigned strict qualifications and this narrow focus limits those that are "worthy"; all else are "correctional quackery." These harsh limitations do not allow for the consideration of secondary outcomes as measurements of value. Using negative binomial regression, this study examines 449 state correctional facilities to consider associations between program availability (categorized as correctional quackery or not) and incidence rates of violent assaults among inmates. The minimal significant results yield inconclusive findings but do offer some …

So Many Choices: An Experimental Study Of Digital Television Choice, Customization, And Satisfaction, Johanna Lee Hoener

Dissertations and Theses

Internet streaming television is increasingly available in society and is changing the way television is viewed by creating more and more choices for consumers. We no longer watch the same three channels on television, now the consumer controls when, where, and what to watch. Producers of this digital media landscape provide customization mechanisms that consumers also engage in, creating tailored presentations of content.

This study seeks to understand what the large landscape of choice does to our satisfaction in viewing choice and what part customization plays in that satisfaction through an experimental-survey design. Drawing from choice literature which points in …

Working From Home: Analyzing The Autonomy Of App-Based Adult Content Creators, Jenna Depasquale

Dissertations and Theses

Accessibility to social media applications ("apps") has paved the way for a new addition under the umbrella of sex work: adult content creation. By selling self-produced photos and videos through mainstream social media apps, creators experience a specific set of conditions unlike the forms of sex work that have proceeded it. Through 13 semi-structured interviews, the following question is investigated: What aspects of app-based sex work heighten or threaten workers' senses of autonomy? Autonomy is defined as being able to exert control over one's work and the ability to work without external interruption. It is found that while the demand …

Juveniles In The Interrogation Room: Defense Attorneys As A Protective Factor, Caitlin Noelle August

Dissertations and Theses

Juveniles have a lower comprehension of their Miranda rights than adults, and in turn, are more likely to waive those rights and cooperate during an interrogation. Some states require youths to consult with their parents before/during the interrogation; however, this involvement can be detrimental to the juvenile suspect. Recently, laws in California and Illinois have mandated that juveniles consult with a defense attorney prior to the interrogation, or that the attorney is present during the interrogation.

Through semi-structured interviews with 19 juvenile defense attorneys across the state of Oregon, I explored defense attorneys' perspectives on juveniles' legal decision-making in the …

Understanding Institutional, Social, And Ecological Systems Influencing Climate Change Adaptation And Water Governance In Wine Regions: A Comparative Case Study Of Oregon's Willamette Valley, Usa And Tasmania, Australia, Erin Upton

Dissertations and Theses

My research examines how water management decisions create opportunities or barriers to climate change adaptation in wine regions. Water is a critical resource for economic and environmental sustainability in wine grape growing regions. Climate uncertainty presents considerable risk and vulnerability to freshwater resources in wine producing regions where needs for access to water will increase with more frequent climate extremes. Climate adaptation in the wine industry is a complex problem that requires multi-disciplinary approaches. This research aims to strengthen the interface between water governance and technological and viticulture adaptation approaches. Water resources are shared across regions by stakeholders with varied …

Exploring The Factors Influencing Big Data Technology Acceptance, Mohammad Nayemur Rahman

Dissertations and Theses

The success of new technology depends on user acceptance. Therefore, discovering the antecedents of technology use is pivotal to overcoming the lack of user acceptance in the field of technology adoption. Factors of critical technological capability, in particular, are overlooked and largely neglected in the literature. Accordingly, the body of literature on the field of technology adoption is inconclusive as to which technological capability factors influence technology acceptance.

Big Data has received great attention in academic literature and industry papers. Most of the experiments and studies focused on publishing results of big data technologies development, machine learning algorithms, and data …

Crime Risk Near Reported Homeless Encampments: A Spatial Analysis, Kortney Lynn Russell

Dissertations and Theses

Those experiencing homelessness face several challenges in contemporary society including a higher risk of victimization compared to the general population. In order to offer effective intervention to protect members of this population, understanding the spatial relationship between homeless camps and crime is imperative. To provide the foundation for a future risk assessment used to identify camps with a higher risk of nearby victimization, this study assessed crime concentration in relation to reported homeless camps in Portland, Oregon. Utilizing two publicly available data sources, this study conducted spatial analyses on voluntarily reported homeless camp data from October through December 2019 and …

Exploring Policies And Strategies For The Diffusion Of Remote Patient Monitoring (Rpm) For The Care Of Senior Population, Hamad Asri Alanazi

Dissertations and Theses

Telemedicine offers great promise in addressing some of the healthcare challenges such as the increase of healthcare expenditure, a growing population, and a projected physician shortage; telemedicine is increasingly being included in the discussion of medicine's future. Telemedicine offers the capabilities to deliver healthcare across distances at reduced costs while maintaining or even increasing the quality of treatment and services.

The objective of this research is to develop a model to evaluate alternative solutions to increase the adoption of RPM for the senior population. Also, the research provides a systematic approach for a comprehensive assessment of teleconsultation adoption, develop a …

Recurrent Formation, Low Levels Of Ecological Differentiation, And Secondary Dispersal Facilitate The Establishment And Persistence Of Autopolyploids In Eriophyllum Lanatum, Nicolas Alexander Diaz

Dissertations and Theses

The high rates of polyploidization events in angiosperms is a well-documented driver of diversification and speciation. The consequences of polyploidy--from gene expression up to ecology--and the processes facilitating the persistence of polyploidy in its early establishment in populations are poorly understood. In this thesis, I examined the role of recurrent formation, ecological differentiation, and secondary dispersal via biotic vectors in the maintenance and persistence of an intervarietal polyploid contact zone of Eriophyllum lanatum in Southern Oregon. Sampling 35 total populations, I used a whole chloroplast capture and flow cytometry to determine the diversity and distribution of chloroplast haplotypes and estimate …

Perceptions Of Police Use Of Force At The Intersection Of Race And Pregnancy, Emma Elizabeth Lee Money

Dissertations and Theses

Attention surrounding forceful policing largely focuses on men's experiences, but Black women, even when pregnant, are also harmed by police use of force. Previous research demonstrating anti-Black biases in perceptions of police use of force toward men cannot be directly applied towards women, due to unique stereotypes of Black women and mothers. How do race and pregnancy influence perceptions of police use of force against women? It was expected that pregnancy would elicit more positive responses in the current study, but only when pregnant women were also White. Benevolent sexism (BS) and social dominance orientation (SDO) were tested as moderators …

How To Build A Supercomputer: U.S. Research Infrastructure And The Documents That Mitigate The Uncertainties Of Big Science, Sarah Read

English Faculty Publications and Presentations

In this article, I argue that technical reporting and documentation processes function to mitigate uncertainty and enable complex systems in the endeavor of big science. The argument draws on two years of field research investigating technical reporting and documentation processes at a federally funded supercomputing center dedicated to scientific research. A central question the study sought to answer was, “How does one build a new supercomputer?” One of the answers that emerged is that supercomputers are built by the genre assemblages of documents that mitigate financial, political, and technological uncertainties, and their attendant risks, that are inherent to technoscientific cutting-edge …

A Market Diffusion Potential (Mdp) Assessment Model For Residential Energy Efficient (Ee) Technologies In The U.S., Momtaj Khanam

Dissertations and Theses

The Diffusion of Residential Energy Efficient (EE) Technologies has been studied for many years. Finding ways to bridge the energy efficiency gap and increase the diffusion of these technologies have been of much interest to researchers and practitioners alike. However, in most studies, diffusion is equated to adoption of EE technologies by consumers. The present study tries to break this mindset and develops a model to assess the diffusion of residential EE technologies from the market's perspective. The model assesses diffusion of an EE technology based on the market's ability to provide benefits to customers that are identified to be …

“Decolonize” E-Literature? On Weeding The E-Lit Garden, Kathi Inman Berens

English Faculty Publications and Presentations

Berens asks: Should the e-literature community include third-generation works in collections, syllabi, databases, prizes? A related question: do third-gen makers have a role in “decolonizing” e-literature? Who or what “colonizes” e-lit? E-literature, like earlier avant gardes, began as a coterie and has become a scholarly field. Using the comparison of a field versus a walled garden, the essay examines critiques of e-literature and variations on field definitions. It ends with two ideas about how to "decolonize" e-literature; about how equity and inclusion work in tandem with decolonization, but are not the same thing; and why decolonization efforts are urgent in …

Teachers’ Perspectives On Year Two Implementation Of A Kindergarten Readiness Assessment, Rachel E. Schachter, Erin E. Flynn, Amy R. Napoli, Shayne B. Piasta

School of Social Work Faculty Publications and Presentations

In this study we examined teachers’ perspectives regarding the second year of implementing a Kindergarten Readiness Assessment (KRA). Using a mixed-methods approach, we focused on the administration process, the perceived benefits of the assessment, and how teachers used the assessment to inform instruction. We also investigated whether these differed by teacher and district characteristics and how KRA experiences were different in the second year of implementation. Research Findings: Teachers generally did not view the KRA as beneficial for instruction or for students, reporting administration difficulties, inadequate KRA content, and limited utility of KRA data for supporting instruction as ongoing …

Psu Futures Collaboratory: Final Report And Recommendations To President Percy And Provost Susan Jeffords, Laura Burney Nissen

Futures Collaboratory

The report provides an overview of the Futures Collaboratory, its efforts to consider possible futures, ways to expand the dialogue on a broad scale to make a stronger and more agile community that engages in future-contributing, learning, and co-creating.

Using Spoken Dialogue Technology For L2 Speaking Practice: What Do Teachers Think?, Veronika Timpe-Laughlin, Tetyana Sydorenko, Phoebe Daurio

Applied Linguistics Faculty Publications and Presentations

Often, second/foreign (L2) language learners receive little opportunity to interact orally in the target language. Interactive, conversation-based spoken dialog systems (SDSs) that use automated speech recognition and natural language processing have the potential to address this need by engaging learners in meaningful, goal-oriented speaking practice. However, these technology-based learning tools are often developed without input from teaching professionals. As part of a larger development effort, this study examined English as a second language (ESL) teachers’ perceptions regarding SDS-based speaking tasks, addressing the following research questions: (a) What do teachers think about the SDS-based tasks? (b) How would they use them …

Sound Discrimination And Explicit Mapping Of Sounds To Meanings In Preschoolers With And Without Developmental Language Disorder, Carolyn Quam, Holly Cardinal, Celeste Gallegos, Todd Bodner

Speech and Hearing Sciences Faculty Publications and Presentations

Purpose: To investigate links between sound discrimination and explicit sound-meaning mapping by preschoolers with and without developmental language disorder (DLD).

Method: We tested 26 children with DLD and 26 age- and gender-matched peers with typical language development (TLD). Inclusion was determined via results of standardised assessments of language and cognitive skills and a hearing screening. Children completed two computerised tasks designed to assess pitch and duration discrimination and explicit mapping of pitch- and duration-contrasting sounds to objects.

Result: Children with TLD more successfully mapped pitch categories to meanings than children with DLD. Children with TLD also showed significantly better overall …

The Meaning Of Red And Green In User Interfaces For The Color Deficient, Bassel Hamieh

University Honors Theses

Around 108 million web users are color blind which is a problem when the way we communicate over the web or interfaces is through the use of color. Red and green are two colors that are especially heavily used in interface design because of their strong symbolic associations; red being a sign to warn or stop and green being the opposite. This has a large effect on red-green color blind people who are not able to perceive either of those colors correctly. Many solutions exist that aim to help through color differentiation but none take into account color symbolism. With …

Automatic Keyphrase Extraction From Russian-Language Scholarly Papers In Computational Linguistics, Yves Wienecke

University Honors Theses

The automatic extraction of keyphrases from scholarly papers is a necessary step for many Natural Language Processing (NLP) tasks, including text retrieval, machine translation, and text summarization. However, due to the different grammatical and semantic intricacies of languages, this is a highly language-dependent task. Many free and open source implementations of state-of-the-art keyphrase extraction techniques exist, but they are not adapted for processing Russian text. Furthermore, the multi-linguistic character of scholarly papers in the field of Russian computational linguistics and NLP introduces additional complexity to keyphrase extraction. This paper describes a free and open source program as a proof of …

Social Media In Business-To-Business Marketing And Sales: Review Of Literature & Research Recommendations, Daniel Bello Manjarrez

University Honors Theses

Social media usage in business to business marketing and sales has been steadily rising since its advent in the late 2000s. Similarly, research surrounding social media in this context has increased, with specific focus on its usage, influence, and adoption from B2B marketers and salespeople. This focus has resulted in gaps in the literature, especially when regarding small and medium B2B enterprises. This review of literature provides a systemic understanding of the research landscape by identifying the theory, methods, context, and results of twenty-one peer-reviewed business marketing articles concerning social media. This review also proposes five key recommendations to inform …