Digital Commons Network^™

South America Holds The Greatest Diversity Of Native Daisies (Asteraceae) In The World: An Updated Catalogue Supporting Continental-Scale Conservation, Andrés Moreira-Muñoz, Marcelo Monge, Mariana A. Grossi, Fabio Andrés Ávila, Vanezza Morales-Fierro, Gustavo Heiden, Berni Britto, Stephan Beck, Jimi N. Nakajima, Vanina G. Salgado, Juan Facundo Rodríguez-Cravero, Diego G. Gutiérrez

Publications and Research

Asteraceae is the world’s richest plant family and is found on all continents, in environments ranging from the coast to the highest mountains. The family shows all growth forms and, as in other angiosperm families, species richness is concentrated in tropical regions. South America has the highest diversity of Asteraceae in the world, yet taxonomic and distributional knowledge gaps remain. This study compiles an updated catalog of Asteraceae native to South America, based on national and regional checklists and ongoing large-scale flora projects. The resulting checklist includes a total of 6,940 species and 564 genera native to South America to …

Time-Efficient Filtering Of Imaging Polarimetric Data By Checking Physical Realizability Of Experimental Mueller Matrices, Tatiana Novikova, Alexey Ovchinnikov, Gleb Pogudin, Jessica C. Ramella-Roman

Publications and Research

Motivation: Imaging Mueller polarimetry has already proved its potential for biomedicine, remote sensing, and metrology. The real-time applications of this modality require both video rate image acquisition and fast data post-processing algorithms. First, one must check the physical realizability of the experimental Mueller matrices in order to filter out non-physical data, i.e. to test the positive semi-definiteness of the 4 × 4 Hermitian coherency matrix calculated from the elements of corresponding Mueller matrix pixel-wise. For this purpose, we compared the execution time for the calculations of (i) eigenvalues, (ii) Cholesky decomposition, (iii) Sylvester’s criterion, and (iv) coefficients of the characteristic …

Social Atomism And Its Problems – Metaphysical And Political, Graham Priest

Publications and Research

Social atomism is a view that informs much contemporary social thinking. Drawing on arguments from Marxism and Buddhism, I will argue that it is false, and explore the consequences of this for a number of issues, notably those related to the ideology of capitalism.

Engaging Sexual Minority Adolescents In Nationwide At-Home Hiv Prevention Research In The U.S, Ali J. Talan, Carly Wolfer, Nicola Tavella, Cynthia Cabral, Ricardo Despradel, H. Jonathon Rendina

Publications and Research

Objectives: This study examined research-related privacy and confidentiality concerns among adolescent sexual minority males (ASMM) and provides lessons learned to inform recruitment and enrollment strategies for this population.

Methods: Participants were a 2017-2018 internet-based U.S. national sample of sexual minority adolescents who responded to self-report measures of privacy and confidentiality concerns. Results: Bivariate chi-square tests were used to identify participants’ mean differences in worry and likelihood of privacy breach occurrences. Many participants reported privacy-related concerns within remote HIV prevention research.

Conclusions: Study protocols were designed to ensure participants felt safe participating in online HIV prevention research. However, there are challenges …

A Definition Of A Heywood Case In Item Response Theory Based On Fisher Information, Jay Verkuilen, Peter J. Johnson

Publications and Research

Heywood cases and other improper solutions occur frequently in latent variable models, e.g., factor analysis, item response theory, latent class analysis, multilevel models, or structural equation models, all of which are models with response variables taken from an exponential family. They have important consequences for scoring with the latent variable model and are indicative of issues in a model, such as poor identification or model misspecification. In the context of the 2PL and 3PL models in IRT, they are more frequently known as Guttman items and are identified by having a discrimination parameter that is deemed excessively large. Other IRT …

It’S About Time, Part Ii: Does Time Poverty Contribute To Inequitable College Outcomes By Gender And Race/Ethnicity?, Claire Wladis, Alyse C. Hachey, Katherine M. Conway

Publications and Research

Existing research demonstrates gender- and race/ethnicity-based inequities in college outcomes. Separately, recent research suggests a relationship between time poverty and college outcomes for student parents and online students. However, to date, no studies have empirically explored whether differential access to time as a resource for college may explain differential outcomes by gender or race/ethnicity. To address this, this study explored the relationship between time poverty, gender or race/ethnicity, and college outcomes at a large urban public university with two and four year campuses. Time poverty explained a significant proportion of differential outcomes (retention and credit accumulation) by gender and race/ethnicity. …

A Tai Chi And Qigong Mind-Body Program For Low Back Pain: A Virtually Delivered Randomized Control Trial, Yang Yang, Sydne Mccluskey, Mohamad Bydon, Jaspal Ricky Singh, Robert D. Sheeler, Karim Rizwan Nathani, Ana C. Krieger, Neel D. Mehta, Joshua Weaver, Libin Jia, Sharo Decelle, Robert C. Schlagal, Jay Ayar, Sahar Abduljawad, Steven D. Stovitz, Ravindra Ganesh, Jay Verkuilen, Kenneth A. Knapp, Lin Yang, Roger Härtl

Publications and Research

Background: Mind-body treatments have the potential to manage pain, yet their effectiveness when delivered online for the treatment of low back pain (LBP) is unknown. We sought to evaluate whether a virtually delivered mind-body program integrating tai chi, qigong, and meditation (VDTQM) is effective for treating LBP.

Methods: This randomized controlled trial compared VDTQM (n=175) to waitlist control (n=175). Eligible participants were at least 18 years old, had LBP for at least 6 weeks, were not pregnant, had not previously taken tai chi classes, and had not undergone spine surgery within 6 months. The treatment group received a 12-week VDTQM …

Grid Culture, Eliot Bates, Arseni Troitski

Publications and Research

In this essay, we provide our initial ethnographic research about lines, which at a superficial level can be considered a platform, but which is also synonymous with a community of 8800 users, and with 606k unique posts authored by these users that in aggregate constitute a discourse network (Aufschreibesysteme, see Kittler 1990). lines—as platform, community, and discourse network—is primarily designed to support the development, documentation and user-generated code efforts specific to a set of hardware synthesis-related objects (the two we will focus on are called Norns and Grid; we’ll discuss what they are and what they do through the subsequent …

Assembling Hyperpop: Genre Formation On Wikipedia, Eliot Bates, Sophie Delphis, Romulo Moraes, Julia Santoli

Publications and Research

In this article, we analyze how a music genre is reciprocally defined online, through the crowdsourced ‘facts’ of Wikipedia. What are the traditional implicit and explicit exclusionary practices in this sort of genre formation? And how can internet-specific sociabilities create new exclusionary practices in the process of defining music? By analyzing the edit history of Wikipedia’s ‘hyperpop’ page, we locate ongoing debates, controversies, and contestations that point to shaping forces around online genre formation. These potentially have a huge impact on how hyperpop is understood both inside and outside of the music community. In locating the most active editors of …

Sociodemographic Correlates Of Low Health Literacy Skills Among Cancer Survivors: National Findings From Brfss 2016 And Implications For Precision Survivorship Care, Qi Chen, John Moore, Lailea Noel, Kirk Von Sternberg, Barbara Jones

Publications and Research

Purpose: This study aimed to explore associations of sociodemographic factors with difficulties in three health literacy (HL) skills and the severity of low HL skills.

Design: Cross-sectional secondary data analysis. Subjects: Data came from 17,834 adults who responded to the HL module with a response rate of 47% in the 2016 Behavioral Risk Factor Surveillance System.

Measures: Independent variables included sex, age, race/ethnicity, education, employment and income. Dependent variables are three HL skills: obtaining, understanding oral, and understanding written health information.

Analysis: We conducted weighted Chi-square tests and multinominal logistic regressions.

Results: Cancer survivors younger than 65 (aged 18-39: AOR=4.46, …

Trinity Transcript Assembly For The Titan Arum, Alveena Zulfiqar, Beenish J. Azhar, Samina N. Shakeel, William Thives Santos, Theresa D. Barry, Dana Ozimek, Kim Delong, Ruthie Angelovici, Kathleen M. Greenham, Craig A. Schenck, G. Eric Schaller

Dartmouth Scholarship

Transcriptome analysis of the titan arum was performed using floral and leaf tissues harvested from “Morphy” and “Morphy Junior,” two titan arums housed in the greenhouse of the Life Sciences Center at Dartmouth College. De novo transcript assembly for the reads obtained by RNA-seq was performed with Trinity-v2.6.6, using the default settings of >95% identity and a minimum assembled contig length of 200 nucleotides, resulting in the assembly of 915,085 transcripts that clustered as 536,644 genes.

See the following publication for details:

Zulfiqar, A., Azhar, B.J., Shakeel, S.N., Thives Santos, W., Barry, T.D., Ozimek, D., DeLong, K., Angelovici, R., Greenham, …

Sharing Stories Of Hope And Transformation In U.S. Higher Education: An Ereader By Portland State University Students, Óscar Fernández, David Peterson Del Mar

PDXOpen: Open Educational Resources

This eReader showcases stories of hope and transformation written by diverse students enrolled in University Studies courses at Portland State University. The goal is to motivate first-year and transfer students to see that, in higher education, they are not alone in their personal, familial, and academic struggles—and personal, familial, and educational achievements.

Raps Sheet, January 2024, Retirement Association Of Portland State

RAPS Sheet: Monthly Newsletter

No abstract provided.

American Indian Census Rolls: An Underutilized Source Of Historical Demographic Information On Tribal Populations, David Swanson, Jeff Tayman

Publications, Reports and Presentations

Historical information on tribal populations in the United States is incomplete. American Indians and Alaska Natives were not enumerated with the general population until the 1940 decennial census. However, Indian Census Rolls were produced for the period 1885 – 1940 under the auspices of the Bureau of Indian Affairs in the U.S. The information given in the Indian Census Rolls varies but usually includes the roll number, age, gender, tribal identity, and relationship to the head of the family. In this paper, we present background information on Indian Census Rolls and demonstrate how the digitized microfiche census roll schedules can …

Housing Choice, Transportation Equity, And Access To Opportunities In Refugee And Immigrant Communities, Diane Mitschke, Anne Nordberg, Stephen Mattingly, Katherine Kitchens

TREC Final Reports

Mobility directly impacts access to opportunities for all protected classes; however, transportation planning and public transit agencies and housing authorities rarely coordinate affordable housing and the transportation system planning decisions. This lack of coordination often leads to mismatches between access to opportunities and affordable housing. Safe access to employment, quality schools, and healthcare represent a few of the many factors that may influence housing choice. For most households with budget constraints, all of these factors may not be achievable. While existing research documents the mismatch between affordable housing and access to opportunities, the role that mobility plays in residential selection …

Fight, Flight, Freeze: How Access To Support Shapes Tenant Responses To Eviction In Multnomah County, Natalie J. Cholula, Lisa K. Bates, Alex Farrington, Marisa Zapata, Colleen Carroll, Jacen Greene, Hadley Bates

Urban Studies and Planning Faculty Publications and Presentations

Facing eviction is a traumatic event that forces tenants into a fight, flight or freeze response. Our focus groups with Multnomah County tenants reveal that their responses to eviction are directly shaped by their access to support. Many tenants are unable to access formal support and therefore respond to eviction by freezing up or fleeing their home. Conversely, tenants who can access formal support—including rental assistance or legal assistance—exhibit a fight response, leveraging external support to challenge or avoid their eviction.

Targeted, Harassed, And Displaced: The Role Of Discrimination In Oregon Evictions, Alex Farrington, Natalie J. Cholula, Lisa K. Bates

Urban Studies and Planning Faculty Publications and Presentations

Drawing on focus groups with 101 Oregon tenants who have experienced an eviction since the onset of the COVID-19 pandemic, this report examines the role that discrimination plays in Oregon evictions. As this is not a legal investigation, we do not focus solely on legally-actionable or provable claims. Rather, we include a wide range of tenants’ descriptions of their experiences with unfair, malicious, or prejudicial treatment. We find that many tenants are specifically targeted for eviction or experience prejudicial treatment during the eviction process because of their identity or background. This includes being treated unfairly based on tenants’ race, language, …

Suitability Analysis Of Public And Institutional Lands For The Oregon Farm To Institution Collaborative, Megan Horst, Maura Paxton

Urban Studies and Planning Faculty Publications and Presentations

This report provides a statewide view of public and institutional lands that may be suitable for farm to institution food production in Oregon. The goal is to assist the Oregon Farm to Institution Collaboration, and particularly the Land Access and Shared Assets Work Group, in identifying possible lands for farmers and food producers to grow food for schools, hospitals, and other institutions.

We start by comparing Oregon to other states, in terms of their public land access efforts around farm to institution or other related agriculture. We also showcase some interesting cases which may serve as inspiration to Oregonians. The …

Shame And History, Bennett B. Gilbert

University Studies Faculty Publications and Presentations

If history—our past, the sum of our thoughts, passions, and deeds—is so pervasive, influential, and meaningful, why then do we lose sight of it? Why do we not gain good values from it? And if it is part of our existential core, why then do we so often fail to ravel it into our deliberations?

I propose that very often and to a great degree it is shame that separates us from history. Shame: garrulous, compulsive, intense, omnivorous. A shamed person pushes away the experiences that shame her, thus cutting off the past.

Subito 2024, Portland State University. School Of Music & Theater

Subito: Student Voices from Portland State University School of Music & Theater

Issue 7, Spring 2024

The central theme for this year's journal is the body and wellness of the musician. The journal also includes a faculty spotlight with School of Music & Theater Director of the Coordinate Movement Program Lisa Marsh, research articles, an album review and so much more!

What Drives Housing Choices Of Refugees And Immigrants?, Diane Mitschke, Anne Nordberg, Stephen Mattingly, Katherine Kitchens, Yasmin Al-Zubi, Farah Naz

TREC Project Briefs

When newcomers to the US initially settle, if their chosen location does not meet their expectations or needs, that often propels them to relocate. To determine what helps drive those transition decisions, the researchers interviewed people if they fulfilled one of these requirements:

• They were members of the Dallas County community who were planning to move in the next five years.

• They had recently (within the past five years) moved from their initial residence following their arrival in Dallas County.
• They also had to be immigrants to or refugees in the US who were at least eighteen years old. Out …

Impacts Of Sex Work Criminalization On Sex Workers In Oregon: A Pilot Study, Stephanie Wahab, Katie Shammel

School of Social Work Faculty Publications and Presentations

Executive Summary

Context for the Study
In July, 2023, Oregon legislators voted to fund research exploring the impacts of the criminalization of sex work in Oregon. Unfortunately, the Governor vetoed the budget item, stating that the private sector should fund this type of public health research and noting the need for additional public discussion about the issue. To date, there have been no attempts to study the impacts of prostitution laws on the people most impacted by them in Oregon. The research presented in this report seeks to address this gap.

This qualitative pilot study was designed to better understand …

Including Voices And Mitigating Bias: Evaluative Practices For Final Interviews, Xan Arch, José Velazco

Library Faculty and Staff Publications and Presentations

The chapter discusses the preparation of non-search committee members to participate in an interview process and provide feedback on candidates. Increasingly, as our institutions strive for more inclusive search processes, we are incorporating equitable hiring practices such as implicit bias training for search committee members, rubrics for evaluating candidate applications, and behavior-based interview questions. However, for final interviews, we often throw the door open for general evaluation of candidates by a broad group of people who agree to attend a meeting, presentation, or meal. The feedback we gain from these final interview events may truly be germane to the candidates’ …

Looking At The Past To Change The Future: Showcasing Featured Collections, Building Communities, And Co-Creating, Sherry Buchanan

Library Faculty and Staff Publications and Presentations

Academic libraries have the opportunity and the responsibility to promote and advance content that creates transformative and iterative learning opportunities. To that end, and in an effort to build communities and facilitate co-creation, Portland State University showcases three main Featured Collections in our open access repository, PDXScholar: Climate Justice, COVID-19, and Racial and Gender Equity, with a fourth pilot collection—Student Work: An Open Showcase of Outstanding Student-Created Research & Creative Work—under development. The collections include a broad range of audiovisual materials, such as podcasts and webinar series, as well as sustainability and equity work, student-created content, and numerous future-focused multidisciplinary …

A Profile Of Freshman Inquiry Students Fall 2024, Rowanna L. Carpenter

University Studies Assessment Research

In order to better understand the students enrolled in Freshman Inquiry (FRINQ) courses and identify areas where they may need support, University Studies (UNST) began collecting and compiling data on these students. This report presents a profile of FRINQ students from Fall 2024. It presents an overview of all students enrolled in FRINQ during Fall 2024 and then summarizes information from the Prior Learning Survey.

University Studies Capstone Community Partner Feedback Spring 2024, Rowanna L. Carpenter, Seanna Kerrigan

University Studies Assessment Research

Since 1995, Portland State University has offered students the opportunity to engage in the community as the culmination of their general education experience through Capstones, community-engaged courses, each of which has a community partner. For several years after the beginning of the program, community partners were asked for their feedback. However, over time, response rates declined and the collaborating office was reorganized, so the practice was discontinued. During Winter 2024, University Studies (UNST) implemented a revised survey to seek feedback from current partners. Thirty-six respondents from twenty-five community partners (representing approximately 75 Capstones and thus half of UNST 421 Capstones) …

Anxieties About The Future: Ecocriticism And Dystopian Landscapes In The Three Stigmata Of Palmer Eldritch And Selected Fiction By Philip K. Dick, Nickolas Michael Sykora

Cal Poly Humboldt theses and projects

In a literary analysis of selected fiction by Philip K Dick through an ecocritical framework, the focus of this study reveals the consequences of ecological destruction on futuristic societies reflecting the Anthropocene. Drawing correlations between various texts by the author, the separation of nature from humanity demonstrates how dystopian landscapes influence the identity of the characters in these settings and how dystopia serves as a prism which distorts or reflects what it means to be human. With this, ontology and artificial intelligence are analyzed as a notable facet of his literature which addresses the progress of innovation in society and …

How Influential Is Petro-Pedagogy On Federal Educational Guidelines?, Cherrie Amor Chavez

Cal Poly Humboldt theses and projects

Petro-pedagogy highlights the pervasive influence of the fossil fuel industry within educational frameworks. This phenomenon operates subtly, manifesting in educational content's biases, omissions, and prioritizations. Focused on the Environmental Protection Agency (EPA) and the National Oceanic and Atmospheric Administration (NOAA), this research employs Critical Discourse Analysis (CDA) to scrutinize educational directives through a Petro-pedagogical lens. The study aims to unveil the language, power dynamics, and ideological constructs perpetuating fossil-fuel narratives within educational discourse through this lens. The study's significance lies in revealing concealed power structures within environmental and climate change education. The study uses critical discourse analysis to reveal pervasive …

Bridging Cultural Disconnects: Implementing Social And Emotional Learning Through The Use Of Action Research And Community Responsive Pedagogy Through The Art-Making Process, Rajeev Colleen Haymond

Cal Poly Humboldt theses and projects

This thesis project will explore the intentional implementation of social and emotional learning strategies while being grounded in a community responsive pedagogy in an art classroom. The big idea was to be intentional when incorporating social and emotional learning teaching strategies to offer a safe space that will aide in bridging the cultural disconnect that I have observed in the classroom. Through building on the five SEL competencies such as self-awareness, self-management, social awareness, relationship skills and responsible decision-making students were able to build up their sense of pride and self. Through the use of action research, I was able …

Exploring Colorism In Children’S Literature: Sulwe And Black Is Brown Is Tan, Jasmine April Fortunato

Cal Poly Humboldt theses and projects

My analysis of the texts Sulwe by Lupita Nyong'o and Black Is Brown Is Tan by Arnold Adoff works to evaluate the representation of colorism in children’s literature to understand how it is represented and has evolved in its messaging towards a young audience. Using the frameworks of Critical Race Theory, Critical Skin Theory and Color Blindness under a lens of colorism, my research utilizes visual analysis to view how it is physically conveyed and research in the literacy of children in understanding intersectional issues. Utilizing literary analysis, I analyze the ways colorism is discussed and combatted through comparisons, representation, …