This open access collection of exemplary graduate and undergraduate work includes nearly forty sub-collections: award-winning capstone projects, faculty-mentored research, and peer-reviewed scholarship. Find theses, dissertations, research projects, posters, presentations, articles, and more.
Search the Collection to find a topic or limit by discipline, keyword, date, or publication.
Student work
- comprises one third of PDXScholar.
- includes all PSU theses and dissertations.
- represents 60% of PDXScholar downloads.
- has been downloaded over 10 million times!
- Popular Content
Top 10 downloads - Undergraduate Research Commons
More than 700 publications in our repository network - Browse the Digital Commons Network
Over 500 colleges & universities in our shared repository
Please see the submission guidelines of each journal/event before submitting an online form.
- Journals
- Conferences & Symposia
- Faculty Nomination Form
- Program-specific Submission Forms
- Undergraduate Research Commons (Beyond PSU)
Organized by discipline, search for "Open to All" publications
- Top Downloads/Streams
- Readership Distribution
- PlumX Metrics
Item-level usage, citations, captures, mentions, and social media posts
Learn More: Portland State Research
Bringing the future into focus through groundbreaking research and scholarship
Theses from 2025
Integrating Methods to Investigate Phytoplankton Dynamics Along Gradients of a Major Urban River, Nicholas Sheldon
Characterizing Meteorological Patterns for Oregon's Winter Elevated PM2.5 Concentrations from 2000-2023, Arielle Golda Sherbak
Special Delivery: Special District Use of Collaboration to Solve Challenges, Kelly Irene Fahl Sherbo
The Art of Memory: The Medieval Peutinger Map, Amber Shrewsbury
You Are What You Eat: Religion, Meat, and the Moral Dilemma, Hazel M. Sims Ms.
Signal Processing of Ecologically Significant Signals for Transient Bedload Characterization, Nathan R. Sjullie, Quinn B. Morgan, and David Burnett
A Quantitative and Analytical Study of Light Atmospheric Hydrocarbons in Remote and Urban Environments, Alex Martin Smith
Access to Healthcare for Rural Transgender Adults in the United States, Devon Smith
Cuju: The Ancient Chinese Game That Held an Empire Together, Enzo H. Smith
The Role of Neuroscience in Mental Health Management Within the ADHD Population, Kadi Rae Smith
Flow Control Tactics for Photovoltaic Modules: Coherent Structure and Heat Shedding Amplification, Sarah Elizabeth Smith
Uncovering Moral Injury at Work: The Development and Initial Validation of the Moral Injury at Work Scale (MIWS), Megan J. Snoeyink
Working Paper No. 99, Adam Smith and the American Experiment, Cole Soliz
Exploring Health Equity with Culturally Specific Providers of Permanent Supportive Housing, Judith Solomon
Exploring Health Equity with Culturally Specific Providers of Permanent Supportive Housing, Judith R. Solomon
Is Ride-Hailing a Potential Solution for Older Adults After Driving Cessation? The Role of Objective and Perceived Accessibility, Minju Kim Song
Young Adults’ Views on Personal Death, Victor N. Soto
In-Between Spaces: First-Generation College Immigrant Experiences, Silvina Alamo Sousa-Ransford
Hydrosocial Ocean Commons: Offshore Wind Energy in Oregon, Bryce Ashlyn Sprauer
An Exposition of "Probabilistic Polynomials and Hamming Nearest Neighbors", Vivek Srirama
Indigenous Language Revitalization: The Klamath and Cherokee Tribes, Josephine Stapleton
Beyond the Bickering: Examining Event, Victim, and Offender Characteristics for Sibling Abuse Incidents in Oregon, Isabella M. Starr
Did Dobbs Reduce the Supreme Court's Legitimacy?, Ava Steinmetz
Orphan Basalts: Understanding the Origins of Unassigned Eastern Oregon Basalts, Angela Rae Stetson
“Through Science to Justice” Magnus Hirschfeld’s Role in Queer Liberation, Katarina L. Stoll