Portland State University

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    37200 research outputs found

    Oregon State Rank Assessment for Midget Quillwort (Isoetes minima)

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    Oregon state conservation status assessment for midget quillwort (Isoetes minima) using NatureServe methodology, 2024

    Training Social Work Master\u27s Students for Integrated Health Care Settings: the Importance of Specialized Education

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    Integrated health care poses a unique opportunity for social workers to deliver person-centered, empowering, and collaborative care addressing all aspects of patient health. This study analyzed four years of data from a project designed to train social work master’s students to be effective members on integrated teams. Students that participated in the project achieved statistically significant levels of improvement from pre- to posttests with large effect sizes on the Behavioral Health Consultant Core Competency Tool skills (n = 93, Cohen’s d = -1.752, t(92) = -16.894, p \u3c .001) and the Team Skills Scale (n = 94, Cohen’s d = -1.558, t(93) = -15.101, p \u3c .001). Wilcoxon signed-rank tests confirmed improvements. No existing evaluations of integrated training for social work students capture behavioral health competencies data. Offering specialized training in integrated behavioral health work to students has immense potential benefit for outgoing social workers seeking to support patients

    Improving Anti-Hypertensive Medication Taking: the Direct and Interacting Effects of Perceived Adherence Difficulty, Adherence Knowledge, and Commitment to Adherence

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    Background Non-adherence to anti-hypertensive medications is prevalent, leading to increased hospital costs and preventable deaths and disabilities. Managing patient perceptions of adherence difficulties may be key to improving adherence. Objective This study examined the potential negative effect of patients’ perceived difficulties with anti-hypertensive medication taking on adherence, along with whether and how that effect could be reduced through patient knowledge of and commitment to adherence. Method 10,867 adult U.S. residents diagnosed with essential hypertension and prescribed anti-hypertensive medications participated in a cross-sectional online survey using self-reported behaviors and perceptions. Stepwise regressions and mean difference analyses were performed. Results Perceived adherence difficulty was negatively associated with adherence behaviors (b = -.443, p \u3c .001). This association was reduced by the moderating effects of adherence knowledge (b = .035, p \u3c .001) and commitment to adherence (b = .008, p = .037), and their direct effects on adherence behaviors (b = .075, p \u3c .001; b = .095, p \u3c .001, respectively). Some differences by patient race-ethnicity and income were observed

    Borrowing Bronfenbrenner: an Argument for Increasing the Intersection of Diverse Theoretical and Applied Models

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    We have observed that as the theoretical landscape in behavioral science continues to proliferate and diversify, it is not uncommon that distance between subspecialties emerge, artificially accentuating differences between camps. This may occur at the risk of losing sight of the common ground, and worsening communication between subspecialties. In this paper, we propose conceptual “crosswalking” as a means to preserve interdisciplinary communication within the behavioral sciences. This is illustrated using Bronfenbrenner\u27s Person-Process-Context-Time (PPCT) Model, mapped onto therapeutic modalities with a focus on ecological systems. Recommendations for future crosswalking are made

    The Benefits of Titling Indigenous Communities in the Peruvian Amazon: A Stated Preference Approach

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    We conduct a discrete choice experiment with leaders of 164 Peruvian Indigenous communities (ICs) to elicit their preferences about and valuation of land titles—to our knowledge, the first use of rigorous stated preference methods to analyze land titling. We find that on average, IC leaders are willing to pay US35,000US35,000–US45,000 for a title, roughly twice the per community administrative cost of titling; willingness to pay is positively correlated with the value of IC land and the risk of land grabbing; and leaders prefer titling processes that involve Indigenous representatives and titles that encompass land with cultural value

    Toward Queer Potentialities in Child and Youth Care

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    Arguably, from the invention of adolescence at the beginning of the 20th century, developmental theory has served as the foundation of disciplinary study and professional practice with children and youth across the global West. Despite their founders’ assertions that development is culturally constructed, in educational and youth work practice contexts stage-based trajectories of normative human growth are largely erroneously accepted as ahistorical, apolitical, naturally occurring, and universally applicable. This paper presents critiques of developmentalism from historical, reconceptualist, and queer perspectives, calling into question the underlying principles of normalcy and abnormality that run through the developmental project. We pay particular attention to the potential of queer theory as an analytic to deconstruct developmentalism in the context of child and youth care, opening new possibilities for critical engagement with children and youth outside the context of development

    Pt-Symmetry-Enabled Stable Modes in a Multicore Fiber

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    Open systems with balanced gain and loss, described by parity-time (PT -symmetric) Hamiltonians have been deeply explored over the past decade. Most explorations are limited to finite discrete models (in real or reciprocal spaces) or continuum problems in one dimension. As a result, these models do not leverage the complexity and variability of two-dimensional continuum problems on a compact support. Here, we investigate eigenvalues of the Schrödinger equation on a disk with zero boundary condition, in the presence of constant, PT -symmetric, gain-loss potential that is confined to two mirror-symmetric disks. We find a rich variety of exceptional points, re-entrant PT -symmetric phases, and a nonmonotonic dependence of the PT -symmetry breaking threshold on the system parameters. By comparing results of two model variations, we show that this simple model of a multicore fiber supports propagating modes in the presence of gain and loss

    Shifting to the Online Environment: Exploring Virtual and In-Person Collaborations Between Community College Libraries and Writing Centers

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    Community college libraries and writing centers are natural partners due to their shared goals regarding academic support and student success, as well as their joint focus on the interrelated processes of writing and research. Research has shown that libraries at four-year institutions and writing centers collaborate in many ways, but little research has been conducted on collaborations at community colleges and whether these collaborations have moved to a virtual setting. Given the rise in online education at community colleges and students\u27 need for developmental education in writing, this study used a qualitative survey approach to gain a better understanding of virtual and in-person collaborative efforts between writing centers and community college libraries. The survey was distributed via listservs and direct emails, with participation limited to those working at two-year institutions with writing centers. Survey findings demonstrated that library and writing center staff are implementing a variety of virtual and in-person collaborative efforts, such as student trainings, individual student appointments, the joint creation of online resources, and campus outreach. Practical implications for academic libraries and future directions for research are also discussed

    Open-inquiry opens Doors to intriguing optics experiments at home: A case study

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    [This paper is part of the Focused Collection on Instructional labs: Improving traditions and new directions.] This manuscript presents a case study of an introductory physics student who, during the remote learning conditions imposed during the COVID-19 pandemic, found inspiration within a new, openinquiry, project-based, laboratory curriculum designed at Portland State University. The phenomenon investigated by the study subject was intriguing to both the student and the lab instructors for its unfamiliar and instructive optical effect: a ring-shaped pattern or halo created by a laser diffusely reflected in a shallow body of water. Drawing on classwork and interview responses, this study shows that the subject achieved many expected curriculum outcomes, particularly with respect to experimental design and data analysis tasks, indicating that the course’s open-inquiry structure can be effective while offering students a free choice of what to investigate in a laboratory class. Additionally, the case study shows that the halo phenomenon is pedagogically rich as it combines refraction, diffuse reflection, and total internal reflection in a nontrivial way, thereby answering calls by physics education researchers for more complex, realistic examples in geometric optics instruction. Finally, this case also highlights challenges students may experience interpreting diffuse reflection and determining the position of optical features beyond image formation, not commonly a focus of introductory physics courses, textbooks, and education research

    Teaching in a Kenyan Refugee Camp: A Critical Ethnography of the Impact of Teacher Preparation and Cultural Experience on Pedagogy

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    This research involved an investigation of the classroom experiences of formally unprepared refugee teachers in Kakuma Refugee camp. The purpose was to understand how refugee teachers with no preservice preparation in accordance with the standards of Kenya Teacher Service Commission (TSC) perceive and interact with pedagogical content knowledge (PCK) and cultural relevancy in their daily classroom experiences with students in a refugee camp-based school in Kenya. What informed this study was the view that refugee teachers bring with them their respective and diverse cultural knowledge--ontology, epistemology, and axiology. To gain better understanding of the experiences and perspectives of these educators, the researcher interacted with them dialogically in the field within the cultural context of the classrooms and schools. Critical ethnography was chosen as the research methodological approach. During the summers of 2022 and 2023, four teachers of Kakuma Refugee Secondary School and three Windle Trust Officers were interviewed. Data collection also involved researcher observation of the teachers in their respective classrooms, followed by two concluding focus group discussions. Field notes, including informal conversations with teachers and environmental observations, were other methods of data collection. Tribal critical race theory served as a framework for understanding how refugee teachers experience the gaps of power and minimal professional development, and the impact on their PCK. The study found that refugee teachers were often overwhelmed by students\u27 lack of discipline and were subjected to put-downs by local teachers due to their refugee status. These experiences affected the teachers\u27 continuous growth in PCK and limited the potential impact of their cultural insights as refugees

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