Digital Commons Network^™

Can Infopipes Facilitate Reuse In A Traffic Application?, Emerson Murphy-Hill, Chuan-Kai Lin, Andrew P. Black, Jonathan Walpole

Computer Science Faculty Publications and Presentations

Infopipes are presented as reusable building blocks for streaming applications. To evaluate this claim, we have built a significant traffic application in Smalltalk using Infopipes. This poster presents a traffic problem and solution, a short introduction to Infopipes, and the types of reuse Infopipes facilitate in our implementation.

Meeting Notes 2005-09-15 , Joint Policy Advisory Committee On Transportation

Joint Policy Advisory Committee on Transportation

No abstract provided.

Assessing The Quality And Quantity Of Student Discourse In Mathematics Classrooms, Dave Weaver, Tom Dick, Nicole R. Rigelman

Curriculum and Instruction Faculty Publications and Presentations

This paper will discuss the study design, observation protocol, efforts to increase inter-rater reliability, challenges to data collection, and findings from baseline data collection efforts. The paper will also summarize the types of analyses that will be performed with the data and will present other research questions that can be addressed through these analyses.

Communicating In A Group, Jack C. Straton

Physics Faculty Publications and Presentations

Student-centered learning requires teachers to provide students with opportunities to learn from and with each other, but most students come to group-work ill-equipped to handle the responsibility of cleanly communicating with each other. This paper provides one set of group-communication tools that helps students to become conscious molders of their own communication styles in relation to those of their peers.

Portland State Magazine, Portland State University. Office Of University Communications

Portland State Magazine

PSU’s alumni magazine, published 2-3 times a year. In this issue: An American finds his passion in Japanese culture and shares it with his students; new study shows lawmakers the heartbreak of Medicaid cuts; Alma Bingham prepared Portland State College’s first graduating class for careers in education; Grasping this small island’s conflict and acting on it is the goal of two professors raised in Cyprus; alumnus plums the depths for an alternative form of clean energy; and more.

Revisiting Invasion-Succession: Social Relations In A Gentrifying Neighborhood, Lynda Franks

Dissertations and Theses

This thesis examines the social relationships of different residents in a gentrifying neighborhood in Northeast Portland, Oregon. It examines theoretical tenants in the social identity tradition to understand social change in terms of the impact of neighborhood change on the day-to-day interactions of individuals in a gentrifying neighborhood by exploring the ways in which different members of that neighborhood define and describe the terms “neighborhood”, “neighbor”, and “neighborly behavior”.

Intergroup neighboring research posits two outcomes of neighborhood change on interactions between old and new neighbors, one of conflict, the other of cooperation. The conflict perspective proposes that, in situations where …

Meeting Notes 2005-08-11 [Part A] , Joint Policy Advisory Committee On Transportation

Joint Policy Advisory Committee on Transportation

No abstract provided.

Meeting Notes 2005-08-11 [Part C] , Joint Policy Advisory Committee On Transportation

Joint Policy Advisory Committee on Transportation

No abstract provided.

Ecolopolis: Making The Case For A Cascadian Supercity, Portland State University

Regional Planning and Metropolitan Growth Management Research Projects

This is a working document and is the first product of an ongoing project focused on the existence of and prospects for Cascadia. The document is organized into three main sections. In section one we consider Cascadia from an economic point of view using the cluster model developed by Michael Porter and others. In section two we look at the Cascadia through the lens afforded by high speed rail. In the third section we revisit the questions that launched this study, and discuss the next steps. For those you new to Cascadia, we append some basic background information on the …

Meeting Notes 2005-07-14 [Part A] , Joint Policy Advisory Committee On Transportation

Joint Policy Advisory Committee on Transportation

No abstract provided.

Mathematics, Meaning, And Identity: A Study Of The Practice Of Mathematics Education In A Rural High School, Rick Anderson

Dissertations and Theses

The purposes of this study were (1) to explore the relationship between mathematics education and the rural context and (2) to determine the usefulness of a social theory of learning (Wenger, 1998) to account for students' participation in advanced high school mathematics courses. Qualitative methods were used to gather data in a small, rural high school in the Pacific Northwest. Data gathered included a student survey, interviews with students and mathematics teachers, observations in mathematics classes, and documents related to the curriculum, the school, and the community.

The findings suggest that high school mathematics education is related to the rural …

Enhancing The Oregon Crash Reporting Process: A Feasibility Study, Christopher M. Monsere, Erin E. Wilson, Amber Springberg

Civil and Environmental Engineering Faculty Publications and Presentations

In most states, police officers and trained investigators complete crash reports for nearly all reportable crashes that occur on public roads. Many states have made significant improvements in the quality and timeliness of their crash data systems by implementing, in addition to other improvements, electronic filing of these reports by police officers. Oregon relies on citizen reports for a majority of their crash data and paper forms must be submitted to the responsible state agency and are then manually coded into the crash data system. Police reports are also paper based. This process limits the improvements that can be made …

Impact Of Changes To Premiums, Cost-Sharing, And Benefits On Adult Medicaid Beneficiaries: Results From An Ongoing Study Of The Oregon Health Plan, Bill J. Wright, Matthew J. Carlson, Jeanene Smith, Tina Edlund

Sociology Faculty Publications and Presentations

In 2003, Oregon implemented changes to its Medicaid program to cope with budget shortfalls. In addition to reducing benefits, increasing premiums, and implementing copays for a substantial portion of enrollees, the Oregon Health Plan (OHP) also eliminated premium exemptions and instituted a six-month lockout for individuals missing premium payments. In 2004, OHP rolled back some of these policies. An ongoing study of the impact of OHP’s program changes finds that, after the initial cost-sharing increases and benefit reductions, nearly two-thirds of individuals surveyed had lost their coverage, many directly resulting from increased costs. Those who left because of premiums and …

"Varying Realities Of The Human Experience": University Studies Program At Portland State University, Charles Ryan Brown, Grace L. Dillon, Celine Fitzmaurice, Greg Jacob, Yves P. Labissiere, Antonia Levi, Cherry Muhanji, Candyce Reynolds, Jack C. Straton

University Studies Faculty Publications and Presentations

Like many institutions of higher education, Portland State University (PSU) has engaged in initiatives to promote a more equitable and democratic society, from curricular changes to institutional policy implementation. In the late 1980s, PSU required students to complete a certain number of “diversity” credits as part of its general education requirements. During the 1990s, PSU radically revised its approach to general education, creating the University Studies Program that places diversity awareness among its core goals. Most recently, current President Daniel O. Bernstine has instituted a comprehensive “Diversity Initiative” as part of a series of initiatives aimed at improving the quality …

The Case For Thoroughly Testing Complex System Dynamic Models, Wayne Wakeland, Megan Hoarfrost

Complex Systems Faculty Publications and Presentations

In order to determine whether model testing is as useful as suggested by modeling experts, the full battery of model tests recommended by Forrester, Senge, Sterman, and others was applied retrospectively to a complex previously-published system dynamics model. The time required to carry out each type of test was captured, and the benefits that resulted from applying each test was determined subjectively. The resulting benefit to cost ratios are reported. These ratios suggest that rather than focusing primarily on sensitivity testing, modelers should consider other types of model tests such as extreme condition tests and family member tests. The study …

Focal Point, Volume 19 Number 01, Portland State University. Regional Research Institute

Research and Training Center - Focal Point

This issue of Focal Point examines the concepts of resilience and recovery and what they mean in the context of mental health care for children and adolescents. A resilience-and-recovery perspective highlights new ideas and strategies for transforming mental health care for children and adolescents.

Reorganizing The Oregon Department Of Human Services : An Exploratory Case Study Of Organizational Change, Charles Anthony Gallia

Dissertations and Theses

For decades, states have tried to reorganize their human service agencies in order to more effectively coordinate and integrate client services. Despite appearing to be a reasonable undertaking, previous studies indicated that such efforts met with only limited success (Dunkle & Surles, 1998; Pindus et al. 2000; Rabin & Steinhauer, 1988; GAO, 1992; Lynn, 1980; Owens, 1985).

This study had three objectives tied to understanding this type of reorganization. First, find out whether the OD process could inform restructuring. Second, determine whether evidence of the constraints to implementing planned organizational change that have been identified in the literature, became manifest …

2005 Commencement Program, Neal Keny-Guyer

Commencement Archives 2000-09

The program for the PSU Commencement ceremony on June 11, 2005.

Neal Keny-Guyer, CEO of Mercy Corps, delivered the commencement address and was awarded an honorary doctorate by PSU President Daniel Bernstine.

Meeting Notes 2005-06-09 [Part A] , Joint Policy Advisory Committee On Transportation

Joint Policy Advisory Committee on Transportation

No abstract provided.

Meeting Notes 2005-06-09 [Part B] , Joint Policy Advisory Committee On Transportation

Joint Policy Advisory Committee on Transportation

No abstract provided.

Visualizing Complexity : A Spatial Analysis Of Decorative Geometric Pattern In The Islamic World, 900-1400 Ad, Tracy Elizabeth Harrison

Dissertations and Theses

This study explores how the use of complex decorative geometric patterns in Islamic architecture spatially relates to advances in the fields of science and philosophy in the Islamic world between the ninth and fourteenth centuries. This project examines hypotheses developed by vario~s scholars on the forces that shaped the use of these patterns (known as the geometric mode) in Islamic architecture. The prevailing assumption that advances in mathematics contributed to the use of the geometric mode is used as a starting point for subsequent analysis.

For this study, two spatial databases were created. One contains over two hundred and twenty …

Extending Classical Test To Quantum, Jacob D. Biamonte, Minki Jeong, Jae-Seung Lee, Marek Perkowski

Electrical and Computer Engineering Faculty Publications and Presentations

We first introduce a method called quantum path verification, where we search for a break in a quantum network. After explaining these capabilities, we address gate internal faults. We present new fault models to represent crosstalk and unwanted nearest neighbor entanglement. When witnessed, these errors are probabilistic, but there is a set of tests that has the highest probability of detecting a fault. We introduce a method of probabilistic set covering to identify this set of tests. A large part of our work consisted of writing a software package that allows us to compare various fault models and test strategies.

Dynamic Matrix Composition In Engineered Cartilage With Stochastic Supplementation Of Growth Factors, Asit K. Saha, J. (Jagannath) Mazumdar, Sean S. Kohles

Mechanical and Materials Engineering Faculty Publications and Presentations

Dynamic extracellular matrix (ECM) synthesis is explored in a hypothesized engineered cartilage construct. Growth (α) and decay (β) rate parameters are developed from a previous engineered cartilage model. The presented mathematical model was constructed from the parameterized experimental data using a deterministic and stochastic examination of ECM synthesis based on a negative feedback control mechanism. A growth factor supplementation is incorporated in a probabilistic mathematical approach. The growth factor component modified an initial deterministic model through a Gaussian white noise fluctuation. As the primary constituents of ECM, the mathematical tool is intended to characterize the probable steady state distribution of …

Forest Resource Use, Land-Use, And Ecotourism In The RíO PláTano Biosphere Reserve, Honduras, Christina Marie Friedle

Dissertations and Theses

The Río Plátano Biosphere Reserve, a tropical rainforest reserve in the northeastern corner of Honduras, is home to several subsistence-based indigenous groups, including the Miskito, Pech and Garifuna, as well as the non-indigenous Ladinos. Communities within the reserve depend on forest resources, swidden agriculture, marine resources and/or small-scale ranching as the foundations for local economies. Regulations placed on these subsistence practices, after establishment of the biosphere reserve in 1980, have created unique and new pressures and resulted in a blend of traditional and innovative resource use. A notable result is the promotion of ecotourism as a solution for meeting the …

Evaluating Deliberative Democracy: Comparing Habermas' Discourse Ethic And Evaluations Of Consensus Process In Residential Cooperatives, Katheryn Sutter

Dissertations and Theses

How do deliberators reason together on what is best? Planners, policy analysts and community developers should know how to recognize the validity of participatory deliberations claimed to give groups voice in policy decisions. Policy analyses have lost power in the face of postmodern critiques of objectivity. Practical policy analyses require more than objective validity for they express results of what Jürgen Habermas refers to as normative rationality. This study followed John Forester's recommended research agenda for rigorous empirical analyses of policy process deliberations using Jürgen Habermas' Theory of Communicative Action. Three successful residential communities were identified with organizational and institutional …

Meeting Notes 2005-05-12 , Joint Policy Advisory Committee On Transportation

Joint Policy Advisory Committee on Transportation

No abstract provided.

Public Opinion, The Media, And Environmental Policy: Agenda-Setting, Framing, And Maintaining The Status Quo, Jonela Rae Estes

Dissertations and Theses

Contributing to the research on the topic of the media, public opinion, and public policy, this research investigated the question: Given the environment's relatively bipartisan backing and the public's support for a stronger environmental protection agenda, how can an environmental policy direction apparently incongruent with public opinion be maintained?

The method of answering this larger question was to examine the dynamic among public opinion, the media, and environmental policy, focusing specifically on the media's agenda-setting and framing functions. This dynamic was explored through a three part methodology: by looking at the amounts of environmental policy media coverage over the last …

Faculty Senate Monthly Packet May 2005, Portland State University Faculty Senate

Faculty Senate Monthly Packets

The May 2005 Monthly packet includes the May agenda and appendices and the Faculty Senate minutes and attachments from the meeting held April 2005

Portland State Magazine, Portland State University. Office Of University Communications

Portland State Magazine

PSU’s alumni magazine, published 2-3 times a year. In this issue: Author Robin Cody censors himself to get his book on school shelves; a peek at PSU’s copy of Galileo’s treatise on the universe; breathing new life into the MBA; a new way of looking at primaries in Oregon could upset the party faithful; professor Jason Podrabsky studies one creature’s amazing ability to survive; who was Chief Multnomah? A PSU history professor wants to know; and more.

Uncertainty Assessment Of Hydrologic Model States And Parameters: Sequential Data Assimilation Using The Particle Filter, Hamid Moradkhani, Kuo-Lin Hsu, Hoshin V. Gupta, Soroosh Sorooshian

Civil and Environmental Engineering Faculty Publications and Presentations

Two elementary issues in contemporary Earth system science and engineering are (1) the specification of model parameter values which characterize a system and (2) the estimation of state variables which express the system dynamic. This paper explores a novel sequential hydrologic data assimilation approach for estimating model parameters and state variables using particle filters (PFs). PFs have their origin in Bayesian estimation. Methods for batch calibration, despite major recent advances, appear to lack the flexibility required to treat uncertainties in the current system as new information is received. Methods based on sequential Bayesian estimation seem better able to take advantage …