Developing accurate predictive distribution models requires adequately representing relevant spatial and temporal scales, as these scales are ultimately reflective of the relationships between distributions and influential environmental conditions. In this research, we considered both spatial and temporal scale and the influence each has on predicting broad-scale distributions of two disparate...
In the continuing effort to reduce time spent in the product development cycle many industries
have realized the benefits of rapid prototyping. Within a few hours a design engineer can turn a
computer model into an actual three-dimensional object allowing customers, engineers and
marketing agents to evaluate a product early...
Moral reasoning ability is a measure of the stage of development of an individual along a theoretical scale through which one moves over the course of their lifetime, developed by Lawrence Kohlberg and further modified by James Rest, who’s revised Defining Issues Test (DIT-2) will be used for our study....
This study uses the Health Impact Assessment approach to determine the health impacts of allowing accessory dwelling units in Benton County, Oregon. A literature review presents the health benefits of accessory dwelling units in urban areas and identifies the potential negative health effects in rural areas. Five accessory dwelling units...
Counselor education programs traditionally have student counselors role-play therapy sessions to enhance skills in rapport building, aligning with a theoretical orientation, and other essential communication skills. Students, however, are often left to determine their own choice of words when engaging in these practice sessions, and consequently, experience uncertainty regarding how...
The purpose of this study was to investigate the household tasks that
school-age children perform and the average amount of time spent performing
those tasks. The sample included 219 children in 135 families
taken from the Oregon sample of 210 families interviewed for the Northeast
Regional Research Project 113: "An...
The purpose of this research, expressed in two coequal parts,
was: to establish a forecast of developments and an articulation of
policy options vis-a-vis postsecondary student consumerism; and to
determine if interest groups of experts differed significantly in
their evaluations of the aforementioned developments and policy
options.
The Delphi technique...
Ground-based assessments of foliar diseases including leaf blight are time-consuming and costly. We investigated the potential for using an unmanned aerial system (UAS) in conjunction with a multispectral sensor to determine whether we could more efficiently and reliably detect and quantify leaf blight in Pacific madrones. Our methods included ground-based...
The success of NIKE, Inc. is deemed miracle by professionals on both Wall
Street and Madison Avenue. Research done in the past tends to credit the growth
of NIKE, Inc. to its marketing strategies. By placing the achievement of the
company in the postmodern context, this study analyzes the cultural...
This investigation was conducted to determine the effectiveness of Personal Achievement Skills (PAS), a structured group psychotherapy approach, on the productivity, social functioning, self-esteem, locus of control, and life satisfaction of individuals with traumatic spinal cord injury. Subjects for the study were recruited through disability advocacy organizations, state disability service...
This research was undertaken to identify variables
that accounted for major changes in academic performance
between high school and college. Differences between
predicted and actual college GPA were used to classify
students as gainers or decliners among a group of
sophomores and a group of seniors at a medium-sized
research...
In 2011, a study by Freeman and Wornell uncovered that social service providers in Klamath County believed Native American children experiencing maltreatment might be slipping through the cracks. In an effort to find out how to better serve these children and their families, the current study involved interviews with 11...
Shame is a debilitating inner experience elicited by the negative self-appraisal of one's entire self, and is characterized by a deep-seated sense of being flawed, defective, and therefore unworthy of acceptance and belonging (Brown, 2006). Although significant research has explored self-conscious emotions, including shame, little has been done to examine...
Over two million people experience homelessness in the United States, but homeless people are often marginalized by invisibility and stigmas surrounding poverty within their local communities. This research seeks to amplify the voices of Corvallis area homeless women as a means to understand their everyday lived experiences. Six women residing...
The fundamental objective of this analysis was to isolate and
identify the factors governing the demand for domestically produced
rainbow trout in a representative west coast market, and assess the
impact on that demand, if any, of the introduction of pansize salmon.
The approach taken in this market demand study...
Three broadly interrelated problems of critical significance to the proper interpretation of melt inclusion (MI) data are addressed in this thesis. The first issue, the petrogenesis of anorthitic plagioclase phenocrysts in MORB lavas, has relevance due to the presence of numerous MI in many high-An feldspars. This problem was addressed...
Successful ecosystem restoration requires an understanding of the ecological processes directing succession. One of the challenges in the semi-arid grasslands of western United States is replacement of native species by invasive annual grasses. Solutions to this problem require identifying and manipulating ecological processes that direct succession to favor desired vegetation....
The purpose of this study was to investigate the relationship between moral development and year in school, gender, and personality type for university undergraduates. Moral development was measured by the Defining Issues Test (DIT) and personality was assessed using the Myers-Briggs Type Indicator (MBTI). The sample consisted of 320 freshmen,...
The two-fold purpose of this study is (1) to determine
differences in perception of counseling and guidance needs
between community college bound high school seniors,
community college counselors, and chief student services
administrators, and (2) to establish the nature and priority
of counseling and guidance needs of community college bound...
The purpose of this study was to examine the relationship between career development and locus of control as
they relate to barriers encountered in career development.
The sample included 144 students in the engineering
program at Oregon State University. The Rotter Internal-
External Scale and the Career Development Inventory (Form...
The passing of the 21st Amendment to the United States Constitution has given to individual states the authority to regulate the sale, distribution and taxation of domestically produced wines, and made the wine trade potentially significant as a means of augmenting state revenues. In the state of Oregon, table wines...
On September 12th 1960, just two months prior to one of the closest
Presidential elections in American history, John F. Kennedy faced the Houston
Ministerial Association and delivered a powerful speech on religion and
Americanism. The "religious issue" of the 1960 campaign drew immense interest
and trumped other issues pertinent...
Oregon residents with a terminal illness have had the option to use aid-in-dying under the Oregon Death with Dignity Act (DWDA) since 1997. The DWDA allows terminally ill Oregonians to make a request for lethal dosages of medication, prescribed by physicians for the purpose of self-administering to end one's life....
Red Light Ladies presents a perspective on prostitution in North America, within the context of the western mining frontier. A biographical profile of the frontier
prostitutor is presented, along with an archaeological model of settlement patterns and material culture. Settlement patterns and demographic changes in the prostitutor
population are hypothetically...
The combination of increased training tempo due to military base closures and the reduction in military budgets have placed a severe burden on the infrastructure at many military installations and emphasized the need for an integrated facility management support system. This research involved linking existing facility, environmental, and operational data...
Evaluating the success or failure of work force training programs is most often accomplished through the reporting of "objective" data. Rarely are the students' views of their own success in such a training program formally solicited or applied in any useful way. But participant perceptions can be a critical barometer...
Wheeled mobility devices (WhMD) pose unique safety risks to users while riding public transportation. Unsecured or improperly secured WhMDs create safety concerns for other transit riders and operators. Tests using accelerometers and visual observations were conducted to understand how WhMD orientation and securement in articulated buses, streetcars, and light rail...
This qualitative study considered faith as a part of the lifespan development of adults with developmental disabilities between the ages of 30 and 67 years. Ten individuals who participated attended an adapted liturgy and/or fellowship group hosted by two Roman Catholic faith formation groups. The data were gathered through individual,...
Three viruses were isolated from dahlias using a modification of
Yarwood's leaf-disc method of inoculation. Two of these isolates have
been reported previously in dahlias. In addition, a fourth virus was
isolated using a liquid-nitrogen transmission technique.
Dahlia virus isolate 1 possessed host range and thermal inactivation
properties similar to...
The increased use of outdoor recreation as a part of the
American way of life has focused attention on the diminishing ratio
of suitable land available to meet the recreational demands. In
Oregon, where the demand is greatest, there is still ample undeveloped
land for recreation use. There exists, therefore...
This thesis presents two related studies on the methodology for creating, and
subsequently analyzing, an inverse food web model of an intertidal seagrass bed. The first study (Chapter 2) describes, for the first time in the literature, a method for incorporating isotopic information gained from Bayesian mixing models into an...
Understanding the tradeoff between water use and productivity is critical for modeling growth of intensively managed Douglas-fir forests in the Pacific Northwest. Evapotranspiration is closely linked to carbon dioxide intake during the process of photosynthesis. However, summer drought characterizing the growing season in this region imposes a limit on carbon...
The major problem examined in this study was that of
determining whether or not there is any relationship between
student ratings of instruction in the community college
university transfer area and the professional teacher-training
backgrounds of instructors. In addition, several
other factors which may influence ratings and which might
interact...
Contamination events at Oak Creek, which runs through Oregon State University Research lands, prompted investigations into alternate transport mechanisms for moving liquid effluent from OSU Diary lands to Oak Creek. Magnetometer surveys conducted at the Diary identified magnetic signatures spatially associated with sub-surface locations of drain tiles, a 12-inch pipe,...
Twenty managers of large diversified irrigated farms in the Willamette Valley area of Oregon were interviewed about the economic information and analysis techniques they use when making crop selection decisions. Two community college farm management instructors, two agricultural lenders, and two certified public accountants working with farmers were interviewed about...
Observations of bacterial soft rot of onions in the Lake Labish
area in the Willamette Valley of western Oregon showed that two distinct
symptom types occur during the growing season. The most
prevalent symptom type appears in infected plants as a wilting and
chlorosis of two or more lower leaves...
The community of Bandon is located on the southern half of the Oregon coast, 140 kilometers north of the California border and 40 kilometers south of Coos Bay (Figure 1). Part of the city occupies the low-lying (average 3-meter elevation) area along the south bank of the Coquille River, while...
This study co-investigated with students with hidden disabilities the phenomenon of disability identity. This qualitative study utilized phenomenology and strategies proposed by Paulo Freire in an effort to understand identity development specific to individuals with hidden disabilities. There were seven students from a medium-sized, public university who participated in the...
"The MSC was created through the impetus of three needs. Wayne Burt of the newly formed Oceanography Department needed dock and ship support facilities for his NSF-funded research vessel on the coast. Roland Dimick of the Fisheries and Wildlife Department needed to expand his small bay research lab located at...
The purpose of this study was to identify the values
and attitudes of a group of freshman female students and
their parents and to determine if value and attitude differences
existed between these two groups. Therefore, of
equal importance in the study was the quantification of
intergenerational differences.
The subjects...
Field biologists are in need of more specialized and technical equipment than they are able to produce on their own in order to collect data more efficiently or gather data that is not currently available. This presents a challenge for design engineers because these products are typically highly specialized and...
The metabolic fate of cholesterol delivered to rat hepatocytes by rat plasma lipoproteins was determined. Binding and degradation of rat low and high density lipoproteins (LDL and HDL) in rat hepatocytes were studied. ¹²⁵I-labelled LDL and HDL were incubated with cells in the presence of varying concentrations of unlabelled lipoproteins...
This study presents a comparison of differences in cognitive mapping as a result of navigating an unfamiliar space with GPS or with Google Glass. Using the Yerkes-Dodson law and attenuation theory, the study attempts to uncover how attention is diverted or focused through each of these wayfinding platforms. In addition...
Due to the aluminum industry demands, a large effort has recently been devoted to the development of special alloys to be used as inert anodes for a newly designed aluminum reduction cell. The implementation of this new technology aims at the replacement of the graphite anodes that have been used...
Previous work has shown that diuron (3-(3, 4- dichlorophenyl)-1,
1-dimethylurea) is less toxic to fall-planted wheat than to wheat
planted in the spring. Diuron has been a significant factor in increasing
yields of winter wheat grown in Oregon's Willamette Valley.
The influence of several selected environmental factors on diuron
toxicity...
The primary focus of this investigation was to assess whether
or not selected ecological indices and leisure preferences demonstrated
statistically significant relationships with the aged's self-concept.
Gerontology, a relatively embryonic discipline, has only
recently begun to examine the impact of demographic, physical and
socio-psychological stresses upon the geron's self-concept. Even...
Most research on U.S. hunger and food insecurity is at the household level, where it occurs. Because policy to address food insecurity is created and implemented at the national and state level, hunger research at the state level provides important contextual information. By including weather data with state level economic...
With the passage of the American with Disabilities Act (ADA) it has become a civil
rights violation to deny access to persons with disabilities to public transportation. The
ADA requires transit agencies to provide accessible buses or equivalent services to
persons with mobility, sensory or cognitive impairments. This study examines...
In juvenile corrections education approximately 50% of the students are eligible for special education services. This dissertation examines Oregon's juvenile corrections educators' understanding of their role in the special education process. This process involves student referrals, evaluations, and eligibility determination for special education services, and the development of individualized education...
"... One goal of this document is to synthesize the literature on the effects of mechanical thinning on understory plant species. A second goal is to document the effect of prescribed burning on rare, threatened, or endangered species. We review current literature on studies that address effects of prescribed fire...
Climate projections indicate that ocean temperatures will continue increasing, potentially shifting the distribution of marine fish species and affecting the economics of the fishing industry and fishing communities. In this study, an integrated ecological-economic framework is used to evaluate the economic impacts of climate-driven species changes and assesses the value...
Polymeric composites reinforced with bio-materials have advantages over composites with synthetic reinforcements. Bio-based composites use low-cost and renewable reinforcements, have nonabrasive properties for machining, have improved damping characteristics, and have potential for energy recycling. However, the limited use of bio-based composites is because their mechanical properties are typically much lower...
The scientific endeavors that took place at Hanford Engineer Works, beginning in World War II and continuing thereafter, are often overlooked in the literature on the Manhattan Project, the Atomic Energy Commission, and in regional histories. To historians of science, Hanford is described as an industrial facility that illustrates the...
The purpose of this thesis is to better understand how students who experience anxiety that interferes with their daily functioning perceive and interact with their formal learning environments such as classrooms and lab spaces so that instruction in these spaces may be improved. Specific attention was paid to the ways...
Urban parks are biodiversity hotspots within cities and have the potential to provide a range of socio-cultural benefits for people, but may not always meet the needs and desires of park visitors. A variety of land use practices and environmental factors affect urban park biodiversity and vegetation structure, composition, and...
Since the 1980s, industrial forest restructuring has resulted in the divestment of industrial timberlands across the U.S. Emerging tenures have benefited from the divestment, including conservation-based tenures that manage for multiple objectives such as restoration, recreation access, and forest and habitat contiguity. Deschutes and Klamath Counties, Oregon, have three proposed...
The rise of social networking is more prevalent in today's society than ever before. Of the existing social networking platforms, Twitter is widely recognized as operating within the social networking elite. With this rise in social networking comes the challenge to develop new strategies of navigation when presenting one's identity...
In the last 20 years, a considerable volume of literature has emerged with respect to the efficacy of the market place in the allocation of water resources. Economists have been very willing to apply their tools of optimization in a comparative statics framework to indicate that any resource can be...
A widely held belief is that the pre-2018 U.S. repatriation tax has led to stockpiles of cash of multinational corporations being trapped overseas, but there is evidence showing that firms are issuing debt to access cash. Standard and Poor has documented this phenomenon as “synthetic cash repatriation.” This study examines...
The purpose of this study was to analyze the individual reasoning of
24 adults as they made decisions for two communities regarding municipal
wastewater treatment. The two western Oregon communities were both
responding to notices from governmental agencies of higher environmental
standards for the purification of wastewater before it could...
Health disparity scholars and researchers call to expand the conceptualization of health disparities research beyond the predominant and long-standing race-based analyses. The call requests the inclusion of frameworks and theories that reflect the complex, multi-level and multifactorial social processes that yield health disparities. Intersectionality is a theoretical framework that is...
The purpose of this investigation was to obtain a broad view of the development
and structure of the program of college education conducted at the Oregon
State Penitentiary (OSP) in Salem, Oregon to arrive at a means to explicate program
effectiveness. This research problem encompassed the compilation and interpretation
of...
Current reforms in science education advocate instruction which capitalizes on broad,
integrative understandings of a few underlying concepts. Such recommendations imply
that science teachers already hold integrated conceptualizations and will use such
understandings to guide practice. However, little research exists which delineates the
global content understandings of biology teachers (herein...
While a great deal is known about the benefits of being culturally identified as attractive, very little is known about the lived experiences of beautiful women. In this study, 21 adult women who are currently employed as models or represented by modeling agencies participated in open-ended interviews, and their responses...
The problems of Russian speaking refugees from the
Ukraine region of the former Soviet Union are the basis for
ethnographic inquiry and the delineation of the role of
voluntary agencies who assist their resettlement in Portland,
Oregon.
Interpretive methods are the foundation for an analysis
of Ukrainians' perceptions of problems...
The spread of nonnative species across the globe has contributed to biodiversity loss and changes in ecosystem structure and function. Monitoring the introduction, naturalization, and spread of introduced species is critical in abating negative impacts wrought by species invasions. However, providing basic information concerning the presence or spread of many...
This study examined the role perceptions of trustees
in the locally controlled Oregon community college system
and the state controlled Washington community college
system. Authorities in the literature were consulted to
define the "ideal trustee role" and the study determined
which governance system was most effective in fostering
this "ideal...
This ethnographic study explores the social aspects of agricultural land-use in the Marys River region. The study seeks to understand how farmers define sustainability and how their views on agricultural issues help to define a sense of place and identity in the Marys River region, within the context of the...
Bioenergy is a rapidly growing subsector of the emerging global bioeconomy, with the potential to create a substantial number of jobs and mitigate climate change. In order to develop bioenergy into a viable industry, capable of providing valuable energy and employment, there is an immediate need for a skilled workforce...
This study examined the dynamics of student, teaching assistant (TA), and faculty learning in relationship to implementation of a genetic technologies project in a university introductory biology course. Research focused on the types of learning that occurred and the various factors impacting that learning. Study participants included 25 undergraduate non-science...
In this research, a bi-criteria batching and scheduling problem is investigated in hybrid flow shop environments, where unrelated-parallel machines are run simultaneously with different capacities and eligibilities in processing, in some stages. The objective is to simultaneously minimize a linear combination of the total weighted completion time and total weighted...
In this research, a bi-criteria batching and scheduling problem is investigated in hybrid flow shop environments, where unrelated-parallel machines are run simultaneously with different capacities and eligibilities in processing, in some stages. The objective is to simultaneously minimize a linear combination of the total weighted completion time and total weighted...
In the study of rebuilding and recovery after natural disasters in the United States, little attention is paid to understanding how and why people rebuild following recurring, small-scale events, like wildfire. Hazard and risk literature, instead, is focused on understanding how larger communities with greater resources, economics, and social capital,...
Mathematics is permeated with language; it appears in the form of new words and
some old words with new meanings. There are new symbols to be able to read and
consume; much information is presented in tabular or graphic form, and finally the
language in a mathematics class has its...
A teacher may say, "I have twenty years of experience,"
but just what does it mean? This study suggests explanations
for the meaning of "Experience," not by looking at the number
of years in a classroom, but at what teachers did in those
years that could make the teaching experience...
Two simplified ocean simulations are used to study circulation and transport within Nares Strait. The simulations are similar, except that one included a coupled sea ice model that effectively established a landfast ice cover throughout the simulation year. Comparison between the ocean-only and ocean-ice simulations reveals a systematic change in...
Moisture damage has long been recognized as one of the most
critical factors influencing the performance of asphalt concrete (AC)
pavements. This moistureinduced damage occurs from either the
physical separation of the asphalt film from the aggregate or the
softening of the asphalt binder within the AC mixture in the...
Effective methods for the enantiopure formation of substituted piperidine rings are significantly important due to their presence in alkaloid products. A valuable method to form these ring systems would be via an intramolecular heteroatom Michael addition from the corresponding enone or enal. Described herein is a methodolgy that has been...
The Younger Dryas climatic event is a global phenomenon associated with a 1,000 year return to glacial conditions during the late Pleistocene period between 12,800 and 11,500 cal BP. Because of its significant effects on paleoenvironmental conditions in some parts of the world, archaeologists commonly seek to assess whether the...
Satellite observations of ice motion are combined with model estimates of low‐level winds and surface wind stress to provide evidence for atmospheric control of sea‐ice motion through Nares Strait, between Ellesmere Island and Greenland, during two periods in 2004. The results suggest that ice flux through the strait, and its...
This thesis is intended to provide the management of small to medium sized job shop companies with a written plan to implement a formal computerized manufacturing planning and control system. The research stemmed from a case study performed at a typical job shop where growth of production activities was complicating...