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An Observational Study Of Service Provider Client Dyadic Interactions, Joan Dayger Behn

Dissertations and Theses

This dissertation reports on the evolution of an observation instrument designed to examine a series of dyadic interactions between service providers and elderly clients. The encounters took place in the physical context of the client's home and under the auspices of two different kinds of urban service agencies. Staff members and elderly clients of In-home Nursing and Interaction agencies participated in the study. The coding system (Service Provider/Client Dyadic Interaction Coding System or SP/CDICS), is comprised of 28 carefully defined and described behavioral categories. The categories were developed through literature reviews and a series of preliminary observations conducted in agencies …

Stability And Resilience In Business Systems, Donald Bard Wilcox

Dissertations and Theses

The purposes of this research report are (1) to introduce into financial management theory, the concepts of stability, resilience and steady state from general systems theory, (2) to formulate hypotheses about the relationships among rate of return, business risk, stability and resilience as exhibited by business systems, (3) to construct quantifiable surrogates for these concepts in terms of the financial operating characteristics of business systems and (4) to test the hypotheses with an appropriate statistical methodology. Business systems are investigated from two different perspectives or levels of aggregation. The first level treats each individual firm as the business system. The …

An Impact Evaluation Of Home Improvement Loans On Neighborhood Decline: The Case Of Portland, Oregon, Geri Larkin

Dissertations and Theses

Recently federal policy aimed at halting decline in urban neighborhoods has included a major focus on housing rehabilitation efforts. In the case of Portland, Oregon, federally funded improvement loans for owner-occupied housing units resulted in the rehabilitation of almost four thousand homes from 1975 until 1978, over twice the number of homes rehabilitated in any other city in the nation. The purpose of the present study was to examine and analyze the city's rehabilitation loan program in two ways. First, the loan process itself was examined to ascertain whether there were any deficiencies in the loan program which should be …

Transport Of Ozone Across An Air/Water Interface Coupled With Aqueous Decomposition, Ahmad Ali Mehrabzadeh

Dissertations and Theses

Photoacoustic spectroscopy was used to analyze the transport of ozone through the air/water interface. Experimental results showed that the ozone transport rate is similar to rates measured for other gases of low solubility and low reactivity. The transport rate increases with increasing pH. The decomposition rate of ozone was studied in solutions. The decomposition rate also depends on the pH of the solution, and in high pHs both the deposition velocity and the decomposition rate constant of ozone have larger values. The value of the deposition velocity (Kd) is 3.7 ± .9 x 10^-3 cm/sec and the decomposition rate …

The Parcelization Of The Open Range, A Conflict In Land Use : Grazing Rights Versus Residential And Recreation Land Sales In Klickitat County, Washington, Dennis A. Olson

Dissertations and Theses

The threefold question researched herein is: (1) What are the extent and potential economic consequences of land parcelization in Klickitat County?, (2)What are the political and social costs of parcelization?, and (3) What measures today are, or could be, used to ameliorate the land use conflict? These are answered by studying the various aspects of the problem, including the historic land use change, legal mechanisms which regulate livestock grazing and land parcelization; taxation; the economic-effect upon livestock production; crime and social conflict; costs to county services; and environmental impacts. The geography of the change itself is depicted on several maps.

Selective Reflection Of Light At A Solid-Gas Interface And Its Application, Fumihide Takeda

Dissertations and Theses

In order to study the detailed spectral intensity distribution of light reflected from a solid-gas interface, the extinction theorem in optics is extended to include an absorbing medium and the thermal motion of the gas molecules near the interface. The theoretical spectral intensity distribution in the region of anomalous dispersion is found to be strongly modified compared to that predicted by existing theory. An important consequence of this theory in the line shapes of the reflected light is the possibility of using recently developed saturation spectroscopic techniques to study atoms and molecules near surfaces. In order to investigate the feasibility …

A Study Of The Photolysis Of O-Methyl Podocarpinitrile Oxide, Dianne Marie Hunter

Dissertations and Theses

The photolytic reaction of 0-methyl podocarpinitrile oxide to yield the δ-lactam (shown below) was studied under various conditions such as: solvent (hexane, methanol), mercury lamp wattage (lOOW, 450W), filter (Pyrex, Corex, Vycor), and additives (dichloromethane, hexafluorobenzene). The reactions were analyzed with IR, NMR and HPLC. Preparative medium pressure liquid chromatography and TLC were used in the δ-lactam isolation. The conditions resulting in the optimum yield of δ-lactam were determined. The photolytic stability of the δ-lactam under the conditions in which it was formed indicated that it was relatively stable only in hexane.

Surface Area Of Coal As Influenced By Low Temperature Oxidation Processes, Salvador Leon Arredondo

Dissertations and Theses

The possibility of increasing the amount of readily accessible surface area by enlarging the 5 A pore was examined via pretreating the PSOC-371 coal with gases such as nitrogen, nitrogen-oxygen, and ozone-oxygen and hydrogen peroxide solutions. Surface areas were obtained from nitrogen adsorption at 77 K and carbon dioxide adsorption at either 298 or 195 K for each sample before and after treatment.

Homemaker And Former Clientele Evaluation Of The Homemaker Service Of Lane County, Marcia A. Leonard

Dissertations and Theses

A program evaluation of the Homemaker Service of Lane County, through use of the Homemaker Opinion Survey and the Former Clientele Satisfaction Survey was implemented because of the interest expressed by the program director to evaluate the program. The master report of the evaluation was submitted to the Homemaker Service of Lane County under the title "Report of the Homemaker and Former Clientele Evaluation of the Homemaker Service of Lane County, 1979." This report contains a condensed version of those findings.

The Effect Of Costs And Constraints On The Optimum Employment Combination Of Full-Time And Part-Time Faculty At Urban Community Colleges, Zoe Annette Arrington

Dissertations and Theses

The labor market for part-time faculty at community colleges has changed such that in the past decade the number of instructors who teach part-time now outnumber those who teach full-time. This dissertation examines the full-time and part-time labor markets arguing that two separate labor markets exist. The supply in an urban area is nearly perfectly elastic for both full-time and part-time faculty; the demand side of the labor market is characterized by a number of costs. Data on costs were collected by two separate questionnaires, one to faculty and one to the personnel office of each college. The costs differ …

Studies Of Homogeneous Nucleation And Transient Heat Transfer In Cryogenic Liquids, Dipen N. Sinha

Dissertations and Theses

We report the results of a series of experimental studies in two interrelated areas: homogeneous nucleation and transient heat transfer in cryogenic liquids. We report the first determination of the homogeneous nucleation temperature of liquid helium I and liquid nitrogen employing a transient superheating technique. This technique in liquid helium involved the development of a new transient magnetoresistive thermometer which relies on the strong temperaure dependence of magnetoresistance in bismuth as a thermometric property. Our measurements of the homogeneous nucleation temperature for both liquid helium I and nitrogen are in good agreement with the predictions from the Becker-Doring Volmer-Zel'dovich-Frenkel nucleation …

Effect Of Phenoxy Acids And Their Derivatives On The Ionic Permeability Of Bilayer Lipid Membranes, Malkanthi Paulis Illangasekare

Dissertations and Theses

It has been found that the herbicide 2,4-D has the ability to increase the rate of transport of positive ions of several kinds and inhibit the transport of negatively charged tetraphenylborate ions in lipid bilayer membranes. Only the neutral molecules of 2,4-D are transport active. The ionized 2,4-D molecules do not modify the transport of ions, and do not by themselves permeate through lipid membranes. The results suggest that the enhancement of transport of positively charged ions is dominated by the increase of the ion translocation rate constant. It has been shown that membrane transport of negatively charged tetraphenylborate ions …

A Geophysical Definition Of A Klamath Falls Graben Fault, Cynthis Ann Veen

Dissertations and Theses

Four geophysical methods, along with well logs and outcrop data, were used in determining the location of a fault situated on the campus of Oregon Institute of Technology, just north of Klamath Falls, Oregon. The fault displaces rocks of the Yonna Formation, of Pliocene age. Wells located northeast of the fault (on the upthrown side) produce cold water, and wells located southwest of the fault (on the downthrown side) produce hot water. The purpose of this investigation was to define the characteristics of the fault exposed behind a large water tank southeast of the OIT campus.

Copper Toxicity And Extracellular Release In Selenastrum Capricornutum, Michael Edwin Darling

Dissertations and Theses

Copper toxicity was investigated using the green alga, Selenastrum capricornutum. Two major areas were investigated: the forms of copper which are toxic to growth of the alga and factors that can change the concentration of free copper, Cu²⁺(aq), in the growth medium during the logarithmic growth of the organism. This research has shown that S. capricornutum is sensitive to the free Copper ion, Cu²⁺(aq), irrespective of the total copper concentration.

Institutional Economics And Urban Political Economy, Forrest Clinton Blodgett

Dissertations and Theses

The emergence of a complex and highly urbanized industrial society has inspired great study of urbanization and urban phenomena by social scientists. Unfortunately, most social scientists study urbanology within the relatively narrow confines of their particular disciplines. Sociologists concentrate on urban phenomena arising out of human-group relationships, while political scientists concentrate on units of urban government and intergovernmental relations. Likewise, economists study urbanology from a market perspective while geographers tend to concentrate on urban location theory and historians are concerned about the history of urbanization. Moreover, urban planners and research specialists are principally practitioners who receive and attempt to apply …

Consciousness, Neurons, And Laughing Gas, Dody Michelson Orendurff

Dissertations and Theses

Psychological and physiological effects of nitrous oxide resemble those of eight other drug categories. Lipid solubility or hydrate microcrystal theories correlate behavioral measures with measurable parameters of the molecule N₂O. N₂O, a spindle poison, halts mitosis in metaphase, producing widespread physiological consequences. N₂O affects the microtubules of the spindle in a number of specific ways. Microtubules are utilized in other parts of eukaryotic cells, in a wide variety of functions. In neurons, microtubules build and maintain dendritic sensory processes. Since microtubules are built of two dissimilar proteins, constantly assemble and disassemble, and maintain a …

An Experimental Model Using Dance Training As Therapy For Women Over Thirty Five, Thelma J. Lofquist

Dissertations and Theses

The intent of this study was to use an experimental model to investigate the use of dance training for improving the self-esteem of women over the age of 35.

Sixteen women over the age of 35 were taught jazz dance over a 10 week period. A pre and post test of the Tennessee Self Concept Scale was used on both a dance group and a no dance group. It was hypothesized there would be positive changes in three of the 10 scores in the TSCS for the dance group, but not for the no dance group. The scores predicted to …

Introducing The Secondary Student To Sculptural Design And Form In Metal: Welding Sheet Steel Using The Oxyacetylene Torch, Philip John Smith

Dissertations and Theses

This thesis deals with the application of simple oxyacetylene welding techniques to the secondary art curriculum. Welded sculptural forms in sheet steel have been the focus of my own work during the past three years and these experiences formed the basis or background of the presentation of these skills to secondary students. An instructional unit was designed to fulfill three primary objectives. First, to familiarize the student with the basic tools and materials used in the construction of welded steel sculpture; second, to introduce the student to the creative concepts involved in the creation of sculptural form; third, to give …

The Geology And Geochemistry Of The North Fork Stock, Northeastern Oregon, David Joseph Matty

Dissertations and Theses

The North Fork stock is a composite intrusive body of Late Jurassic-Early Cretaceous age which outcrops in the Blue Mountains of northeastern Oregon. The upper 600 m of the intrusion are exposed over an area of approximately 36 km² along the canyon walls of the North Fork of the John Day River in Grant and Umatilla counties. The stock intrudes metasediments, metavolcanics, and metagabbros associated with the Permian-Triassic Elkhorn Ridge Argillite. Contact metamorphism of the Elkhorn Ridge Argillite is developed to the hornblende-hornfels facies throughout most of the exposed area of this unit in the study area. The contact …

An Evaluative Study Of The Good Samaritan Pain Evaluation Clinic, Frederic G. Wessinger Jr.

Dissertations and Theses

The purpose of this study is to ascertain whether or not the Good Samaritan Pain Evaluation Clinic can be considered a success.

Counseling In Allied Health Techniques Of Instruction: A Career Process, Robert David Mills

Dissertations and Theses

A Professional Paper on "Techniques of Instruction" as seen through the eyes of this writer, to Portland State University in partial fulfillment of the requirements for the degree of Master of Science in Education.

Group Parent Training In Oregon, John Peter Kuzma

Dissertations and Theses

Research examining the actual practice and methods of group parent trainers has not kept pace with the great amount of literature on "how-to-parent" theory. In this study, 23 group parent trainees throughout the Willamette Valley in Oregon were interviewed to determine the characteristics of their groups in terms of numbers of parents in each group, length of groups, fees charged, teaching methods used, parenting approaches taught. Their general concerns and opinions about the parent training field were also elicited.

The support aspects of the parent groups were recognized as integral to parent training's effectiveness. The organizational structure of the groups …

Layered Field Painting, Margaret Shirley

Dissertations and Theses

As a student in the master's program, I was introduced to several painting concepts which seemed both interesting and relevant to me and which I took as the framework and stimulus for the paintings done in the terminal project. These concepts can be stated briefly: a work of art as a record of a process or experience, the idea of field painting, and the technique of layering. Although these several aspects of painting are not identical, they are related: layering is an on-going process, which if done in a consistent way results in a continuous field. It seemed to me, …

The Concentration And Speciation Of Sugars In Natural Waters, Minoo Shakerin Sweet

Dissertations and Theses

Due to the importance of carbohydrates in biological systems, many efforts have been made to develop a quantitative method for analysis of carbohydrates in natural waters. The low concentrations of dissolved sugars in natural waters require a sensitive analytical method. In this study, gas chromatography of alditol acetate derivatives of sugars was investigated for quantitative and qualitative analysis of individual dissolved sugars in natural waters. The alditol acetate derivatives of sugars give only one derivative for each sugar, yielding qualitative and quantitative results.

The detection limit was 25 nM for each sugar. Because of this very low detection limit, only …

A Feasibility Analysis Of A Directly Sun-Pumped Carbon Dioxide Laser In Space, Seiichi Morimoto

Dissertations and Theses

The possibility of using sunlight to pump a CW carbon dioxide laser has been analyzed. Such a laser could be of interest for such applications as space communication and power transmission. In order to optically pump CO₂ using sunlight, the intense vibrational-rotational absorption bands of CO₂ in the 4.3 micron spectral region would have to be utilized. The total pumping power from sunlight can be calculated from the known data of the solar spectral irradiance outside the atmosphere and the infrared absorption by carbon dioxide at 4.3 microns. The pumping power is proportional to the collector area of …

The Interruption Of The Developmental Tasks Through Pregnancy In The Female Adolescent, Suzanne Epstein, Kathleen Perkins

Dissertations and Theses

There is much information about the incidence of adolescent pregnancy yet little attention has been directed to how this process will interrupt the working towards or completion of the developmental tasks of adolescence. It is our belief that completion of these tasks is crucial in relation to moving into the next stage, adulthood.

Public interest and concern for the contemporary needs of pregnant adolescents and school age parents as a special group is still fairly novel. Survey findings revealed that adolescent parents still have great need for infant day care services, direct financial assistance, housing arrangements, education, and parenting education. …

The Clinical Application And Practical Limitations Of Bone Conducted Speech, Terry Scott Cochrane

Dissertations and Theses

The purpose of this study was to investigate the effects of increased intensity on the bone conducted speech discrimination ability of normal listeners utilizing standard audiological equipment. The NU-6 word lists were utilized to test the bone conducted speech discrimination skills of ten normal hearing subjects, 21 to 30 years of age, on standard clinical equipment. Both the hearing levels (dB HL) and the sensation levels (dB SL) of the test administration were considered. In general, it was recommended that 100 dB Hl is the most appropriate dial setting for the administration of bone conducted speech discrimination tests even though …

A Comparison Of Maternal Remarks To Normal And Language Delayed Children, Vanessa Jow Bunker

Dissertations and Theses

This investigation compared maternal remarks to language delayed offspring and maternal remarks to normal language developing offspring in an attempt to determine if and where differences occurred. The following questions were asked:

1) Do mothers of language delayed children present their children with a significantly different percentage of verbal constraints (commands and question) than do mothers of normal language developing children in a play situation?

2) Do mothers of language delayed children present their children with an equal number of utterances as mothers of normal language developing children in a play situation?

3) Is the maternal mean length of response …

The Effects Of Morning And Afternoon Scheduling On The Clinical Performance Of Severe Aphasic Adults, Judith Ann Fisher

Dissertations and Theses

Concern regarding variables which influence the performance of aphasic adults has been demonstrated in the literature. Marshall et al. (1978) found that one such variable, scheduling of intervention, influenced significantly the test performance of their subjects. They determined that the aphasic subjects performed better in the morning than in the afternoon. The purpose of the present study was to determine if performance of severe aphasic adults on easy and difficult, single-word picture-identification tasks, presented in a clinically reinforcing manner, is differentially affected by morning and afternoon scheduling.

The questions posed in this investigation were: 1) Does morning versus afternoon scheduling …

Geology Of North Craters Of The Moon National Monument, Idaho, William C. Sidle

Dissertations and Theses

The purpose of the investigation was to map the geology of the north end of Craters of the Moon National Monument and surrounding area. A stratigraphic sequence of Late Paleozoic sedimentary and Tertiary volcanic rocks was compiles and the structures of these rocks and contact relationships with intrusions were delineated. Grade and facies of contact metamorphism were defined. The Snake River Plain basalts were also mapped. The sources of these flows were determined where possible. Preexisting structures and relationships of vents to earlier faulting were explored in ascertaining extensions of the Great Rift Zone into the Pioneer Mountains. Petrographic descriptions …