Digital Commons Network^™

Leaf Epidermal Transmittance Of Ultraviolet Radiation And Its Implication For Plant Sensitivity To Ultraviolet-Radiation Injury, Ronald Robberecht

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Leaf epidermal transmittance of ultraviolet radiation (280-400 nm) was examined in several plant species to determine the capability of the epidermis to attenuate solar ultraviolet radiation. Epidermal samples were mechanically isolated and examined with a spectroradiometer/integrating sphere for transmittance. A survey of 25 species exposed to natural insolation was conducted. Although the species differed in life form, habitat type, and epidermal characteristics, epidermal transmittance was generally less than 10%. Ultraviolet radiation was attenuated 95 to 99% in more than half of the species. In 16 species, flavonoid and related pigments in the epidermis accounted for 20 to 57% of the …

Positive Controllability Of Systems With Nearly-Non-Negative Matrices, Theodore Sonne Perry

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This paper analyzes the controllability of constant coefficient linear differential equations and presents two proofs of a major theorem on controllability. Properties of nearly-non-negative matrices are discussed and in particular a theorem on the behavior of the exponential matrix of nearly-non-negative matrices is proven. These results are then used to prove that the reachable set for systems with nearly-non-negative matrices is limited to the positive hyperoctant.

Snowmobiling In Utah: An Analysis Of Consumer Characteristics, Site Quality, And Carrying Capacity, Richard A. Haws

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A consumer characteristic profile of the snowmobile owners in Utah was compiled and compared to the general population in Utah and the United States. Other statistics were compiled which included user preferences of snowmobiling sites and machine characteristics.

Data were collected by a mail survey of snowmobilers during the 1974-75 snowmobiling season. Approximately 315 questionnaires were analyzed. Additional data were collected from the Utah Division of Parks and Recreation.

Total economic rent values were estimated for 58 sites in Utah. These values were then separated into location and quality values. This was done by reallocating trips to sites by means …

Does The "Draw-A-Male-And-A-Female" Test Show Male-Female Relationship?, Paul Charles Hatch

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The present study investigated the "Draw-A-Male-And-A-Female" test to find if this variation of the "Draw-A-Person" test was a valid measure of male-female relationship variables, i.e., compatibility, happiness, warmth, and interpersonal anxiety and conflict. Two groups varying with respect to relationship (married group vs divorced group) were tested. A high school group was also tested. Three psychologists rated the drawings into a positive or a negative relationship group. If the male and female figures in the drawing had the appearance of warmth or pleasantness between each other, seemed compatible, and looked free from interpersonal anxiety or conflict, the picture was placed …

Interpersonal Relations And Drug Use And Abuse, Larry J. Carlson

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this study was to make comparisons among regular marijuana users, heroin addicts and nondrug users on interpersonal dimensions of personality. Two interpersonal oriented instruments, the Interpersonal Check List (ICL) and the Fundamental Interpersonal Relations Orientation-Behavior (FIRO-B) were used to evaluate differences among these three groups.

The design of this study was a three group comparison. Each of these three groups contained between 28 and 30 subjects with age, education and socioeconomic level being controlled for in selection.

Three hypotheses were made directing investigation of the following three areas: One, discrepancy between the self and the ideal self …

The Relationship Between Self Concept And Children's Figure Drawings, Marta Lynn Severson Campbell

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The present study investigated the relationship between self concept and children's figure drawings. The principle variable under consideration in each child's drawing were (a) size of drawing and (b) number of colors used. The Tennessee Self Concept Scale (Fitts, 1965) was administered to 80 students selected from the seventh grade at Logan Junior High School, Logan, Utah.

The subjects were then instructed to draw a picture of themselves. No further instructions were given regarding specific details of the requested picture. Ten colored pencils along with a regular pencil were made available to each student. No instructions were given as to …

Electroacoustic Impedance Measurements: A Learning Packet, Michael J. Cevette

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this paper is to provide an instructional format in the presentation of the clinical application of electroacoustic impedance measurements. Journal articles and impedance procedural booklets were used as a source of data for the information contained in the learning packet. Fundamentals of acoustic theory were treated to show the conceptual relationship of acoustic impedance and acoustic admittance. The terminology, normative data, and clinical interpretation of static acoustic impedance measures were examined. Diagnostically significant variables of the tympanogram were related to the audiometric-medical status of the patient. Clinical application of the acoustic reflex was investigated through descriptions of …

Opinions Of Logan City Residents Towards The Bear River District Health Department, Darrell R. Borrowman

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this study was to determine the opinions and perceptions of the residents of Logan, Utah, concerning the role and responsibilities of the Bear River District Health Department, and whether those opinions and perceptions differed among low, middle and high income families; among residents having a high school degree or less, a bachelor's degree or less, or a graduate degree or less; and among men and women. A survey instrument was administered to a stratified random sample of 150 residents.

The data collected indicated that: (1) the majority of the residents of Logan, Utah, were not aware of …

Population Dynamics And Age Determination For Five Utah Deer Herds, David L. Beall

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Ages of 213 deer killed during the 1972 hunting season were determined by: (1) eruption-replacement and wear criteria in the field: (2) employing the tooth eruption-replacement and wear criteria under optimum laboratory conditions; and by (3) cementum-annulation counts. Incisors collected for cementum-annulation counts were decalcified in 5 percent nitric acid, sections 16-18 microns were cut on a cryostat and stained in hematoxylin for 18 ± 2 minutes. Age determinations by cementum-annulation counts showed 87 percent agreement with the results obtained by eruption-replacement and wear criteria in the laboratory.

Survival rates were estimated from the age distribution of 740 teeth aged …

An Economic Analysis Of Management Alternatives For Utah Cattle Ranches And Potential Effects On Beef Production, David B. Hewlett

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The high feed grain prices of the last few years and the resulting high prices for heavy feeder cattle relative to lightweight feeder calves may provide economic incentives to market cattle from rangelands as yearlings. A majority of the economic studies investigating the profitability of retained ownership of beef calves to sell as yearlings have used a budgeting technique to compare a straight cow-yearling operation retaining all calves, to a straight cow-calf operation selling all calves. In this study linear programming was used to develop an optimum combination of various livestock marketing alternatives for maximizing net ranch income.

Two typical …

The Effect Of A Nutrition Program On Knowledge Of Nutrition And Nutrition Attitudes And Practices Of Fifth Grade Students In Granite School District, Nancy Brubaker Sorensen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this study was to evaluate a six week nutrition program in terms of its effect on nutrition knowledge and its effect on food practices and attitudes. A survey of the dietary food intake was also made. Fifth grade students in Granite School District, Salt Lake City, Utah, were the participants. A pretest and a postest were used to determine the effect of the program. The tests showed that cognitive knowledge increased in many areas, attitudes became more positive and there was little improvement in dietary intake. Dietary intake was low in fruits, vegetables and milk but adequate …

Population Dynamics And Harvest Of Canada Geese In Utah, John Tautin

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A twenty-one year (1952-72) accumulation of banding data for Canada geese in Utah was studied to determine the distribution and chronology of the harvest of the geese and the effects that hunting regulations have had upon harvests and population parameters. The banding data were also used in an attempt to develop a population model capable of predicting population trends and desirable survival rates.

Within Utah, the bulk of the annual harvest (78 percent) takes place in the northern portion of the State in the vicinity of the Great Salt Lake marshes. In Northern Utah the harvest peaks on the opening …

An Economic Appraisal Of Reuse Concepts In Regional Water Supply Planning, Rangesan Narayanan

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Using a conceptual model of a water supply firm, the necessary conditions for production and market efficiency are derived when renovated wastewater is considered as a potential water resource. The nature and extent of the supply augmentation due to recycled reuse is demonstrated using classical optimization techniques. Three stages of short-run supply corresponding to no recycling, partial recycled reuse and complete recycling of all reclaimable water are identified through appropriate Lagrangian Multipliers as well as graphical techniques.

A mathematical programming model is structured to determine the optimal water resource allocation and pricing policy for Salt Lake County. By maximizing the …

The Horse Population Of Utah And Its Impact, Scott Stewart Mckendrick

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

PART I

The horse numbers of Utah had not been accurately counted since the early 1960's. It was estimated that horse and pony numbers were reaching heights as recorded before the age of tractors and automobiles. Horsemen in Utah were asking for financial assistance for public horse facilities from the Utah legislature. The first part of this study was to survey the horse population to determine an accurate count of Utah horses.

PART II

In order to be satisfied that the horse industry deserved the spending of public funds, it was necessary to know the economic contribution of the horse …

Economic Analysis Of Dairying In Gunnison Valley, Utah, Craig L. Mangus

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this paper was to measure factors that affected the profitability of dairy operations in Gunnison Valley, Utah. Special attention was paid to economies of size, return on dairy capital and benefits accruing to the owners of dairies in the valley . Also, within the scope of this study was the subject of economic development and its accompanying impacts on an economy.

A census of the dairy operations in Gunnison Valley was conducted to acquire data on dairy capital owned, cow numbers and quantities of milk produced and returns to the owners of dairies of both a monetary …

Modeling Spring Wheat Production As Influenced By Climate And Irrigation, V. Philip Rasmussen Jr.

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A model has been developed that predicts spring wheat grain and dry matter yield. Preliminary tests show very favorable results when predicting grain yield in two different climatic regimes, one being a dryland and another being an irrigated area. The strengths of the model lie in its simplicity, relatively available input data, and low computer processing time cost. Weakness of the model stem from the assumptions that allow its simplicity. The basic assumption in the model is that grain and dry matter yield can be related to the ratio of actual to potential transpiration, computed for each of five phenological …

Structural Geology Of Cutler Dam Quadrangle And Northern Part Of Honeyville Quadrangle, Utah, Douglas A. Sprinkel

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The mapped area is located in the north-central part of Utah. The northern part of the mapped area is located in the Basin and Range province and the southern part of the mapped area is located in the Middle Rocky Mountain province. The north-south and east-west dimensions of the mapped area are 11.1 miles and 5.1 miles, respectively.

Paleozoic rocks are exposed in Bear River Narrows, in Cache Butte Divide, and in the Wellsville Mountains. Paleozoic strata, in Bear River Narrows, dip west. The Ordovician Swan Peak Formation crops out in the eastern part of Bear River Narrows. It is …

Ego-Identity Formation And Value Orientations In College Students And Working Youth, Gordon Bruce Munro

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

An extension of James Marcia's research was undertaken to examine the ego identity development of college and working youth. A number of comparisons were made between college and noncollege working youth, males and females ranging in ages from 18-21. A value orientation instrument (measuring instrumental and expressive attitudes) constructed for this study, Marcia's (1964) Ego-Identity Incomplete Sentence Blank (EI-ISB) and Identity Status Interview, LaVoie's (1975) Child Rearing Instrument, Schwartz's (1 971) Future Orientation and Independence from Family Authority Scalograms were used in assessing these comparisons.

The results revealed significantly more identity diffusion individuals in college and significantly more identity achievement …

The Guitar As An Accompaniment Instrument, Michael Christiansen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The following copyrighted methods booklet was developed and is being sold commercially in partial fulfillment for the requirements of the degree of laster of Music at Utah State University. The instruction book was designed to be used in teaching guitar classes at the University because after a review of many teaching materials, one was not found to be suitable for the purposes of teaching beginning and intermediate group classes on a university level.

The Accuracy Of Soil Mapping Units Of Certain Pachic And Cumulic Soils In Northern Utah, Behjat Badamchian

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this study was to determine the accuracy of mapping of pachic and cumulic soils in Cache County. The soil maps that were used for this study as the basemap were the Atlas sheets of the published soil survey of Cache County.

Five map units from Mendou, Nebeker, Avon, Hendricks and Winn which include almost 52 percent of the pachic and cumulic soils in the survey area were selected for this study. These five soils cover large areas when compared to other soil series and they are distributed throughout the county. All these map units were recognized as …

Sensitivity Analysis Of Surface Deposition In A Numerical Model Of Atmospheric Dispersion, Jackie Lewis

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Profiles of height-dependent diffusion which accommodate site-specific diffusivities were produced. A numerical model was adapted to incorporate the profiles. The model represented three-dimensional steady-state advection and diffusion of aerosols from an elevated point source. Sorption effects were simulated with surface attachment coefficients greater than unity. This proved effective in depleting the plume differentially upward from the surface.

A Model Child Abuse And Neglect Reporting Policy And Procedure For Use By Utah School Personnel, Samuel Barry London

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A model child abuse and neglect reporting policy and procedure was developed which Utah school districts could use in preparing their own district specific policies and procedures for use by district personnel. The development of the model policy was carried out using two groups of consultants for evaluating the model's format, content, and usability. A third group of consultants, the superintendent or a designee in each of the 40 Utah school districts, was asked to evaluate the model policy for completeness, format, and adoptability. The evaluation was made with a questionnaire developed by the researcher and mailed to the 40 …

Effects Of Fluoride Availability On Fluoride Content Of Deciduous Teeth Of Children And Bone Measurements Of The Mothers In Some Utah Communities, Monika Margareta Lowgren

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The relationship between the fluoride content of the enamel and dentine of deciduous teeth and the number of tooth lesions/mouth was compared to fluoride treatment in Logan, Brigham City, Helper and Milford, Utah. Bone measurement data was obtained on the second metacarpal bones of the mothers of the participating children from the same communities except Brigham City.

The fluoride treatment in the communities were as follows: Logan has no fluoride added to the domestic water supply but some children received fluoride treatment through tablets, drops, etc. Milford has water which naturally contains 0.8 ppm fluoride, Helper and Brigham City have …

Availability And Perceived Adequacy Of Health Services In Utah, Cheryl L. Thayer

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

It is the general consensus that continuous and comprehensive health care of good quality should be available to all, under conditions that are convenient, comfortable, and not detrimental to the dignity or self-respect of the individual.

This study concerns the adequacy of health services as perceived by persons living in rural, urban, and urbanizing-rural areas of Utah. It is also a study (1) to determine the degree to which various demographics found to be related to differential medical needs in metropolitan areas is related to perception of health services, and (2) to assess the congruence between empirical and perceived availability …

Development Of A Water Quality Model Applicable To Great Salt Lake, Utah, Craig T. Jones

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The development of a model capable of predicting the long term (seasonal) distribution of water quality constituents within Great Salt Lake was undertaken as a portion of the ongoing Great Salt Lake project at Utah State University. The overall goal of the project is the development of a modeling framework to assist the relevant decision making bodies in the comprehensive management of the Great Salt Lake system. Phase I of the project provided the overall structural framework for management of the Great Salt Lake system, identified data needs, and established priorities for the development of submodels for incorporation into the …

An Industrial Training Approach To A National Manpower Development Effort: A Proposal, Leonisa M. Cuayo

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The objective of this thesis is to propose an approach or a process by which a national industrial training system can be instituted for the Philippines; and specifying the role which the National Manpower and Youth Council should play in the undertaking. The thesis outlines some of the general features of the manpower development systems in several selected countries, followed by an outline of the Philippine manpower development system, and the environment in which the Industrial training system in the Philippines would operate. The existing organization of the National Manpower and Youth Council is described and a plan of action …

The Impact Of The Prototype Oil Shale Development On Agricultural And Municipal Water Supplies In The Uintah Basin, Roger Orson Tew

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

In this paper the institutional factors affecting water distribution in the Upper Colorado River Basin in general and the Uintah Basin are presented. The historical development of the appropriation doctrine of water allocation is outlined and Utah water policy is examined. These institutional factors are analyzed in light of the prototype oil shale development in the Uintah Basin and potential impact on the area's agricultural sector. Oil shale water estimates are compared with Uintah Basin water availability and examined with regard to population projections and municipal water use. Lastly, Utah water policy and the appropriation doctrine are viewed as restraints …

Defining Efficient Water Resource Management In The Weber Drainage Basin, Utah, Keith D. Wilde

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The Weber Basin Water Conservancy District is a state institution, but its primary function is collecting money for the U.S. Bureau of Reclamation, to pay for the Weber Basin Project. Different classes of water users pay markedly different fees for identical Project services. More than half of the water developed by the Project is not used consumptively, yet supply facilities continue to be built in the Basin because they are less expensive to their owners than prices charged for the underused capacity of the Project. Paradoxically, some Basin residents are bitterly resentful of both the District and the Bureau, claiming …

Plant Demographic Studies Of A Desert Annuals Community In Northern Utah Dominated By Nonnative Weedy Species, David R. Duba

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Field and laboratory investigations were conducted relating to factors controlling distribution and abundance of annual species growing in a disturbed portion of the salt desert shrub zone on fine-textured soils. Dominant species on the site in the two study years were the nonnative, Halophytic, late-summer maturing, Halogeton glomeratus (Bieb.) C.A. Mey., and Bassia hyssopifolia (Pall.) Kuntze. Contrasting amounts of precipitation were received in the two years; in 1974, spring conditions were so dry that two early-maturing, sub-dominant annuals, Descurainia pinnata (walt.) Britton, and Lepidium perfoliatum L. were essentially absent. They successfully reproduced under more favorable 1975 conditions.

Studies on species …

Religious Affiliation, Authoritarianism, And Dogmatism Of College Students, Heber M. Sharp

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this study was to examine the relationship of religious affiliation to the authoritarianism and open-closed mindedness of students at two institutions of higher learning, controlling for sex, reported church attendance, state in which the person reported residence as a child, and city size of reported childhood residency.

The sample for this study was selected from junior and senior students at Utah State University (n=1,409) and Weber State College (n=837). The subjects for whom data were analyzed indicated affiliation with the following religious groups: Agnostic, Baptist, Catholic, Christian, Episcopalian, Jewish, Lutheran, Church of Jesus Christ of Latter-day Saints, …