Digital Commons Network^™

Classical Calculation Of High-Energy Electron Capture In 5-Mev Proton-Hydrogen Collisions, D. R. Schultz, C. O. Reinhold, Ronald E. Olson

Physics Faculty Research & Creative Works

The existence of the classical Thomas peak in the angular distribution of projectiles undergoing capture in collisions of 5-MeV protons with atomic hydrogen is explored using the three-body, three-dimensional classical-trajectory Monte Carlo technique. A method that selects only that portion of the initial phase space which yields capture at this energy was developed to make the calculation tractable due to the extremely small cross section. The spectrum obtained displays only a small shoulder near the angle predicted by Thomas on the basis of successive classical binary collisions and the total (integral) cross section is overestimated by a factor of 26 …

Learn Audit Selection Rules From Data: A Genetic Algorithms Approach, David P. Greene, Rayman D. Meservy, Stephen F. Smith

Faculty Publications

The construction of expert systems typically require the availability of expertise that can be modeled. However, there are many important problems where no expertise exists, yet there is a wealth of data indicating results in different situations. Machine learning algorithms attempt to discover rules which capture the regularities that exists in such data.

The Efficacy Of Advance Organizers In Upper Elementary School Curriculum, Jean Hopper

UNF Graduate Theses and Dissertations

The purpose of this study was to provide a synthesis and evaluation of research regarding the efficacy of using advance organizers as a pre instructional teaching strategy to enhance students' cognitive growth. Additionally, two sample advance organizers are provided as a model for classroom application, along with caveats for advance organizer construction, presentation and usage. The third component of this study was an evaluation of selected advance organizer studies based on the work of Mayer (1979). The conclusion was that advance organizers do facilitate long term retention and conceptual understanding if prepared and presented properly using language and examples relevant …

A Comparison Of Text And Graphics As Effective User Interfaces In A Proposed Advanced Train Control System, Kenneth A. Organes

UNF Graduate Theses and Dissertations

This study tested the effectiveness of three screen interface formats for use in a proposed on-board computer to be used as part of an advanced train control system. One of the three formats contained only graphic depictions of the data, one contained only textual representations and the third had a mixture of graphic and textual data.

Twenty-eight subjects with varying railroad experience were recruited for the experiment. They were divided into three groups, each of which was presented with a simulation using one of the three interface types. The simulations depicted possible engine, track and train conditions that might be …

Towards The Integration Of Object-Oriented Constructs Within Structured Query Language (Sql), Paul Francis Rabuck

UNF Graduate Theses and Dissertations

This paper explores the possibility of coupling SQL with a semantic data model. For this study, the primary objective was to build a working prototype of a program that allows a database designer to define data objects and their respective interrelationships using the Object-oriented Semantic Association Model (OSAM*).

The prototype isolates from the designer the low level commands (i.e., CREATE TABLE, CREATE INDEX) which comprise the SQL data definition language (DOL). Once the objects are defined by the designer, the prototype generates the relational database table definitions without the designer having to directly use the SQL DOL.

Simulation Design, Role Identification And Attitude Change In A High Technology Culture, Terry Robert Schumacher

Dissertations and Theses

Gaming-simulations (G-S) are those in which participants play roles, make decisions and receive feedback while interacting with a simulation model. This study used attitude change to measure of G-S effectiveness in exploring questions relating simulation design and effectiveness. To define participant attitudes and the content for a simulation, the organizational culture of a software engineering firm was studied using an ethnographic approach. Inconsistencies between the existing culture and expressed ideals were measured using an 40 item attitude questionnaire drawn from statements made during interviews. Simulation structure and participant cognitive style were factors hypothesized to influence identification with a simulation role. …

Probabilistic Determination Of Failure Load Capacity Variations For Lattice Type Structures Based On Yield Strength Variations Including Nonlinear Post-Buckling Member Performance, Leander Anton Bathon

Dissertations and Theses

With the attempt to achieve the optimum in analysis and design, the technological global knowledge base grows more and more. Engineers all over the world continuously modify and innovate existing analysis methods and design procedures to perform the same task more efficiently and with better results. In the field of complex structural analysis many researchers pursue this challenging task. The complexity of a lattice type structure is caused by numerous parameters: the nonlinear member performance of the material, the statistical variation of member load capacities, the highly indeterminate structural composition, etc. In order to achieve a simulation approach which represents …

Seasonal Patterns Of Melatonin, Cortisol, And Progesterone Secretion In Female Lambs Raised Beneath A 500-Kv Transmission Line, Jack Monroe Lee Jr.

Dissertations and Theses

There is ongoing controversy about the possibility of adverse biological effects from environmental exposures to electric and magnetic fields. These fields are produced by all electrical equipment and appliances including electrical transmission lines. The objective of this environmental science study was to investigate the possible effects of a high voltage transmission line on domestic sheep (Ovis aries L,), a species that can often be found near such lines. The study was primarily designed to determine whether a specific effect of electric and magnetic fields found in laboratory animals also occurs in livestock under natural environmental conditions. The effect is the …

People, Programs, And Politics: Two Case Studies Of Adult Literacy Classes, Rita Collins

Dissertations and Theses

Past research has not sufficiently addressed the question of what types of adult literacy instructional practice are recognized by participants, i.e., students and teachers, as facilitating learning in Adult Basic Education (ABE) classes. The purpose of this study was to describe instructional practices in two urban literacy programs serving low level adult readers, and to identify which practices were effective in meeting student needs. Effectiveness was measured by the ability of students to achieve learning objectives identified by themselves and the teacher, and included attendance patterns and student participation. Quantitative measures of achievement were not used as criteria since few …

The Development And Administration Of A Modified Community College-Type Program For Caribbean Union College, T. Leslie Ferdinand

Dissertations

Problem. Throughout the Caribbean Union College (CUC) constituency thousands of youth are unemployed and unemployable. They do not possess marketable skills. At present no church-operated educational institutions exist in the constituency to provide relevant education for 50%-60% of its young people.

Methods. The survey method of research was used to compare the self-perceived educational needs of non-college-bound youth with the perceptions of board members/administrators, faculty/staff, alumni, students, parents/guardians, and other-adult SDAs of those needs in the CUC constituency. The population and sample were 93,140 and 1,903 respectively. A 56-item questionnaire was used. Chi-square was applied. The confidence level was set …

Developing A Model For The Organization, Administration, And Programs For Community Colleges In Malaysia, Boni Thadius Gaban

Dissertations

Problem

The large number of Malaysian students studying overseas indicates that there is a paucity of extant institutions of higher learning in Malaysia to cater to the increasing number of secondary school graduates. It was therefore the purpose of this study to develop a model for the organization, administration, and programs for community colleges in Malaysia.

Method

Documentary and survey methodology was used. This study covered the philosophy, purposes, organizational structures, personnel, programs, and roles for community colleges in Malaysia. From the review of related literature, interviews with administrators of community colleges in the United States, and the survey to …

Inclusion Of Gregorc's Mind Styles Concepts In Physical Therapy Curriculum And Instruction In Selected Baccalaureate And Post-Baccalaureate Programs, Keith R. Gaden

Dissertations

Topic

The topic under study in this paper was the application of Gregorc's mind styles concepts in two baccalaureate and two post-baccalaureate physical therapy programs.

Purpose

The purpose was to determine how these concepts were used while addressing the teaching and learning theory competency of the accreditation standards.

Sources

I examined intra- and extra-classroom activities, noting how information on styles was given and/or modeled to the students. Gregorc's Energic Model of Styles formed the basis for style determination. The research design was multiple-case study (embedded). Accreditation documents, curriculum file materials, handout materials, and videotaped classroom sessions were interpreted to determine …

A Validation And Comparative Study Of Kinetic Family Drawings Of Native American Children, Sheryl A. Gregory

Dissertations

Problem. Research on how Native American (NA) children draw their families and how perceptions of their families are reflected in their family drawings is lacking. The purpose of the study was (1) to validate the Kinetic Family Drawing (KFD) as an appropriate instrument for use with this population, and (2) to compare Native American and Caucasian children's KFDs.

Method. The KFD and Semantic Differential Scales were administered to 52 Native American children from the Potawatomi and Iroquois tribes, ages 6-14. A matched sample of 104 KFDs of Caucasian children from Southern Michigan was used for comparison. The data were analyzed …

A Proposed Paradigm Of Personality As Explored Through The Relationship Between Moral Reasoning And Cognitive Flexibility, Karen I. Madgwick

Dissertations

Problem. Personality, a construct representing the dynamic integration of the individual, remains complicated, both in theory and in research. The purpose of this study was to explore a conceptual paradigm of personality through the relationship between cognitive flexibility and moral reasoning. Researchers had not looked at the relationship between cognitive flexibility, as measured by the Stroop Color and Word Test, and moral reasoning, as measured by the Defining Issues Test (DIT). This study focused on the relationship between cognitive flexibility and moral reasoning. It looked for more than an understanding of the relationship, however, thus affording beginning research in the …

Presumed Ineligible: The Effect Of Criminal Convictions On Applications For Asylum And Withholding Of Deportation Under Section 515 Of The Immigration Act Of 1990, Evangeline G. Abriel

Faculty Publications

No abstract provided.

Less Law Than Meets The Eye, David D. Friedman

Faculty Publications

No abstract provided.

Dedication: In Memory Of Professor Russell W. Galloway, Jr., (Santa Clara University School Of Law Professor), Gerald F. Uelmen

Faculty Publications

No abstract provided.

Legal Breakdown: 40 Ways To Fix Our Legal System [Book Review], Margalynne J. Armstrong

Faculty Publications

No abstract provided.

In Search Of A Normative Principle For Property Division At Divorce [Book Review], Patricia A. Cain

Faculty Publications

No abstract provided.

The Control Of Pregnancy And The Criminalization Of Femaleness, Michelle Oberman

Faculty Publications

No abstract provided.

Hong Kong's Basic Law: The Path To 1997, Paved With Pitfalls, Anna M. Han

Faculty Publications

No abstract provided.

Ethical Integrity In The Legal Profession: Survey Results Regarding Law Students' Veracity On Resumes And Recommendations For Enhancing Legal Ethics Outside The Classroom, Nancy A. Wright

Faculty Publications

No abstract provided.

The Political Grammar Of Early Constitutional Law, H. Jefferson Powell

Faculty Scholarship

In this Article, Professor H. Jefferson Powell discusses the United States Constitution and the historical era during which it was written and adopted. He analyzes the Constitution not as a set of rules creating and organizing the federal government, but as a document that inspired political debate and the culture out of which our notions and understandings of constitutionalism grew. Professor Powell asserts that the "creation of a shared political and legal language" is perhaps one of the greatest achievements of founding-era Americans. Because deep political disagreement existed at the time, Professor Powell suggests that when we look to the …

The Lawless Execution Of Robert Alton Harris, Erwin Chemerinsky, Evan Caminker

Faculty Scholarship

No abstract provided.

The Role Of Adaptation In Archaeological Explanation, Michael J. O'Brien, T. D. Holland

History Faculty Publications (Archived)

Adaptation, a venerable icon in archaeology, often is afforded the vacuous role of being an ex-post-facto argument used to »explain» the appearance and persistence of traits among prehistoric groups- A position that has seriously impeded development of a selectionist perspective in archaeology. Biological and philosophical definitions of adaptation- A nd by extension, definitions of adaptedness-vary considerably, but all are far removed from those usually employed in archaeology. The prevailing view in biology is that adaptations are features that were shaped by natural selection and that increase the adaptedness of an organism. Thus adaptations are separated from other features that may …

October Tragedy, Erwin Chemerinsky

Faculty Scholarship

No abstract provided.

The Unfair Criticism Of Medical Malpractice Juries, Neil Vidmar

Faculty Scholarship

No abstract provided.

Proteolytic Modification Of The Ca²-Release Mechanism Of Sarcoplasmic Reticulum In Skeletal Muscle, Ute Goerke

Dissertations and Theses

Calcium ions are important mediators in the mechanism of contraction and relaxation of muscle fibers. Depolarization of sarcolemma and transverse tubule causes an increase of myoplasmic ca2+ concentration which induces contraction of the myofibrils. In skeletal muscle fibers, the intracellular Ca²⁺ concentraton is regulated by an extensive membrane system, the sarcoplasmic reticulum (SR). Ca²⁺-release from SR is initiated by depolarization of the transverse tubule via a process referred to as excitation-contraction coupling. The Ca²⁺ - release channel located in the junctional SR plays an important role in this mechanism.

The Morphology, Physiology, And Fine Structure Of A Toluene-Oxidizing Strain Of Pseudomonas Putida, Barry Clayton Anderson

Dissertations and Theses

The role of microorganisms in the degradation of xenobiotics in the environment is well established. Bacteria from the genus Pseudomonas are particularly well adapted to the degradation of hydrocarbons, aromatics, and numerous other natural and introduced substrates. We have isolated a strain of Pseudomonas putida, designated PC2P15, that uses toluene, phenol, benzene, and a number of other substrates as its sole sources of carbon and energy.

Adsorption Of Halogenated Phenolate Ions To Egg-Phosphatidylcholine Vesicles, Andreas Blochel

Dissertations and Theses

In this study, parameters for the adsorption of several halogenated phenolate ions to egg-phosphatidylcholine vesicles have been determined by microelectrophoresis.