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God's Glass Ceiling: Women's Education In Christian Fundamentalist Higher Education Institutions, Melissa Graves Jan 2011

God's Glass Ceiling: Women's Education In Christian Fundamentalist Higher Education Institutions, Melissa Graves

Electronic Theses and Dissertations

Fundamentalists have historically held complex relationships with education and with women. This thesis examines the intersection of the three topics through a case study approach by looking at the education of women at fundamentalist institutions Bob Jones University, Liberty University, and Southwestern Baptist Theological Seminary. Historically, fundamentalists have expressed great suspicion towards education and intellectualism. Fundamentalists insisted on a literal interpretation of the Bible. Moreover, they created fundamentalist universities and colleges so that parents could send their sons and daughters away to school without worrying that their children would abandon their faith. This thesis argues that fundamentalist schools approach the …


A Study Of The Relationship Between Reading Instruction And Male Students' Reading Scores In Single-Gender Elementary Classrooms, Chrystal Michelle Hodges Jan 2011

A Study Of The Relationship Between Reading Instruction And Male Students' Reading Scores In Single-Gender Elementary Classrooms, Chrystal Michelle Hodges

Electronic Theses and Dissertations

The purpose of this study was to analyze the impact of single-gender grouping on the reading performance of fourth grade male students and explore the levels of use of research-based reading strategies for their influence on reading achievement of male students in single-gender and mixed-gender class settings. The study population consisted of 195 student participants, from 4 different schools in one mid-South school district, and 9 teacher participants of these students. The control group consisted of 98 students from two of the four schools in the study. Data was collected using the results from the Mississippi Curriculum Test, Second Edition …


Development And Evaluation Of Let's Eat Smart: A Pilot School-Based Nutrition Intervention For Elementry School Children In Kuwait, Sondos Ahmad Kalendar Jan 2011

Development And Evaluation Of Let's Eat Smart: A Pilot School-Based Nutrition Intervention For Elementry School Children In Kuwait, Sondos Ahmad Kalendar

Electronic Theses and Dissertations

Due to nutrition transition, the prevalence of childhood obesity is increasing significantly worldwide especially in affluent developing countries such as Kuwait. Obesity is associated with adverse chronic health conditions and financial burdens which provides an incentive for prevention. The objective of the study was to examine the effectiveness of a multi-component school-based nutrition intervention designed to improve healthy eating knowledge, attitudes, self efficacy and dietary behaviors among fourth and fifth graders in Kuwait. The Let's Eat Smart program was based on the social cognitive theory and used short interactive lessons, DVD sessions, posters, food models and parental letters to promote …


Taking Parties Seriously: Gendered Sexuality And Hook Up Culture At Greek Social Events, Brian Michael Knop Jan 2011

Taking Parties Seriously: Gendered Sexuality And Hook Up Culture At Greek Social Events, Brian Michael Knop

Electronic Theses and Dissertations

This thesis is a qualitative sociological analysis of gender and sexuality at Greek parties and in the broader Greek system in order to better understand hooking up and rape culture. While past work on rape culture has tended to look at fraternities as isolated organizations (Boswell and Spade 1996, Sanday 1990), this research takes into consideration that sororities and fraternities are constantly interacting within the Greek system and therefore must be analyzed together. I intervie14 sorority and fraternity members in order to uncover how Greek members interpret the behaviors, norms, and interactions at organized parties and in the broader Greek …


Sequence Stratigraphy And Source Rock Characterization Of Organic-Rich Shales Within The Jurassic Smackover Formation, Conecuh Embayment, Alabama, U.S.A., Patrick W. Niemeyer Jan 2011

Sequence Stratigraphy And Source Rock Characterization Of Organic-Rich Shales Within The Jurassic Smackover Formation, Conecuh Embayment, Alabama, U.S.A., Patrick W. Niemeyer

Electronic Theses and Dissertations

The Upper Jurassic Smackover Formation is a prolific producer of hydrocarbons known throughout the U.S. Gulf Coast region, and typically consists of carbonate lime mudstones, ooid grainstones, microbial boundstones, and dolostones. Recent exploration efforts in the Conecuh Embayment of southwest Alabama revealed the presence of two black, siliciclastic shale layers containing abundant terrestrially derived organic matter within the Smackover Formation. The shale layers provide interesting insight into the sequence stratigraphy and paleoclimate of the Conecuh Embayment, and the source of the hydrocarbons accumulated there. The two shale layers reach a maximum thickness of 50 feet along the longitudinal axis of …


Nose To Brain Delivery Of Therapeutic Agents, Siva Ram Kiran Vaka Jan 2011

Nose To Brain Delivery Of Therapeutic Agents, Siva Ram Kiran Vaka

Electronic Theses and Dissertations

The potential treatment approaches for various disorders associated with central nervous system are invasive and do not allow frequent administration. Brain targeting of drugs by intranasal route is a safe and noninvasive method of drug delivery which allows frequent administration and is certainly more patient compliant than the currently folloinvasive methods. In this study, the plausibility of delivering neurotrophins [nerve growth factor (NGF) and brain derived neurotrophic factor (BDNF)], neurotrophinogenic agents (ex: carnosic acid) and antibiotics (ex: cefotaxime) to brain via nose-brain pathway using chitosan as barrier modulating agent was investigated. In vitro permeation studies of fluorescein isothiocyanate dextran (FD40k) …


Corporal Punishment: Opinion Vs. Research, Margaret Williamson Jan 2011

Corporal Punishment: Opinion Vs. Research, Margaret Williamson

Electronic Theses and Dissertations

Corporal punishment is a heated topic, especially in Mississippi. The use of corporal punishment is deeply rooted in culture and religion for many. Many people feel that it is an acceptable method of disciplining children at home and in school although research has disproved this idea. In many families in the south, corporal punishment has been a trusted type of discipline for children for generations. With such a volatile subject matter, where culture and religion clash with reliable scientific research, what are the opinions of the teachers entering the field regarding this topic? Current research provides little insight into the …


Psychological Factors In Hiv-Related Headaches, Kale Edney Kirkland Jan 2011

Psychological Factors In Hiv-Related Headaches, Kale Edney Kirkland

Electronic Theses and Dissertations

Headache is one of the most commedical complaints reported by individuals suffering from HIV/AIDS, but conflicting data exist regarding their prevalence, prototypical characteristics, and relationship to HIV severity. A well-established field of research indicates a strong association between psychiatric comorbidities/psychological factors and headache disorders, but this association has not been explored frequently among HIV patients with headaches. Data on headache symptoms and psychological factors were collected on 200 HIV/AIDS patients from two outpatient clinics using structured interviews and self-report measures. Of these, 107 patients (53.5%) endorsed problematic headaches, most of which (n = 103; 51.5%) were consistent with characteristics of …


They Burn You They Bury You They Pull You From The Water, Travis Eugene Morris Jan 2011

They Burn You They Bury You They Pull You From The Water, Travis Eugene Morris

Electronic Theses and Dissertations

Ditch Row Ballot of Characters In Daviess County, Kentucky, the Ohio River's ancient bank separates the people living in Owensboro. Those drowning in the plasmatic shallows, in the flood plains of the city, are a vigilant, tribal array of religions and mysticism. The closer a community comes to the actual banks of the river, the more enflamed characters of families become. As most places in Kentucky associate themselves with distinct counties--never being from a city--the people inside Daviess County align on streets. They Burn You They Bury You They Pull You from the Water, is the phoenix of one family …


In Search Of Satanists Examining The Accounts Of Deviant Religious Practitioners, Chris P. Mcdaniel Jan 2011

In Search Of Satanists Examining The Accounts Of Deviant Religious Practitioners, Chris P. Mcdaniel

Electronic Theses and Dissertations

Despite the glut of literature focusing on numerous aspects of mainline American religious life, there is a surprising dearth of information regarding deviant religious practitioners. Importantly, there remains a lack of focus on the specificities of religious and spiritual deviance, and the accounts of those who engage in such practices. This exploratory study closely examines the members of one such religion; specifically, the Church of Satan. Despite the stigma associated with Satanism, individuals continue to willfully engage in such practices. Research uses face-toface, semi-structured interviews to better discern the rationale behind Satanic worship as understood by modern-day believers. Particular attention …


Strategies For Coping With Gender-Based Violence A Study Of Young Women In Kibera, Kenya, Elizabeth Swart Jan 2011

Strategies For Coping With Gender-Based Violence A Study Of Young Women In Kibera, Kenya, Elizabeth Swart

Electronic Theses and Dissertations

Research on gender-based violence in the developing world is finally beginning to get serious attention. But that research is, unfortunately, still overlooking violence to women in the burgeoning slums and informal settlements around the globe. The current study is one of the first to address the issue of gender-based violence in slum communities by presenting both qualitative and quantitative data from Kibera, Kenya—the largest slum in sub-Saharan Africa. Qualitative data were derived from the diaries of twenty women between the ages of 18-30 living in Kibera. Diary data were collected from 2007-2010. Quantitative data were derived from a survey administered …


Self-Assembly And Photophysics Of Selected Organic Materials And Two-Photon Bioimaging With Profluorescent Nitroxides, Polyelectrolyte Nanoparticles, And Squaraine Probes, Hyo Yang Ahn Jan 2011

Self-Assembly And Photophysics Of Selected Organic Materials And Two-Photon Bioimaging With Profluorescent Nitroxides, Polyelectrolyte Nanoparticles, And Squaraine Probes, Hyo Yang Ahn

Electronic Theses and Dissertations

Two-photon absorption and upconverted fluorescence has been utilized in a variety of applications in pure science and engineering. Multiphoton-based techniques were used in this research in order to understand photophysical and chemical characteristics of several fluorescent dyes and to demonstrate some of their key applications. Two-photon fluorescence microscopy (2PFM) has become a powerful technique in bio-photonics for non-invasive imaging in the near-infrared (NIR) region (700~1000 nm) that often results in less photobleaching. In Chapter 1, there is a brief introduction to fluorescence, examples of fluorescence materials, and a discussion of the advantages of two-photon absorption. 2PFM imaging was utilized in …


Selling "Dream Insurance" : The Standardized Test-Preparation Industry's Search For Legitimacy, 1946-1989, Keegan Shepherd Jan 2011

Selling "Dream Insurance" : The Standardized Test-Preparation Industry's Search For Legitimacy, 1946-1989, Keegan Shepherd

Electronic Theses and Dissertations

This thesis analyzes the origins, growth, and legitimization of the standardized test preparation ("test-prep") industry from the late 1940s to the end of the 1980s. In particular, this thesis focuses on the development of Stanley H. Kaplan Education Centers, Ltd. ("Kaplan") and The Princeton Review ("TPR"), and how these companies were most conducive in making the test-prep industry and standardized test-preparation itself socially acceptable. The standardized test most frequently discussed in this thesis is the Scholastic Aptitude Test ("SAT"), especially after its development came under the control of Educational Testing Service ("ETS"), but due attention is also given to the …


High Pressure And Micro-Spectroscopic Studies Of Single Living Erythrocytes And The Intraerythrocytic Multplication Cycle Of Plasmodium Falciparum, Silki Arora Jan 2011

High Pressure And Micro-Spectroscopic Studies Of Single Living Erythrocytes And The Intraerythrocytic Multplication Cycle Of Plasmodium Falciparum, Silki Arora

Electronic Theses and Dissertations

A novel experimental approach for micro-absorption spectroscopy and high-pressure microscopy of single cells is developed and applied to the investigation of morphological, volume, and spectroscopic changes in healthy red blood cells (RBCs) and erythrocytes infected with the malaria parasite Plasmodium falciparum. Through real-time optical imaging of individual erythrocytes (size ~ 7[micrometer]) we determine the change in volume over the pressure range from 0.1 to 210 MPa. The lateral diameter of healthy RBCs decreases reversibly with pressure with an approximate slope of 0.015 [micrometer] / MPa. In infected cells, clear differences in the deformability and between the compression and decompression curves …


Hybrid Adult Neuron Culture Systems For Use In Pharmacological Testing, Darin Keay Edwards Jan 2011

Hybrid Adult Neuron Culture Systems For Use In Pharmacological Testing, Darin Keay Edwards

Electronic Theses and Dissertations

Neuronal culture systems have many applications, such as basic research into neuronal structure, function, and connectivity as well as research into diseases, conditions, and injuries affecting the brain and its components. In vitro dissociated neuronal systems have typically been derived from embryonic brain tissue, most commonly from the hippocampus of E18 rats. This practice has been motivated by difficulties in supporting regeneration, functional recovery and long-term survival of adult neurons in vitro. The overall focus of this dissertation research was to develop a dissociated neuronal culture system from human and animal adult brain tissue, one more functionally and developmentally correlative …


Discovery And Optimization Of Novel Small-Molecular Inhibitors Suppressing Stat3-Dependent Tumor Process, Xiaolei Zhang Jan 2011

Discovery And Optimization Of Novel Small-Molecular Inhibitors Suppressing Stat3-Dependent Tumor Process, Xiaolei Zhang

Electronic Theses and Dissertations

With the critical role of aberrantly active Signal Transducer and Activator of Transcription (Stat) 3 protein in many human cancers, selective small-molecule inhibitors targeting the dimerization event which is required for stat3 activation, would be valuable as therapeutic agents. And the inhibitors will be useful chemical probes to clarify the complex biological functions of Stat3. By computational and structural analyses of the interaction between Stat3 and the lead dimerization disruptor, S3I-201, we have designed a diverse set of analogs. One of the most active analogs, S3I-201.1066 is derived to contain a cyclo-hexyl benzyl moiety on the amide nitrogen, which increases …


Impact Of Land Management On House Mice And Red Imported Fire Ants, Jesse R. Abelson Jan 2011

Impact Of Land Management On House Mice And Red Imported Fire Ants, Jesse R. Abelson

Electronic Theses and Dissertations

Understanding of mechanisms that limit the abundance and distribution of species is central to ecology. The failure of mechanisms to regulate populations can result in population outbreaks. There have been two outbreaks of house mice in the past decade in central Florida. In my study, I examine the efficacy of landscape management in the form of mowing and plowed soil barriers to limit or prevent outbreaks of house mice in a former agricultural area. House mouse populations were highly variable, but were unaffected by mowing or plowed soil barriers. Red imported fire ants were ubiquitous in the study area regardless …


The Application Of Two-Photon Absorbing Probes In Lysosomal, Zinc Ion Sensing And Folate Receptor-Targeted Bioimaging, Xuhua Wang Jan 2011

The Application Of Two-Photon Absorbing Probes In Lysosomal, Zinc Ion Sensing And Folate Receptor-Targeted Bioimaging, Xuhua Wang

Electronic Theses and Dissertations

Two-photon fluorescence microscopy (2PFM) has become a powerful technique for bioimaging in non-invasive cancer diagnosis and also investigating the mechanization and original of a variety of diseases by tracking various biological processes. Because the fluorescence emission by two photon absorbing (2PA) is directly proportional to the square of the intensity of excitation light, this intrinsic property of 2PA provides 2PFM great advantages over traditional one-photon fluorescence microscopy (1PFM), including high 3D spatial localization, less photodamage and interference from biological tissue because of using longer wavelength excitation (700-1300 nm). However, most 2PA probes are hydrophobic and their photostabilities are questionable, severely …


Colorism In The Spanish Caribbean: Legacies Of Race And Racism In Dominican And Puerto Rican Literature, Malinda Marie Williams Jan 2011

Colorism In The Spanish Caribbean: Legacies Of Race And Racism In Dominican And Puerto Rican Literature, Malinda Marie Williams

Electronic Theses and Dissertations

This dissertation explores the impact of colorism on Spanish Caribbean literature--more specifically, works of fiction and memoir by both island and diaspora writers from the Dominican Republic and Puerto Rico. Colorism, or discrimination based on the shading of skin, manifests itself in Spanish Caribbean literature in a variety of ways. It is often used as a marker of class and/or class difference; it may reflect and/or play a part in shaping cultural standards of beauty or attractiveness; and it signifies the entrenched complexities of the Spanish Caribbean's history of conquest and colonization. Colorism appears in these texts as both a …


Low Noise And Low Repetition Rate Semiconductor-Based Mode-Locked Lasers, Dimitrios Mandridis Jan 2011

Low Noise And Low Repetition Rate Semiconductor-Based Mode-Locked Lasers, Dimitrios Mandridis

Electronic Theses and Dissertations

The topic of this dissertation is the development of low repetition rate and low noise semiconductor-based laser sources with a focus on linearly chirped pulse laser sources. In the past decade chirped optical pulses have found a plethora of applications such as photonic analogto-digital conversion, optical coherence tomography, laser ranging, etc. This dissertation analyzes the aforementioned applications of linearly chirped pulses and their technical requirements, as well as the performance of previously demonstrated chirped pulse laser sources. Moreover, the focus is shifted to a specific application of the linearly chirped pulses, timestretched photonic analog-to-digital conversion (TS ADC). The challenges of …


Metal Blacks As Scattering Centers To Increase The Efficiency Of Thin Film Solar Cells, Deep R. Panjwani Jan 2011

Metal Blacks As Scattering Centers To Increase The Efficiency Of Thin Film Solar Cells, Deep R. Panjwani

Electronic Theses and Dissertations

Metal nano particles are investigated as scattering centers on front surface of thin-film solar cells to improve efficiency. The principle is that scattering, which is enhanced near the plasmon resonance frequency of the particle and depends on particle size, increases the effective optical path length of incident light, leading to more light absorption in active layer of thin film solar cell. The particular types of particles investigated here are known as "metal-black", well known as an IR absorber for bolometric infrared detectors. Gold-black was deposited on commercial thin-film solar cells using a thermal evaporator in a nitrogen ambient at pressures …


Genetically Modified Es Cells Enhance Cardiac Repair And Regeneration In The Infarcted Heart, Carley E. Glass Jan 2011

Genetically Modified Es Cells Enhance Cardiac Repair And Regeneration In The Infarcted Heart, Carley E. Glass

Electronic Theses and Dissertations

Transplanted embryonic stem (ES) cells following myocardial infarction (MI) contribute to limited cardiac repair and regeneration with improved function. Therefore novel strategies are still needed to enhance the efficacy by which ES cells differentiate into cardiac cell types and inhibit adverse remodeling in the infarcted myocardium. Our studies evaluate whether genetic manipulation of transplanted ES cells employing miR- 1, a pro-cardiac microRNA, and TIMP-1, an anti-apoptotic and anti-fibrotic protein, will enhance cardiac myocyte differentiation, inhibit native cardiac apoptosis, and reduce fibrosis in the infarcted myocardium. Furthermore, we assess levels of associated pro- (caspase-3, PTEN) and anti-(Akt) apoptotic proteins as well …


The Relative Recoverability Of Dna And Rna Profiles From Forensically Relevant Body Fluid Stains, Charly Parker Jan 2011

The Relative Recoverability Of Dna And Rna Profiles From Forensically Relevant Body Fluid Stains, Charly Parker

Electronic Theses and Dissertations

Biological material (fluids or tissues) whether from the victim or suspect is often collected as forensic evidence, and methods to obtain and analyze the DNA found in that material have been well established. The type of body fluid (i.e. blood, saliva, semen, vaginal secretions, and menstrual blood) from which the DNA originated is also of interest, and messenger RNA typing provides a specific and sensitive means of body fluid identification. In order for mRNA profiling to be utilized in routine forensic casework, RNA of sufficient quantity and quality must be obtained from biological fluid stains and the methods used for …


Modeling Carbon Allocation, Growth And Recovery In Scrub Oaks Experiencing Aboveground Disturbance, Troy J. Seiler Jan 2011

Modeling Carbon Allocation, Growth And Recovery In Scrub Oaks Experiencing Aboveground Disturbance, Troy J. Seiler

Electronic Theses and Dissertations

Allocation of assimilated carbon amongst plant metabolic processes and tissues is important to understanding ecosystem carbon cycles. Due to the range of spatio-temporal scales and complex process interactions involved, direct measurements of allocation in natural environments are logistically difficult. Modeling approaches provide tools to examine these patterns by integrating finer scale process measurements. One such method is root:shoot balance, where plant growth is limited by either shoot activity (i.e. photosynthesis) or root activity (i.e. water and nutrient uptake). This method shows promise for application on frequently disturbed systems which perturb aboveground biomass and thus create imbalances in root and shoot …


Variational Embedded Solitons, And Traveling Wavetrains Generated By Generalized Hopf Bifurcations, In Some Nlpde Systems, Todd Blanton Smith Jan 2011

Variational Embedded Solitons, And Traveling Wavetrains Generated By Generalized Hopf Bifurcations, In Some Nlpde Systems, Todd Blanton Smith

Electronic Theses and Dissertations

In this Ph.D. thesis, we study regular and embedded solitons and generalized and degenerate Hopf bifurcations. These two areas of work are seperate and independent from each other. First, variational methods are employed to generate families of both regular and embedded solitary wave solutions for a generalized Pochhammer PDE and a generalized microstructure PDE that are currently of great interest. The technique for obtaining the embedded solitons incorporates several recent generalizations of the usual variational technique and is thus topical in itself. One unusual feature of the solitary waves derived here is that we are able to obtain them in …


Translocation Of The Cholera Toxin A1 Subunit From The Endoplasmic Reticulum To The Cytosol, Michael Prentice Taylor Jan 2011

Translocation Of The Cholera Toxin A1 Subunit From The Endoplasmic Reticulum To The Cytosol, Michael Prentice Taylor

Electronic Theses and Dissertations

AB-type protein toxins such as cholera toxin (CT) consist of a catalytic A subunit and a cell-binding B subunit. CT proceeds through the secretory pathway in reverse, termed retrograde trafficking, and is delivered to the endoplasmic reticulum (ER). In order for the catalytic A1 subunit to become active it must separate from the rest of the holotoxin, and this dissociation event occurs in the ER lumen. CTA1 assumes an unfolded conformation upon dissociation from the holotoxin and is recognized by ERassociated degradation (ERAD), a quality control system that recognizes and exports misfolded proteins to the cytosol for degradation by the …


Graduated Students With Autism Spectrum Disorders And Their Parents Lived Experiences In Public High School, Karen F. Uhle Jan 2011

Graduated Students With Autism Spectrum Disorders And Their Parents Lived Experiences In Public High School, Karen F. Uhle

Electronic Theses and Dissertations

With a dramatic increase in the prevalence of students with autism spectrum disorders (ASD), including those with high-functioning autism and Asperger's syndrome, educators are challenged to meet the educational needs of a complex and widely diverse group of exceptional learners. The focus of this research was to gain insight into the experiences of the graduated student with autism and his/her parent(s) during the student's time in public school. This study had three research questions: 1) What were the lived experiences of students with ASD who graduated from an urban public high school in the southeast United States?; 2) What were …


The Study Of Three Different Layered Structures As Model Systems For Hydrogen Storage Materials, Muzaffer Tonguç Öztek Jan 2011

The Study Of Three Different Layered Structures As Model Systems For Hydrogen Storage Materials, Muzaffer Tonguç Öztek

Electronic Theses and Dissertations

The strength and success of the hydrogen economy relies heavily on the storage of hydrogen. Storage systems in which hydrogen is sequestered in a solid material have been shown to be advantageous over storage of hydrogen as a liquid or compressed gas. Many different types of materials have been investigated, yet the desired capacity and uptake/release characteristics required for implementation have not been reached. In this work, porphyrin aggregates were investigated as a new type of material for hydrogen storage. The building blocks of the aggregates are porphyrin molecules that are planar and can assume a face to face arrangement …


College Science Teachers' Inquiry Beliefs And Practices In The Science Classroom, Janet L. Bisogno Jan 2011

College Science Teachers' Inquiry Beliefs And Practices In The Science Classroom, Janet L. Bisogno

Electronic Theses and Dissertations

The purpose of the study was to examine college science professors’ beliefs regarding the use of inquiry in the college science classroom, how these beliefs impacted their instructional choices and how these beliefs were enacted in the classroom. Additional questions were how teachers’ beliefs vary across institution types (community college, private, four year college, and large research institution), and how beliefs vary across disciplines (life sciences and physical sciences). A case study design was required for this study due to the complexity of the topic and different data sources needed to answer the fore stated research questions. These data sources …


The Relationship Between Principal Reported Instructional And Organizational Practices Of Title I Elementary Schools And Adequate Yearly Progress, Marsha Bur Jan 2011

The Relationship Between Principal Reported Instructional And Organizational Practices Of Title I Elementary Schools And Adequate Yearly Progress, Marsha Bur

Electronic Theses and Dissertations

This study examined the practices of Title I elementary school principals in the state of Florida for the school year 2009 - 2010. Elementary school principals in six Florida school districts responded to a survey to determine the extent of implementation of instructional and organizational practices identified by research to improve instruction and learning. The practices (sub-constructs) examined were identified as curriculum, instruction, assessment, educational agenda (vision, mission, beliefs, goals), leadership for school improvement, community building, and culture of continuous improvement. The results of this study indicated that participating Florida Title I principals believed that they were implementing effective instructional …