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Articles 1 - 30 of 1934
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A Study Of The Integration Of Communicative Competence (Cc) Features In Teaching The Oral Skills (Listening And Speaking) To English Majors At The Department Of English, University Of Benghazi/ Libya, Issa Amerife Bldiar
Electronic Theses and Dissertations
Since its advent in the 1970s, the notion of communicative competence (CC) has a tremendous influence on English language teaching, trends, theories, models, and paradigms. Since the 1970s, applied linguists, second language acquisition (SLA) researchers and educationalists have accepted the notion of communicative competence (CC) as the underpinning theory of second language acquisition, the objective of communicative language teaching approach (CLT), and as a measurement of language learner’s proficiency. The purpose of this study was to investigate the inclusion, teaching and testing of the features of the notion of communicative competence (CC) in teaching the oral skills to the English …
Investigating Catalysis Through Quantum Mechanical Computations: An Analysis Of Phosphoryl Transfer Enzymes And Ccc-Nhc Pincer Complexes, Katherine Nicholls Leigh
Investigating Catalysis Through Quantum Mechanical Computations: An Analysis Of Phosphoryl Transfer Enzymes And Ccc-Nhc Pincer Complexes, Katherine Nicholls Leigh
Electronic Theses and Dissertations
Chemical reactions are essential to the world we experience. Certain chemical reactions, though beneficial, occur at rates too slow to be practical. Catalysis, or the use of another species to increase the rate of a chemical reaction, is often utilized, allowing chemical reactions to become more beneficial. Catalysts increase reaction rates by lowering the amount of energy required to perform a reaction. Catalysis is abundant, as evidenced in nature in the form of enzymes, or in a myriad of non-biological processes such as chemical manufacturing and pharmaceutical materials. Phosphoryl transfer is a fundamental step in numerous processes central to life, …
An Examination Of Teachers' Perception Of Evaluation And It Relationship To Teacher Leadership, School Decision-Making, And Professional Intentions, Calvin Lacy
Electronic Theses and Dissertations
The purpose of this study was to examine how teachers perceive the quality of their evaluations and the relationship of these perceptions to others involving their sense of themselves as "teachers leaders," their self-assessed level involvement in various types of school decisions, and their future intentions as pedagogical "stayers" or "leavers". The perceptions of these teachers will be compared gto individual outcomes, i.e. teacher leadership, school-decision making and professional intentions. The importance of their perceptions and the impact it can have on teachers' intentions to leave or remain in the profession are tantamount to stabilizing the profession in the 21st …
Food Purchasing Habits Of Participants In The Supplemental Nutrition Assistance Program (Snap) Among Shelby County, Tennessee Residents, Michelle Ann Miller
Food Purchasing Habits Of Participants In The Supplemental Nutrition Assistance Program (Snap) Among Shelby County, Tennessee Residents, Michelle Ann Miller
Electronic Theses and Dissertations
The supplemental Nutrition Assistance Program (SNAP) is a government entitlement program that provides monetary assistance for participants to consistently acquire adequate food. Many unanswered questions remain regarding nutrition quality of SNAP purchases. Eighty-four SNAP participants were surveyed at food pantries throughout Shelby County, TN to obtain a descriptive analysis of participant purchasing habits. The majority of households received $150 or less per month in benefits, which were spent most frequently at convenience stores (n=42) and in bakeries/delis (n=44). 77% (n=65) of participants reported experiencing times while utilizing SNAP benefits where there was not enough food to feed his/her family. Meat …
An Investigation Of The Perceptions Of Elementary And Middle School Teachers Regarding Their Participation In Distributed Leadership And Decision Making, Virginia Meadows Mcneil
An Investigation Of The Perceptions Of Elementary And Middle School Teachers Regarding Their Participation In Distributed Leadership And Decision Making, Virginia Meadows Mcneil
Electronic Theses and Dissertations
The purpose of this study was to explore the extent to which elementary and middle school teachers perceived they were being treated as leaders at their schools and were being provided with a substantial role in making school decisions. With respect to their perceived leadership status, elementary and middle school teachers differed only in their assessment of the effectiveness of teacher leadership at their institutions, with elementary teachers offering statistically significant but only slightly more positive ratings than their middle-level counterparts (x²(1) = 6.30, p = .012, ø = -0.04). In examining the perceptions of subgroups of elementary and middle …
Teacher Perceptions Of Strategies And Practices That Motivate African American Adolescent Males With Individual Education Program To Read, Shawneice Tashae Malone
Teacher Perceptions Of Strategies And Practices That Motivate African American Adolescent Males With Individual Education Program To Read, Shawneice Tashae Malone
Electronic Theses and Dissertations
The purpose of this study was to explore teachers' perceptions of African American males with an Individual Education Program (IEP), literacy motivations to assist teachers in augmenting students' self efficacy and literacy competence. The theoretical framework was derived from the expectancy theory of motivation which places emphasis on individual perceptions and the interactions that follow as a consequence of personal expectations. The researcher used a survey to determine which strategies teachers believe to be most motivational for high school African American males receiving a special education to read. The survey included 27 motivational strategies and practices acquired from previous studies …
Lion Tales: The Impact Of Educational Policy Discourse On The Perpetuation Of The Perception Of African American Academic Underachievement, Marshetta Shavon Brazley
Lion Tales: The Impact Of Educational Policy Discourse On The Perpetuation Of The Perception Of African American Academic Underachievement, Marshetta Shavon Brazley
Electronic Theses and Dissertations
Academic achievement for African American students has remained consistently low over time. Some researchers cite the disintegration of the black family as the cause. Others have argued that IQ is largely influenced by genetics, and that African Americans are genetically predisposed to be less intelligent than other races. One researcher traces the socio-historical connection between the institution of slavery and the current inequality inherent in the American education system. He also contends that the differences between African American culture and mainstream culture are so great that they adversely impact African American academic achievement. The purpose of the critical comparative discourse …
Mitigation Of Decubitus Ulcers By Moisture Reduction In Bedridden Catheterized Patients, Kory A. Robinson
Mitigation Of Decubitus Ulcers By Moisture Reduction In Bedridden Catheterized Patients, Kory A. Robinson
Electronic Theses and Dissertations
In today's society, decubitus ulcers are a serious and very common medical condition. Yet, they constitute a major complication threatening indiviuals in hospitals, nursing homes and family homecare environments. Decubitus ulcers usually represent a major burden of care and reduces the quality of life considerably for patients, as well as their care givers. Ironically, most patients develop decubitus ulcers after an extended stay in a hopital or acute care facilities. Decubitus ulcers present challenges to the healthcare industry because they are associated with increased risks of baterial infections, longer hospital stays and higher hospitialization costs. The purpose of this thesis …
The New Female Inmate: What Is Influencing The Trend Toward The Incarceration Of College-Educated Females And What Does This Mean For The Stability Of American Families?, Marquetta Rena Nebo
The New Female Inmate: What Is Influencing The Trend Toward The Incarceration Of College-Educated Females And What Does This Mean For The Stability Of American Families?, Marquetta Rena Nebo
Electronic Theses and Dissertations
In the United States, the female prison population growth has far outpaced the male growth in the past quarter century. In 2010, over 200,000 females were behind bars, most of them being mothers and uneducated (Owen, 2010). Consequently, more than half of the states have been sued to provide women with services equal to those provided to male inmates such as vocational and postsecondary programs (Morash, Bynum, & Koons, 1998). In Ohio, research indicated that postsecondary education had a more positive effect on female offenders than their male counterparts (Shuler, 2002). Today, there is a new trend of college-educated female …
Substance-Free Reward Among College Nonmedical Prescription Opioid Users, Lidia Z. Meshesha
Substance-Free Reward Among College Nonmedical Prescription Opioid Users, Lidia Z. Meshesha
Electronic Theses and Dissertations
Nonmedical use of prescription opioids among college students is an underinvestigated phenomenon. Few studies have examined the etiology or factors associated with nascent prescription opioid misuse. The current investigation assessed substance-free activity reinforcement, activitiy engagement, and anhedonia in a sample of 54 college students who reported nonmedical use of prescription opioids compared to demographically similar controls. Self-reported substance-free sexual reinforcement measures indicated that opioid use was associated with greater substance-free sexual reinforcement. Behavioral choice measures indicated that opioid users chose to view drug-related images at a higher rate than drug-free images. Although there were no group differences on self-reported anhedonia …
Automated Speech Act Classification In Tutorial Dialogue, Borhan Samei
Automated Speech Act Classification In Tutorial Dialogue, Borhan Samei
Electronic Theses and Dissertations
Speech act classification is the task of detecting speakers' intentions in discourse. Speech acts are based on the language as action theory according to which when we say something we do something. Speech act classification has various application in natural language processing and dialogue-based intelligent systems. In this thesis, we propose machine learning models for speech act classification that account for both content of the current utterance and context (previous utterances) of dialogue and we present this work on two domains: human-human tutoring sessions and multi-party chat based intelligent tutoring systems. The proposed speech act classification models were trained and …
The Adequacy Of Dietary Essential Fatty Acids In Patients With Phenylketonuria Or Hyperphenylalaninemia: A Retrospective Study, Jessie Ho
Electronic Theses and Dissertations
Objective To investigate if patients diagnosed with phenylketonuria (PKU) or hyperphenylalaninemia (HPA) at the mid-south clinic had adequate essential fatty acid intakes.Design This study compared patients' intakes of linoleic (LA) and alpha-linolenic fatty acids (ALA) with Adequate Intake (AI) within an appropriate age and gender group. Data were gathered from existing food record analyses from MetabolicPro between June 2010 and December 2013. Means and standard deviations for percentage of essential fatty acid intakes were determined. A paired t-test was used to test the hypothesis that the mean intake of LA and ALA were equal. T-tests were performed to examine whether …
The Effects Of Traumatic Stress On Birth Outcomes Of African American And White Women, Larita Rochelle Webb
The Effects Of Traumatic Stress On Birth Outcomes Of African American And White Women, Larita Rochelle Webb
Electronic Theses and Dissertations
Preterm birth (PTB), an infant born with less than 37 weeks gestation, and small for gestional age (SGA), a constitutionally small or growth restricted infant, are the leading causes of infant mortality. There is a growing disparity in PTB and SGA by race, with African American women having the highest rates of all racial groups. Accounting for socioeconomic, behavioral and obstetric risk factors has not fully explained the racial disparity in birth outcomes.The goal of this dissertation was to determine if lifetime exposure to traumatic stress, measured by the Traumatic Life Events Questionaire (TLEQ), contributes to the disparity in PTB …
Applying A Behavioral Economic Framework To The Gambling Behavior Of College Students, Matthew Thomas Suda
Applying A Behavioral Economic Framework To The Gambling Behavior Of College Students, Matthew Thomas Suda
Electronic Theses and Dissertations
Behavioral economic theory conceptualizes human behavior as the result of allocating behavioral resources to engage in preferred activities. This framework has been applied sparingly to gambling behavior. The present study sought to reveal the important behavioral economic construct of relative reinforcing value for the activity of gambling by manipulating the value of an alternative reinforcer as well as constraining it’s availability in a sample of college students, a population that consistently shows elevated rates of gambling as well as problematic gambling behaviors. Analyses did not support the hypotheses, as gambling’s reinforcing value was not demonstrated by the experimental manipulations. Implications …
Deepeval: An Integrated Framework For The Evaluation Of Student Responses In Dialogue Based Intelligent Tutoring Systems, Rajendra Banjade
Deepeval: An Integrated Framework For The Evaluation Of Student Responses In Dialogue Based Intelligent Tutoring Systems, Rajendra Banjade
Electronic Theses and Dissertations
The automatic assessment of student answers is one of the critical components of an Intelligent Tutoring System (ITS) because accurate assessment of student input is needed in order to provide effective feedback that leads to learning. But this is a very challenging task because it requires natural language understanding capabilities. The process requires various components, concepts identification, co-reference resolution, ellipsis handling etc. As part of this thesis, we thoroughly analyzed a set of student responses obtained from an experiment with the intelligent tutoring system DeepTutor in which college students interacted with the tutor to solve conceptual physics problems, designed an …
Standard Written English Grammar And Usage In The First-Year Composition Classroom: First-Year Composition Educators' Perspectives, Mary-Gwynne M. Millione
Standard Written English Grammar And Usage In The First-Year Composition Classroom: First-Year Composition Educators' Perspectives, Mary-Gwynne M. Millione
Electronic Theses and Dissertations
A study was conducted to discover how first-year composition (FYC) teachers at large, public, 4-year universities respond to students who write prose with numerous Standard Written English (SWE) errors, the techniques the teachers use, and if the teachers perceive themselves as positively impacting the students’ writing. The researcher believed the teachers’ background (i.e., education and experience) would have an effect. Method: An anonymous survey was sent to FYC teachers at large, public, 4-year universities. A follow-up interview was conducted, and a web search performed. Results: One hundred and twenty-one participants completed the survey; three were interviewed. Over 49% used the …
An Ethnographic Study About The Aspects Of Igbo Culture That Influence Educational Practices Of Female And Male 12th Grade Students In Their Career Choices In Enugu State Schools, Nigeria., Herbert Nnadozie Ene
An Ethnographic Study About The Aspects Of Igbo Culture That Influence Educational Practices Of Female And Male 12th Grade Students In Their Career Choices In Enugu State Schools, Nigeria., Herbert Nnadozie Ene
Electronic Theses and Dissertations
This qualitative study seeks to obtain an in-depth understanding of aspects of Igbo culture that influence educational practices of female and male 12th grade students in their career choices as they approach their graduation from high schools in Enugu State. The study was based upon previous researches that held that Igbo culture limits choice of careers among female 12th grade students in Nigeria. It would answer the overarching question that inquires to explore those aspects of Igbo culture that influence educational practices of female and male 12th grade students in their choice of careers in Enugu State Schools. The research …
Evaluating Weight Status Of Pediatric Oncology Patients: A Pilot Study, Perrin Leanne Tamblyn
Evaluating Weight Status Of Pediatric Oncology Patients: A Pilot Study, Perrin Leanne Tamblyn
Electronic Theses and Dissertations
Overall 5-year survival rates for children with cancer have improved and are above 80%.39 Studies indicate that childhood cancer survivors have an increased risk for being overweight or obese due to treatment-related complications.14 Therefore, the correct assessment of weight status in pediatric oncology patients is important in identifying those patients at risk for being overweight or obesity. Neck circumference, ideal body weight percentage, and body mass index were compared to the Tanita© bioelectrical impedance analyzer measure of body fat in 27 pediatric oncology patients with leukemia and lymphoma. BMI was found to be in better agreement with the BIA than …
Effects Of Macroscopic Heterogeneity On Cardiac Propagation And Termination Of Reentry, Deepika Konakanchi
Effects Of Macroscopic Heterogeneity On Cardiac Propagation And Termination Of Reentry, Deepika Konakanchi
Electronic Theses and Dissertations
Atrial fibrillation (AF) is believed to be a result of uncontrolled and sustained spiral wave reentries. Few recent studies have discussed the effects of the heterogeneous nature of atrial tissue at cellular and microscopic levels, on the electrical activity of the heart and defibrillation of AF; however, the effect of macroscopic patches of heterogeneity in the size ranges 3-8 mm has not been studied. The purpose of this study is to examine the effects of macroscopic patches of heterogeneity on cardiac propagation and termination of reentry in a computationally inexpensive, 2D bidomain model of a sheet of cardiac tissue. Tissue …
Automated Detection Of Cigarette Smoking Puffs From Mobile Sensors - A Multimodal Approach, Amin Ahsan Ali
Automated Detection Of Cigarette Smoking Puffs From Mobile Sensors - A Multimodal Approach, Amin Ahsan Ali
Electronic Theses and Dissertations
Smoking has been conclusively proved to be the leading cause of preventable deaths in the United States. Extensive research is conducted on developing effective smoking cessation programs. Most smoking cessation programs achieve low success rate because they are unable to intervene at the right moment. Identification of high-risk situations that may lead an abstinent smoker to relapse involves discovering the associations among various contexts that precede a smoking session or a smoking lapse. In the absence of an automated method, detection of smoking events still relies on subject self-report that is prone to failure to report and involves subject burden. …
Can Wearable Sensors Help Assess The Reliability Of Self-Reports In Mobile Health Studies?, Hillol Sarker
Can Wearable Sensors Help Assess The Reliability Of Self-Reports In Mobile Health Studies?, Hillol Sarker
Electronic Theses and Dissertations
Self-report in the form of Ecological Momentary Assessment (EMA) has been the primary instrument to collect measurements from participants in their natural environment. Given numerous sources of biases and inaccuracies in self-report, assessing and improving the reliability of self-report has been the subject of continuing research. However, to date, there exist only limited lab based methods to check the veracity of collected self-report data. Increasing adoption of sensors in field studies that sometimes can passively measure the same phenomena that have been traditionally included in EMA self-report has opened up a new opportunity to assess the reliability of self-reports.In this …
A Screen Printed Electrode For The Characterization Of Cardiac Tissues, Alayne Stewart White
A Screen Printed Electrode For The Characterization Of Cardiac Tissues, Alayne Stewart White
Electronic Theses and Dissertations
A screen-printed electrode (SPE), intended to be used as part of a cardiac mapping system, was fabricated and evaluated to determine if SPEs are a suitable alternative to current electrodes. The SPEs were designed in AutoCAD and screen-printed using silver conductor ink and an insulating paste. Measurements were taken during electrode development to determine how well the design translated to the final printed product. The efficacy of the insulating material used, and the affects of print speed on print quality were also evaluated. Finally, the performance of the SPEs was studied through a stimulating and recording model, as well as …
A Practical Study Of Samuel Barber's Sonata For Cello And Piano, Op. 6, Paul Joseph Vest
A Practical Study Of Samuel Barber's Sonata For Cello And Piano, Op. 6, Paul Joseph Vest
Electronic Theses and Dissertations
This study examines Samuel Barber's Sonata for Cello and Piano, Op. 6, a notable part of the repertoire for cello and piano, and American music in general. Beginning with an overview of Barber's life, further chapters include a formal analysis of the piece, a guide for the cellist's approach in performance, and a discussion of the piece in the context of nationality in the 1930's. Barber's sonata is revealed to be a neo-romantic work, combining aspects of 19th-century romanticism and 20th-century modernism. The role of the cello is found to be lyrical and often vocal, a typical quality in Barber's …
A Comparison Of Biomechanics And Metabolic Cost Among Elliptical Exercise And Running In Runners: Training And Clinical Implications, Stephanie Nicole Chester
A Comparison Of Biomechanics And Metabolic Cost Among Elliptical Exercise And Running In Runners: Training And Clinical Implications, Stephanie Nicole Chester
Electronic Theses and Dissertations
The purpose of this study was to compare hip and knee biomechanical and metabolic differences among elliptical exercises and running in healthy runners. Sixteen participants were tested on three different exercise conditions (treadmill running; TR, standard elliptical; SE, lateral elliptical; LE). Hip and knee kinematic (i.e. angular motion) variables were measured using a motion capture system, and a metabolic system was used to measure metabolic cost (i.e. VO2, caloric cost, RER). Sagittal knee ROM was greater in LE and SE compared to TR. Hip abduction and external rotation ROM were greater in LE compared to SE and TR. Similar metabolic …
Executive Cognitive Functioning And Regulatory Deficits Among Emerging Adult Nonmedical Prescription Opioid Users, Alison Marisa Pickover
Executive Cognitive Functioning And Regulatory Deficits Among Emerging Adult Nonmedical Prescription Opioid Users, Alison Marisa Pickover
Electronic Theses and Dissertations
Nonmedical prescription opioid (NMPO) use is elevated among emerging adults and may be related to deficits in executive cognitive functioning (ECF). This study examined relations between NMPO use, ECF deficits, and "downstream consequences" of poor self- and emotion regulation among emerging adults. Twenty-seven emerging adult NMPO users and 27 matched controls completed measures of ECF (working memory and interference control), self- and emotion regulation, and a clinical interview assessing substance use. NMPO users reported regulation deficits relative to controls, but groups did not differ on ECF measures. Among users, interference control was associated with NMPO use, working memory with alcohol …
Separating Families And Combinatorial Games, Dominik Kim Vu
Separating Families And Combinatorial Games, Dominik Kim Vu
Electronic Theses and Dissertations
This dissertation consists of three results from the domain of extremal combinatorics. While they are all interconnected, we can distinguish two major areas: separating families and combinatorial games. In the following we shall outline them in further detail. Searching is a fundamental tasks inherent to human life both past and present. With the rise of computers and information technology, it was necessary to put all these related tasks into a unified mathematical framework. It fell to Rényi and Katona in the 1960s to pioneer this field. Providing what is nowadays common knowledge about binary search trees, and standard programming approaches …
Temperature-Responsive Injectable Hydrogels: Design, Characterization And Application As Localized Delivery Systems For Drug And Gene Therapy, Daniel Ghirmay Abebe
Temperature-Responsive Injectable Hydrogels: Design, Characterization And Application As Localized Delivery Systems For Drug And Gene Therapy, Daniel Ghirmay Abebe
Electronic Theses and Dissertations
In recent decades, block copolymers have found wide spread interest as drug delivery systems (DDS). Improvements in synthetic techniques, polymer engineering and nanotechnology have made it possible to design and construct a variety of DDS for emerging therapeutics, such as gene therapy. Block copolymer gene carriers have several advantages including improved biocompatibility, higher loading capacity and ease of large-scale production. However, the successful clinical application of these delivery systems has been plagued due to several shortcomings, such as poor stability in biological environment, low loading efficiency of therapeutic agents and relatively high cytotoxicity. The majority investigated block copolymer gene carriers …
Formation, Maintenance, And Dissolution Of Employment Relationships, Jonathan Biggane
Formation, Maintenance, And Dissolution Of Employment Relationships, Jonathan Biggane
Electronic Theses and Dissertations
Much like scholarship on employment relationships, the goal of contemporary research on romantic relationships is to understand the forces that attract partners to one another and the underlying mechanisms that form long-term stable and satisfying unions. The three manuscripts herein integrate these seemingly disparate bodies of literature to address gaps in the turnover literature. First, I proffer positive illusions as a proximal antecedent of voluntary turnover and an answer as to why employees remain in bad employment relationships despite facing shocks, accumulated dissatisfaction, and quality alternatives. Second, I examine the content of exit conversations, identifying how employees approach exit (i.e., …
Cellulose Nanofibers Use In Coated Paper, Finley Richmond
Cellulose Nanofibers Use In Coated Paper, Finley Richmond
Electronic Theses and Dissertations
Cellulose Nanofibers (CNF) are materials that can be obtained by the mechanical breakdown of natural fibers. CNF have the potential to be produced at low cost in a paper mill and may provide novel properties to paper, paper coatings, paints, or other products. However, suspensions have a complex rheology even at low solid contents. To be able to coat, pump, or mix CNF at moderate solids, it is critical to understand the rheology of these suspensions and how they flow in process equipment; current papers only report the rheology up to 6% solids. Few publications are available that describe the …
Cloning And Expression Of A Tobacco Stearoyl-Acp Desaturase Gene Sbip24 And Its Interaction With Sabp2 In Sa Pathway, Amin J. Ferdous
Cloning And Expression Of A Tobacco Stearoyl-Acp Desaturase Gene Sbip24 And Its Interaction With Sabp2 In Sa Pathway, Amin J. Ferdous
Electronic Theses and Dissertations
Salicylic acid binding protein 2 (SABP2) that converts methyl salicylate to salicylic acid (SA) plays an obligatory role in the SA-mediated disease resistance pathway in plants. SABP2 interacts with SBIP24 in a yeast two-hybrid screening. SBIP24 belongs to the stearoyl-acyl carrier protein-desaturase protein family. To biochemically characterize the SBIP24, it was cloned from tobacco leaves using RT-PCR and expressed in E. coli. Recombinant SBIP24 was affinity purified using Ni-NTA chromatography. RT-PCR was performed to determine the role of SABP2 in modulating the expression SBIP24. TMV infected transgenic C3 (control tobacco plant containing empty silencing vector) and 1-2 (SABP2-silenced) …