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Association Between Polymorphisms Associated With Major Depression, Cognitive Function, And Stress Regulation And Telomere Length In Older Community-Dwelling Adults And In Older Competitive Athletes, Cynthia Elizabeth Perry Mar 2016

Association Between Polymorphisms Associated With Major Depression, Cognitive Function, And Stress Regulation And Telomere Length In Older Community-Dwelling Adults And In Older Competitive Athletes, Cynthia Elizabeth Perry

Theses and Dissertations

Many factors detrimental to healthy aging have been proposed including depression, stress, cognitive decline, and telomere shortening. Of specific interest are the genetic factors that may contribute to these factors and subsequently lead to accelerated telomere shortening and aging, namely the Bcl1, 5-HT, DRD2, and ApoE polymorphisms. We sought to: 1) further clarify the role of depression, stress tolerance, and cognitive decline in aging by examining the effect of associated polymorphisms (Bcl1, 5-HT, DRD2, and ApoE) on telomere length in two samples of older adults and 2) determine the difference in absolute telomere length between the two groups. We examined …

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14-3-3Ζ Regulation Of Metastasis Through Mediation Of Liprin-Α And Liprin-Β, Rachel Hynes Mar 2016

14-3-3Ζ Regulation Of Metastasis Through Mediation Of Liprin-Α And Liprin-Β, Rachel Hynes

Theses and Dissertations

Cancer is a set of varied and diverse diseases that share common characteristics, such as active proliferation, increased replicative potential, and tissue invasion or metastasis. One protein, 14-3-3ζ, is shown to be upregulated in a number of different cancers and also correlates with poor patient prognosis, recurrence, and mortality. This protein comes from a family of adapter proteins known for their scaffolding ability, pro- and anti-oncogenic capabilities, and affinity for phosphorylated substrates. It has been shown previously to participate in cancer progression, subversion of apoptosis, and to increase chemoresistance. Herein we will discuss the ability of 14-3-3ζ to promote distant-site …

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Polymer Coated Urea In Kentucky Bluegrass, Jessica Chelise Buss Mar 2016

Polymer Coated Urea In Kentucky Bluegrass, Jessica Chelise Buss

Theses and Dissertations

Nitrogen (N) is the most commonly over-applied nutrient in urban environments because of the large visual and growth increases. This over-application has led to an increase in the loss of N gas in the forms of ammonia and nitrous oxide, as well as an increase in nitrate leaching to surface and groundwater. Furthermore, excess N results in increased maintenance costs and landfill volume due to increased shoot growth from mowed clipping removal. Polymer coated urea (PCU) has proven to be an excellent source to these losses of N to the environment, but rate and timing parameters need study. A two-year …

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Art From The Macchiaioli To The Futurists: Idealized Masculinity In The Art Of Signorini And Balla, Melissa Ann Bush Mar 2016

Art From The Macchiaioli To The Futurists: Idealized Masculinity In The Art Of Signorini And Balla, Melissa Ann Bush

Theses and Dissertations

Beginning around 1850, Italians found themselves in the midst of an identity crisis. Europeans in France and England had surpassed Italians in terms of political, economic, and social progress. Italians seemed trapped in the past, clinging to their magnificent artistic heritage. However, new cultural and social movements were on the rise in Italy that attempted to throw off the domination of other European entities and forge a promising future for Italy. The Macchiaioli, a group of Italian modern artists who painted from 1853 to 1908, were the first group to address contemporary social issues such as class struggle and national …

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Examining The Link Between Exercise And Marital Arguments In Clinical Couples, Bailey Alexandra Selland Mar 2016

Examining The Link Between Exercise And Marital Arguments In Clinical Couples, Bailey Alexandra Selland

Theses and Dissertations

This study examines the following research question: Are couples that exercise on a given day more likely to experience fewer and less intense arguments in their relationship that day? Other variables examined include relationship effect, stress level, and argument topics. Participants were 36 couples in a treatment-as-usual setting who completed the Daily Diary of Events in Couple Therapy (DDECT). Results suggested that female hours of exercise were significantly related to increased report of relationship argument intensity for both men and women. Male hours of exercise were not significantly related to any variables, however male daily stress was significantly related to …

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Population Structure, Genetic Diversity, Geographic Distribution, And Morphology Of Two Boechera (Brassicaceae) Parental Species (Boechera Thompsonii And Boechera Formosa) And Of Their Resultant Hybrid Boechera Duchesnensis, Christina Elizabeth Fox Call Mar 2016

Population Structure, Genetic Diversity, Geographic Distribution, And Morphology Of Two Boechera (Brassicaceae) Parental Species (Boechera Thompsonii And Boechera Formosa) And Of Their Resultant Hybrid Boechera Duchesnensis, Christina Elizabeth Fox Call

Theses and Dissertations

Background: Over the relatively short period of its evolutionary history, Boechera (Brassicaceae) has undergone rapid radiation that has produced 70+ morphologically distinct, sexual diploids. However, reproductive isolation has moved more slowly than morphological divergence in this group and the diploids appear to hybridize frequently where they coexist. Boechera duchesnensis appears to be the result of hybridization between its putative parents Boechera thompsonii and Boechera formosa. Objectives: The objectives of this study are to (i) analyze and document genetic diversity patterns in the population structure, - including allelic and heterozygosity frequencies - of B. thompsonii and B. formosa …

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A Qualitative Study Of Women’S Attitudes And Experiences Regarding Body Image And Disordered Eating Behaviors, Natalie Ann Kirtley Mar 2016

A Qualitative Study Of Women’S Attitudes And Experiences Regarding Body Image And Disordered Eating Behaviors, Natalie Ann Kirtley

Theses and Dissertations

The current research study is responding to recent findings wherein, Fischer et al. (2013) report a risk rate based on EAT-26 scores in the range of 9.2% to 10.8% at BYU in comparison to the 15% they found reported in the literature using samples from other college campuses. Risk rates based on BSQ scores were reported in the 27.2% to 31.1% range, which was on par with a risk rate of 28.7% reported at a comparable university (Fischer et al., 2013). Fischer et al. (2013) conclude that while body shape concerns were estimated to be equal to or lower than …

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Towards Dimensionality In Psychosis: A Conceptual Analysis Of The Dimensions Of Psychosis Symptom Severity, Jessica Abigail Carmona Mar 2016

Towards Dimensionality In Psychosis: A Conceptual Analysis Of The Dimensions Of Psychosis Symptom Severity, Jessica Abigail Carmona

Theses and Dissertations

Given the heterogeneity of symptoms allowed in the diagnosis of psychotic disorders, as well as other challenges of categorical diagnosis (e.g., First et al., 2002; Krueger, 1999), the increased specificity brought by dimensional ratings of underlying features is often important. Models using the factorial structure of psychotic symptoms perform as good as or better than traditional categorical models (Allardyce, Suppes, & Van Os, 2007). DSM-5 has provided such a system of ratings to aid clinicians, the Clinician Rated Dimensions of Psychosis Symptom Severity Scale (PSS; APA, 2013). In this approach, the clinician rates symptom severity in eight domains which emphasize …

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Identification And Characterization Of Serum Biomarkers Associated With Breast Cancer Progression, Adhari Abdullah Alzaabi Mar 2016

Identification And Characterization Of Serum Biomarkers Associated With Breast Cancer Progression, Adhari Abdullah Alzaabi

Theses and Dissertations

Despite the recognized advances in the treatment of breast cancer, it still accounts for 15% of all cancer-related deaths. 90% of breast cancer deaths are due to unpredicted metastasis. There is neither successful treatment for metastatic patients nor a specific test to predict or detect secondary lesions. Patients with primary tumor will be either over-treated with cytotoxic side effects or under-treated and risk recurrence. This necessitates the need for personalized treatment, which is hard to offer for such heterogeneous disease. Obstacles in treating breast cancer metastasis are mainly due to the gaps exist in the understanding of the molecular mechanism …

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Women Community College Presidents: A Qualitative Approach To Exploring Leadership And Overcoming Potential Barriers, Jordan John O'Roark Feb 2016

Women Community College Presidents: A Qualitative Approach To Exploring Leadership And Overcoming Potential Barriers, Jordan John O'Roark

Theses and Dissertations

Since the establishment of American higher education, the presidential profile for institutions has lacked the gender diversity in presidential leadership positions. Though women have taken positive strides as senior executive officers in higher education in the past quarter-century, the conventional post-secondary president is a white, married male with the average age of sixty. Major obstacles lead to the underrepresentation of women as higher education college presidents including the male-dominated culture of higher education leaders and balancing personal and professional commitments. Within all the higher education classifications, community colleges have the highest share of women presidents. As the numbers of women …

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Discovering Adverse Drug Interaction Using Convex Optimization Techniques, Mohammadreza Rezaie Feb 2016

Discovering Adverse Drug Interaction Using Convex Optimization Techniques, Mohammadreza Rezaie

Theses and Dissertations

Healthcare organizations generate massive quantities of data which are often convolved with valuable hidden insights. In order to discover new adverse drug events (ADEs) the data mining techniques are employed extensively, but the computational complexity of the traditional data analytics platforms makes the need to migrate to a scalable analytics platform. The goal in experiments is predicting the possibility of certain interactions given a prescribed set of drugs. In this work, we used Spark platform and MLlib library as an alternative scalable solution that we found them scalable, easy to work with and with reasonable modeling accuracy. We utilized Hadoop …

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Financial Conflict Messages And Marital Satisfaction: The Mediating Role Of Financial Communication Satisfaction, Samantha Josephine Shebib Feb 2016

Financial Conflict Messages And Marital Satisfaction: The Mediating Role Of Financial Communication Satisfaction, Samantha Josephine Shebib

Theses and Dissertations

The current study explores how methods of handling financial disagreements contribute to, or detracts from, marital satisfaction. In addition, satisfaction with communicating about financial obligations in marriage is predicted to contribute to marital satisfaction.

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Analyzing The Leadership Skills Of Nurses Through Mentoring Relationships, Barbara Jean Siwula Feb 2016

Analyzing The Leadership Skills Of Nurses Through Mentoring Relationships, Barbara Jean Siwula

Theses and Dissertations

Mentoring relationships have the ability to create healthier working environments for nurses by encouraging better communication, teaching necessary leadership skills, and creating unity among nurses. In the same respect, mentoring relationships can instill negative habits, creating a cycle of ineffective leadership. Therefore, it is vital mentoring relationships be analyzed to ensure that nurses are being taught effective leadership skills that will lead to a healthy workplace environment. The purpose of this study is to analyze the leadership skills of nurses though mentoring relationships. Data collection consisted of a mixed methods study completed by student, certified and registered nurses from various …

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The Asiatic Clam (Corbicula Fluminea) As A Bio-Monitor For Determining The Distribution Of Antimony, Arsenic And Thallium In The Water Column And Sediments Of Manadas Creek, Laredo, Texas, Natasha Garcia Feb 2016

The Asiatic Clam (Corbicula Fluminea) As A Bio-Monitor For Determining The Distribution Of Antimony, Arsenic And Thallium In The Water Column And Sediments Of Manadas Creek, Laredo, Texas, Natasha Garcia

Theses and Dissertations

Manadas Creek is an urban tributary of the Rio Grande that flows past a decommissioned antimony smelter. This smelter is associated with the heavy metal contamination in the creek and still poses a threat to the surrounding aquatic environment. With concerns on the rise of metal pollution, the biomonitor, the Asiatic clam (Corbicula fluminea) was used to determine bioaccumulation from the water column and sediments in Manadas Creek. The metals arsenic (As), antimony (Sb) and thallium (Tl) were analyzed in the water, sediments, gills, mantle, foot, digestive (DI) tract, gonads and shell of clams collected from sites between March to …

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A Hybrid Approach To Simultaneous Localization And Mapping In Indoors Environment, Amr Morssy Feb 2016

A Hybrid Approach To Simultaneous Localization And Mapping In Indoors Environment, Amr Morssy

Theses and Dissertations

This thesis will present SLAM in the current literature to benefit from then it will present the investigation results for a hybrid approach used where different algorithms using laser, sonar, and camera sensors were tested and compared. The contribution of this thesis is the development of a hybrid approach for SLAM that uses different sensors and where different factors are taken into consideration such as dynamic objects, and the development of a scalable grid map model with new sensors models for real time update of the map.The thesis will show the success found, difficulties faced and limitations of the algorithms …

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Introducing Entrepreneurship Into The Public University Scheme In Egypt, Ahmed Abbas Feb 2016

Introducing Entrepreneurship Into The Public University Scheme In Egypt, Ahmed Abbas

Theses and Dissertations

The overall study of available literature regarding entrepreneurship in Egypt reveals several gaps and barriers in the ecosystem. Human Capital represented in: education institutions, availability of skilled labor, and culture norms come at the forefront. Absence of entrepreneurship in the educational curricula in schools and most universities is a contributing factor of t the lagging entrepreneurship activities. This research investigates, explains and analyzes the existing situation of entrepreneurship, specifically social entrepreneurship in colleges of commerce in Egyptian public universities. Colleges of commerce are chosen for being the natural home of entrepreneurship education. Description and evaluation of the status quo are …

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Determination Of The Antioxidant Activity Of Surface Treated Pet Films Coated With Natural Extracts, Hebatullah Hassan Farghal Feb 2016

Determination Of The Antioxidant Activity Of Surface Treated Pet Films Coated With Natural Extracts, Hebatullah Hassan Farghal

Theses and Dissertations

Food oxidation is one of the major concerns that food producers and consumers face. In that regard, we are developing antioxidant polyethylene terephthalate (PET) filmthat could be employed for packaging fish products. Commercial PET films were surface treated and subsequently coated with either rosemary or clove extracts. Surface treatments involveda) corona treatment and b) chemical modification which are industrial means of surface treatment; Plasma treatment, at laboratory scale, was also used.Radical scavenging activities (RSA) of both pure plant extracts and coated film extractsweremeasured using the 2,2- Diphenyl-1-Picryl Hydrazyl(DPPH) method. Treated films coated with rosemary showed %RSA of 25.6%, 22.4% and …

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Impact Of Global Warming On Dissolved Oxygen Concentrations In River Nile And On The Waste Allocation Plan Of The River (Present And Future Plan), Rawnaa Imam Yassin Feb 2016

Impact Of Global Warming On Dissolved Oxygen Concentrations In River Nile And On The Waste Allocation Plan Of The River (Present And Future Plan), Rawnaa Imam Yassin

Theses and Dissertations

Water is the hub of life and driver of nature. That is why water quality is one of the most important concerns nowadays all over the world. Monitoring and improving water quality is considered as one of the key factors in the water quality management strategies. Water quality is extremely important to all countries and particularly in regions that depend mainly on water as a main source of life, like Egypt. The River Nile is a main source of life in Egypt. As much as water and water quality are of significant importance also climatic change and global warming have …

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Accepting Evolution And Believing In God: How Religious Persons Perceive The Theory Of Evolution, Katherine F. Manwaring Feb 2016

Accepting Evolution And Believing In God: How Religious Persons Perceive The Theory Of Evolution, Katherine F. Manwaring

Theses and Dissertations

Students frequently hold an incorrect view of evolution. There are several potential barriers that prevent students from engaging evolutionary theory including lack of knowledge, limited scientific reasoning ability, and religiosity. Our research provides tools for overcoming barriers related to religiosity and diagnoses the barriers preventing students from fully engaging in learning the theory of evolution. This was a two-part study. The first part of our study addressed two hypothesized barriers to learning evolutionary theory among members of The Church of Jesus Christ of Latter-day Saints (LDS or Mormon): (1) religious views stemming from incorrect understanding of the Church's neutral stance …

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A Model Of Children's Acquisition Of Grammatical Word Categories From Adult Language Input Using An Adaption And Selection Algorithm, Emily Marie Berardi Feb 2016

A Model Of Children's Acquisition Of Grammatical Word Categories From Adult Language Input Using An Adaption And Selection Algorithm, Emily Marie Berardi

Theses and Dissertations

Previous models of language acquisition have had partial success describing the processes that children use to acquire knowledge of the grammatical categories of their native language. The present study used a computer model based on the evolutionary principles of adaptation and selection to gain further insight into children's acquisition of grammatical categories. Transcribed language samples of eight parents or caregivers each conversing with their own child served as the input corpora for the model. The model was tested on each child's language corpus three times: two fixed mutation rates as well as a progressively decreasing mutation rate, which allowed less …

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Fabrication Of Buckypaper With Tailored Porosity For Application In Water Filtration, Ruaa Elnur Feb 2016

Fabrication Of Buckypaper With Tailored Porosity For Application In Water Filtration, Ruaa Elnur

Theses and Dissertations

The rapid development in membrane technologies and their use as a filtration medium have been based on the use and development of new materials to improve system performance. Carbon nanotubes (CNTs) represent a class of promising nanomaterial, exhibiting outstanding mechanical, electrical, thermal conductivity and adsorption properties. The idea of using carbon nanotubes in the separation and filtration industry has been put forward, but constructing macroscopic structures with controlled density, porosity, and morphology has been a challenge. Buckypaper (BP) is a form of CNT film that is being investigated for application in water treatment. In BPs, the CNTs are oriented randomly …

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Environmental Education In Egypt: A Preliminary Assessment, Nouran Assyed Fadl Faragallah Feb 2016

Environmental Education In Egypt: A Preliminary Assessment, Nouran Assyed Fadl Faragallah

Theses and Dissertations

Giving that Egypt is facing serious environmental issues, Egypt needs to raise the public environmental awareness. Effective environmental education is needed to provide students with what is needed for achieving sustainability. This study aims to assess environmental education in formal education in Egypt through two approaches. The first approach is by assessing students' knowledge and attitudes towards environmental concepts. The second approach is by assessing the contribution of environmental policies to implementing environmental education. The study samples were selected from three public schools located in three different cities and villages. The research used qualitative methodology as the investigation was conducted …

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Living A Bare Life: Assembling The Everyday Of Migrant Domestic Work In Cairo, Sabrina Lilleby Feb 2016

Living A Bare Life: Assembling The Everyday Of Migrant Domestic Work In Cairo, Sabrina Lilleby

Theses and Dissertations

This ethnographic study of work in Cairo argues that the laboring lives of migrant domestic workers in this locality are both similar and different to that of other spatial locations. Con- trary to the re-hashed representation in media, this text shows that migrant domestic workers in the Arabic speaking world are not what is often referred to as modern day slaves. Instead, I show how these workers shape and are shaped in accordance with a neoliberal govermentali- ty, through their techniques of managing their affects, bodies and actions. However, regard- less of the increasing focus on training subjects before entering …

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Using A Visitor Based Framework To Observe Engagement In A Children's Museum Makerspace, Sara Mccubbins Feb 2016

Using A Visitor Based Framework To Observe Engagement In A Children's Museum Makerspace, Sara Mccubbins

Theses and Dissertations

Many challenges still exist in finding ways to measure the impact of informal learning environments. Much of the research that does exist is anecdotal in nature and examines engagement by intuition or informal feedback. The purpose of this concurrent mixed methods study was to better understand engagement and learning by converging both quantitative and qualitative data. In the study, an observation protocol was used to measure the engagement levels of children in a museum makerspace, and field notes were collected to explore the context in which this engagement takes place. The observation protocol used in this dissertation was the Visitor …

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Gadaboost: Accelerating Adaboost Feature Selection With Genetic Algorithms, Mai Tolba Feb 2016

Gadaboost: Accelerating Adaboost Feature Selection With Genetic Algorithms, Mai Tolba

Theses and Dissertations

Throughout recent years Machine Learning has acquired attention, due to the abundant data. Thus, devising techniques to reduce the dimensionality of data has been on going. Object detection is one of the Machine Learning techniques which suffer from this draw back. As an example, one of the most famous object detection frameworks is the Viola-Jones Rapid Object Detector, which suffers from a lengthy training process due to the vast search space, which can reach more than 160,000 features for a 24X24 image. The Viola-Jones Rapid Object Detector also uses Adaboost, which is a brute force method, and is required to …

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Computational Fluid Dynamics (Cfd) Study Of Patients Suffering Coarctation Of The Aorta (Coa) For Pre And Post-Operative, Omar Abozaid Feb 2016

Computational Fluid Dynamics (Cfd) Study Of Patients Suffering Coarctation Of The Aorta (Coa) For Pre And Post-Operative, Omar Abozaid

Theses and Dissertations

Coarctation of the aorta (CoA) is a widespread anomaly that occurs a lot in infants. CoA affects the human health. It causes hypertension, decrease in the amount of blood flow and heart failure. CoA is related to abnormal hemodynamics and certain blood flow patterns are noticed. Different surgical techniques are implemented in order to increase the amount of blood flow such resection end-to-end anastomosis, resection end-to-side anastomosis…etc. This research aims at identifying the effect of CoA on the flow pattern and quantification of the improvement after surgery through utilizing computational fluid dynamics (CFD) to solve flow fields in the aorta. …

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Enzymatic Hydrolysis And Ion Exchange Fractionation Of Sulfated Polysaccharides Extracted From Ulva Lactuca And Evaluation Of Their Biological Activity., Nihal Ali Moheib Abdelmoneim Abou El Azm Feb 2016

Enzymatic Hydrolysis And Ion Exchange Fractionation Of Sulfated Polysaccharides Extracted From Ulva Lactuca And Evaluation Of Their Biological Activity., Nihal Ali Moheib Abdelmoneim Abou El Azm

Theses and Dissertations

Sulfated polysaccharides (SPs) were extracted from the green algae, Ulva lacutca. High molecular weight SPs were enzymatically hydrolysed using viscozyme then fractionated into 8 different molecular weight fractions by means of diethyl amino ethyl (DEAE) anion exchange column chromatography. Crude SPs together with the hydrolysate and the 8 column effluent fractions were tested for their carbohydrate, protein and sulfate contents. In addition, their degree of polymerization (D.P.) was estimated and they were characterized by Fourier Transform Infrared Spectroscopy (FTIR). Their antioxidant and antitumor activities were also determined using 2, 2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity and 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyl tetrazolium bromide) (MTT) …

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Russia's Resurgence In Syria: A New Cold War, Lubna Sadek Feb 2016

Russia's Resurgence In Syria: A New Cold War, Lubna Sadek

Theses and Dissertations

After the end of the first Cold War, scholars agreed that the United States became the dominant power in the Middle East. US hegemony created a certain degree of regional stability; titled by some as the “Pax Americana”. However, that stability has ended after the uprisings referred to as the Arab spring. This has been particularly evident since the beginning of Syrian civil war. The US has tried to influence events in Syria but has failed. In contrast, Russia has been actively intervening since the beginning of Syrian civil war; first diplomatically and then military. In this paper I argue …

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Anxious Dwellers: Housing, Labor And The Potentiality Of Tanks In Nahda, Marwa Sabah Feb 2016

Anxious Dwellers: Housing, Labor And The Potentiality Of Tanks In Nahda, Marwa Sabah

Theses and Dissertations

The neoliberal reconfiguration of the Egyptian metropolis of Cairo has rendered the lives of the working poor in informal and destitute urban neighborhoods precarious. Over the past thirty years many of these families and communities have been resettled to new neighborhoods in desert peripheries of the city. This thesis focuses on the everyday lives of women and their networks that have been relocated to Nahda, arguably one of the most targeted neighborhoods in Cairo for relocated and displaced communities. Resettlement is a costly process especially for the working poor who not only have to deal with the physical and emotional …

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Effectiveness Of Noun Phrase Accessibility Hierarchy In Predicting Order Of Difficulty Of Relative Clauses For Afl Learners, Mohamed Amin Feb 2016

Effectiveness Of Noun Phrase Accessibility Hierarchy In Predicting Order Of Difficulty Of Relative Clauses For Afl Learners, Mohamed Amin

Theses and Dissertations

This study investigates the difficulty order of relative clause structures in Arabic second language acquisition by checking the applicability of NPAH to predict such order using data taken from the Arabic Learner Corpus (ALC). In order to examine the hypothesis, quantitative methodology is used to determine the hierarchies of frequency and accuracy of RC structures used in non-native learners’ written and spoken production, and to determine whether L1 transfer affects acquisition order or not. Results reveal that the hierarchy of frequency is different from the hierarchy of accuracy, and both are different from the order suggested in NPAH. Findings support …

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