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2015

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Temporomandibular Joint Ankylosis As A Complication Of Neonatal Septic Arthritis : Report Of Two Cases, Noor J. Al-Saadi, Abdulaziz A. Bakathir, Ahmed K. Al-Ismaili, Mohammad I. Nov 2015

Temporomandibular Joint Ankylosis As A Complication Of Neonatal Septic Arthritis : Report Of Two Cases, Noor J. Al-Saadi, Abdulaziz A. Bakathir, Ahmed K. Al-Ismaili, Mohammad I.

Sultan Qaboos University Medical Journal

Temporomandibular joint (TMJ) ankylosis as a complication of neonatal septic arthritis is rarely reported in the literature. We report two clinical cases of unilateral TMJ ankylosis occurring in paediatric patients subsequent to neonatal septic arthritis. The first case was a 15-month-old male infant who presented to the Sultan Qaboos University Hospital, Muscat, Oman, in May 2010. According to the published English scientific literature, he is the youngest person yet to be diagnosed with this condition. The second case was a five-year-old female who presented to the Al-Nahda Hospital, Muscat, Oman, in October 2011. Both cases presented with facial asymmetry and …


The Changing Pattern Of Hospital Admission To Medical Wards : Burden Of Non-Communicable Diseases At A Hospital In A Developing Country, Sufian K. Noor, Wadie M. Elmadhoun, Sarra O. Ahmed, Mohamed H. Nov 2015

The Changing Pattern Of Hospital Admission To Medical Wards : Burden Of Non-Communicable Diseases At A Hospital In A Developing Country, Sufian K. Noor, Wadie M. Elmadhoun, Sarra O. Ahmed, Mohamed H.

Sultan Qaboos University Medical Journal

Objectives: This study aimed to determine the pattern of hospital admissions and patient outcomes in medical wards at Atbara Teaching Hospital in River Nile State, Sudan. Methods: This retrospective cross-sectional study was conducted from August 2013 to July 2014 and included all patients admitted to medical wards at the Atbara Teaching Hospital during the study period. Morbidity and mortality data was obtained from medical records. Diseases were categorised using the World Health Organization’s International Classification of Diseases (ICD) coding system. Results: A total of 2,614 patient records were analysed. The age group with the highest admissions was the 56‒65-year-old age …


Common Peroneal Nerve Mononeuropathy Due To An Amniotic Constriction Band, Susan Al-Nabhani, Hamdah Al-Abri, Instisar Venugopal, Prabhakaran, Roshan Koul Nov 2015

Common Peroneal Nerve Mononeuropathy Due To An Amniotic Constriction Band, Susan Al-Nabhani, Hamdah Al-Abri, Instisar Venugopal, Prabhakaran, Roshan Koul

Sultan Qaboos University Medical Journal

No abstract provided.


Effectiveness Of Misoprostol For Induction Of First-Trimester Miscarriages : Experience At A Single Tertiary Care Centre In Oman, Qamariya Ambusaidi, Anita Zutshi Nov 2015

Effectiveness Of Misoprostol For Induction Of First-Trimester Miscarriages : Experience At A Single Tertiary Care Centre In Oman, Qamariya Ambusaidi, Anita Zutshi

Sultan Qaboos University Medical Journal

Objectives: Non-invasive methods of inducing a miscarriage are now considered an effective alternative to surgical evacuation (dilatation and curettage). This study aimed to evaluate the effectiveness of misoprostol in the termination of first-trimester miscarriages. Methods: This prospective study was conducted between October 2009 and September 2010 and assessed all patients admitted to the Royal Hospital in Muscat, Oman, for the termination of first-trimester miscarriages during the study period. All patients received misoprostol and the rates of successful termination were measured. Patient satisfaction was assessed using a short questionnaire. Results: A total of 290 women were included in the study. Termination …


Presentations Of Sultan Qaboos University Clinico-Pathologic Conferences Sultan Qaboos University College Of Medicine & Health Sciences And Sultan Qaboos University Hospital, 2014–2015, Sultan Qaboos University Nov 2015

Presentations Of Sultan Qaboos University Clinico-Pathologic Conferences Sultan Qaboos University College Of Medicine & Health Sciences And Sultan Qaboos University Hospital, 2014–2015, Sultan Qaboos University

Sultan Qaboos University Medical Journal

No abstract provided.


Hydrocentric Infants And Their Alchemic Sedimentation: Artfully Binding The Bodily Soul Among Xié River Dwellers Of Northwestern Amazonia, Elizabeth Rahman Nov 2015

Hydrocentric Infants And Their Alchemic Sedimentation: Artfully Binding The Bodily Soul Among Xié River Dwellers Of Northwestern Amazonia, Elizabeth Rahman

Tipití: Journal of the Society for the Anthropology of Lowland South America

No abstract provided.


Ukuo And Täbotü Between The Piaroa Of The Matavén Rainforest In The Colombian Orinoquia, Nelsa De La Hoz Nov 2015

Ukuo And Täbotü Between The Piaroa Of The Matavén Rainforest In The Colombian Orinoquia, Nelsa De La Hoz

Tipití: Journal of the Society for the Anthropology of Lowland South America

No abstract provided.


Characterisation Of Nicotine And Cancer-Enhancing Anions In The Common Smokeless Tobacco Afzal In Oman, Nawal M. Al-Mukhaini, Taher A. Ba-Omar, Elsadig A. Al-Shehi, Aisha H. Nov 2015

Characterisation Of Nicotine And Cancer-Enhancing Anions In The Common Smokeless Tobacco Afzal In Oman, Nawal M. Al-Mukhaini, Taher A. Ba-Omar, Elsadig A. Al-Shehi, Aisha H.

Sultan Qaboos University Medical Journal

Objectives: Afzal is a common smokeless tobacco product (STP) available illegally in Oman. This study aimed to assess pH and moisture levels and determine cancer-enhancing factors in a randomly selected sample of Afzal. Methods: This study was carried out at the Sultan Qaboos University in Muscat, Oman, between April and December 2013. A package of Afzal was purchased from a single provider and divided into samples. The pH and moisture content of the samples were measured according to the protocols of the Centers for Disease Control and Prevention. Gas chromatography-mass spectrometry was used to analyse nicotine levels and ionexchange chromatography …


State V. Freeman Appellant's Brief Dckt. 43116 Nov 2015

State V. Freeman Appellant's Brief Dckt. 43116

Not Reported

No abstract provided.


Software-And Hardware-In-The-Loop Verification Of Flight Dynamics Model And Flight Control Simulation Of A Fixed-Wing Unmanned Aerial Vehicle, Calvin Coopmans, Michal Podhradsk, Nathan V. Hoffer Nov 2015

Software-And Hardware-In-The-Loop Verification Of Flight Dynamics Model And Flight Control Simulation Of A Fixed-Wing Unmanned Aerial Vehicle, Calvin Coopmans, Michal Podhradsk, Nathan V. Hoffer

Mechanical and Aerospace Engineering Faculty Publications

Unmanned aerial system (UAS) use is ever-increasing. In this paper, it is shown that even with low-cost hardware and open-source software, simple numerical testing practices (software- and hardware-in-the-loop) can prove the accuracy and usefulness of an aeronautical flight model, as well as provide valuable pre-flight testing of many situations typically only encountered in flight: high winds, hardware failure, etc. Software and hardware simulation results are compared with actual flight testing results to show that these modeling and testing techniques are accurate and provide a useful testing platform for a small unmanned aerial vehicle. Source code used in simulation is open …


The Eastern Echo, November 23, 2015, Eastern Michigan University Nov 2015

The Eastern Echo, November 23, 2015, Eastern Michigan University

EMU Student Newspaper: The Normal News & The Eastern Echo

No abstract provided.


Engaging Young Fathers In Research Through Photo-Interviewing, Nicolette Sopcak, Maria Mayan, Berna J. Skrypnek Nov 2015

Engaging Young Fathers In Research Through Photo-Interviewing, Nicolette Sopcak, Maria Mayan, Berna J. Skrypnek

The Qualitative Report

Although conducting interviews is the most popular research strategy in qualitative research, we question whether it is the best strategy to use with young fathers and other populations who may be less willing to share personal experiences and thoughts with an unknown researcher. The reluctance of young fathers to engage in research leads to the omission of important perspectives and inadvertently results in young fathers' being understudied and unwittingly excluded from support programming and services. In this paper, we describe our experiences of using two different research strategies with young fathers: conventional in-depth interviews (i.e., interviews that rely on words …


Hardships Of Scarcity: Microsociology On Poor People’S Survival Strategies In Everyday Life, Antonio Rosales Nov 2015

Hardships Of Scarcity: Microsociology On Poor People’S Survival Strategies In Everyday Life, Antonio Rosales

The Qualitative Report

Basic human rights are not met in many parts of the world. Hunger, ill-health, and poor education are often part of the lives of the poor. The purpose of this study is to understand poor people's sources of strength, social relations, sources of income, and perspectives as strategies to cope with poverty in everyday life. Data gathering was done through field observations and semi-structured interviews with poor and non-poor people in the Philippine town, Hagonoy. All data was codified according to recurrent and salient issues and analyzed using chiefly symbolic interactionism as the theoretical framework. The results of this study …


Importance Of The Student Therapist/Athlete Relationship And Goal-Setting In Injury Rehabilitation, Colin Deal, Chris A. Shields Nov 2015

Importance Of The Student Therapist/Athlete Relationship And Goal-Setting In Injury Rehabilitation, Colin Deal, Chris A. Shields

The Qualitative Report

Previous research has highlighted the importance of relationships (e.g., athletic therapist/client) and psychological skill use to manage negative emotions (e.g., frustration, anger) in order to obtain optimal adherence and injury rehabilitation outcomes. However, the relationship between student athletic therapists and varsity athletes has not been examined. Thus, the objective was to examine the relationship between student therapists and varsity athletes and psychological skill use in injury rehabilitation in relation to adherence. Two senior student therapists and three varsity athletes who had completed injury rehabilitation were recruited to participate in semi-structured interviews. Transcripts were analysed using thematic analysis. Both groups of …


Self-Experimenting Physicians : Mavericks Or Martyrs?, Ritu Lakhtakia, Ikram Burney Nov 2015

Self-Experimenting Physicians : Mavericks Or Martyrs?, Ritu Lakhtakia, Ikram Burney

Sultan Qaboos University Medical Journal

No abstract provided.


Echocardiographic Evidence Of Early Diastolic Dysfunction In Asymptomatic Children With Osteogenesis Imperfecta, Khalfan S. Al-Senaidi, Irfan Ullah, Hashim Al-Khabori, Murtadha, Saif Al-Yaarubi Nov 2015

Echocardiographic Evidence Of Early Diastolic Dysfunction In Asymptomatic Children With Osteogenesis Imperfecta, Khalfan S. Al-Senaidi, Irfan Ullah, Hashim Al-Khabori, Murtadha, Saif Al-Yaarubi

Sultan Qaboos University Medical Journal

Objectives: Structural and functional cardiovascular abnormalities have been reported in adults with osteogenesis imperfecta (OI); however, there is a lack of paediatric literature on this topic. This study aimed to investigate cardiovascular abnormalities in children with OI in comparison to a control group. Methods: This case-control study was conducted at the Sultan Qaboos University Hospital in Muscat, Oman, between May 2013 and August 2014. Data from eight patients with OI and 24 healthy controls were compared using conventional and tissue Doppler echocardiography (TDE). Results:The OI group had significantly lower peak early mitral valve flow velocity (P = 0.027), peak a-wave …


Accuracy Of Platelet Counting By Optical And Impedance Methods In Patients With Thrombocytopaenia And Microcytosis, Mohamed-Rachid Boulassel, Raya Al-Farsi, Sulaiman Al-Riyami, Hamad, Hammad Khan, Salam Al-Kindi Nov 2015

Accuracy Of Platelet Counting By Optical And Impedance Methods In Patients With Thrombocytopaenia And Microcytosis, Mohamed-Rachid Boulassel, Raya Al-Farsi, Sulaiman Al-Riyami, Hamad, Hammad Khan, Salam Al-Kindi

Sultan Qaboos University Medical Journal

Objectives: Obtaining accurate platelet counts in microcytic blood samples is challenging, even with the most reliable automated haematology analysers. The CELL-DYN™ Sapphire (Abbott Laboratories, Chicago, Illinois, USA) analyser uses both optical density and electronic impedance methods for platelet counting. This study aimed to evaluate the accuracy of optical density and electrical impedance methods in determining true platelet counts in thrombocytopaenic samples with microcytosis as defined by low mean corpuscular volume (MCV) of red blood cells. Additionally, the impact of microcytosis on platelet count accuracy was evaluated. Methods: This study was carried out between February and December 2014 at the Haematology …


Association Of Angiotensin-Converting Enzyme And Glutathione S-Transferase Gene Polymorphisms With Body Mass Index Among Hypertensive North Indians, Saliha Rizvi, Syed T. Raza, Zeba Abbas, Shania, Farzana Mahdi Nov 2015

Association Of Angiotensin-Converting Enzyme And Glutathione S-Transferase Gene Polymorphisms With Body Mass Index Among Hypertensive North Indians, Saliha Rizvi, Syed T. Raza, Zeba Abbas, Shania, Farzana Mahdi

Sultan Qaboos University Medical Journal

Objectives: This study aimed to examine the association of angiotensin-converting enzyme (ACE) and glutathione S-transferase (GST) gene polymorphisms with body mass index (BMI) in hypertensive North Indians. Methods: This case-control study was carried out between May 2013 and November 2014 at the Era’s Lucknow Medical College & Hospital, Lucknow, India, and included 378 subjects divided into three groups. One group constituted 253 hypertensive individuals (sustained diastolic blood pressure of >90 mmHg and systolic blood pressure of >140 mmHg) who were subcategorised according to normal (<25 kg/m2) or high (≥25 kg/m2) BMI. The third group consisted of 125 age-, gender- and ethnically-matched normotensive controls with a normal BMI. Gene polymorphisms were evaluated by polymerase chain reaction. The genotypic and allelic frequency distribution among both groups were analysed. Results: A significant difference was found between GST theta 1-null and GST mu 1-positive genotype frequencies among the hypertensive overweight/obese individuals and controls (P = 0.014 and 0.033, respectively). However, no difference was observed in the frequency of ACE polymorphisms. ACE insertion/insertion genotype (P = 0.006), insertion and deletion alleles (P = 0.007 each) and GST theta 1-null and GST theta 1-positive genotypes (P = 0.006 each) were found to differ significantly between hypertensive cases and controls, regardless of BMI. Conclusion: ACE and GST gene polymorphisms were not associated with BMI but were significantly associated with hypertension among the studied group of North Indians.


Frequencies Of The Arg16gly, Gln27glu And Thr164ile Adrenoceptor Β2 Polymorphisms Among Omanis, Khalid Al-Balushi, Fahad Zadjali, Sawsan Al-Zadjali, Al-Muatasim, Riad Bayoumi Nov 2015

Frequencies Of The Arg16gly, Gln27glu And Thr164ile Adrenoceptor Β2 Polymorphisms Among Omanis, Khalid Al-Balushi, Fahad Zadjali, Sawsan Al-Zadjali, Al-Muatasim, Riad Bayoumi

Sultan Qaboos University Medical Journal

Objectives: This study aimed to assess the distribution of missense mutations in the adrenoceptor β2 (ADRB2) gene in an Omani cohort. Methods: This study was carried out between May 2014 and March 2015 at the Sultan Qaboos University, Muscat, Oman. Blood samples were taken from 316 unrelated Omani subjects. Genotyping for rs1042713 (c.46A>G, p.Arg16Gly), rs1042714 (c.79C>G, p.Gln27Glu) and rs1800888 (c.491C>T, p.Thr164Ile) polymorphisms was performed by real-time polymerase chain reaction using single nucleotide polymorphism (SNP) genotyping assays. The allelic frequencies of these polymorphisms were estimated on the basis of the observed numbers of specific alleles from the genotype …


Gestational And Pregestational Diabetes Mellitus In Omani Women : Comparison Of Obstetric And Perinatal Outcomes, Adel T. Abu-Heija, Majeda Al-Bash, Mariam Nov 2015

Gestational And Pregestational Diabetes Mellitus In Omani Women : Comparison Of Obstetric And Perinatal Outcomes, Adel T. Abu-Heija, Majeda Al-Bash, Mariam

Sultan Qaboos University Medical Journal

Objectives: The aim of this study was to assess the prevalence of gestational diabetes mellitus (GDM) and pregestational diabetes mellitus (PGDM) among pregnant women in Oman and compare their obstetric and perinatal outcomes. Methods: This retrospective study assessed the obstetric and perinatal outcomes of pregnant Omani women with GDM or PGDM who delivered at the Sultan Qaboos University Hospital in Muscat, Oman, between January 2009 and December 2010. Results: There were a total of 5,811 deliveries during the study period. Of the 5,811 women who gave birth, 639 women were found to have diabetes mellitus (11.0%). A total of 581 …


Evaluation Of Salivary Secretory Immunoglobulin A Levels In Diabetic Patients And Association With Oral And Dental Manifestations, Shahla Kakoei, Bahareh Hosseini, Ali-Akbar Sanjari, Mojgan, Ahmad Gholamhosseinian, Vahid Fn Afshar Nov 2015

Evaluation Of Salivary Secretory Immunoglobulin A Levels In Diabetic Patients And Association With Oral And Dental Manifestations, Shahla Kakoei, Bahareh Hosseini, Ali-Akbar Sanjari, Mojgan, Ahmad Gholamhosseinian, Vahid Fn Afshar

Sultan Qaboos University Medical Journal

Objectives: Oral and dental manifestations in diabetic patients can arise due to numerous factors, including elevated salivary secretory immunoglobulin A (s-IgA) levels. This study aimed to evaluate s-IgA concentrations in patients with type 2 diabetes mellitus (T2DM) and to investigate the association between s-IgA levels and oral and dental manifestations of T2DM. Methods: This cross-sectional descriptive study was carried out between October 2011 and September 2012 in Kerman, Iran, and included 260 subjects (128 patients with T2DM and 132 healthy controls). Unstimulated salivary samples were collected from all subjects and s-IgA levels were determined using the immunoturbidimetric method. The oral …


Eosinophilic Pneumonia In A Patient With Bronchial Myiasis : Case Report And Literature Review, Arindom Aich, Suad Al-Ismaili, Fatma A. Al-Wardi, Talal Hm, Quasem Al-Salmi, Hilal Al-Hashami Nov 2015

Eosinophilic Pneumonia In A Patient With Bronchial Myiasis : Case Report And Literature Review, Arindom Aich, Suad Al-Ismaili, Fatma A. Al-Wardi, Talal Hm, Quasem Al-Salmi, Hilal Al-Hashami

Sultan Qaboos University Medical Journal

Pulmonary myiasis is an unusual form of myiasis in humans and has been recently identified as a cause of eosinophilic pneumonia. We report the case of a 13-year-old Omani boy who presented to the Royal Hospital, Muscat, Oman, in October 2014 with respiratory distress. Bronchial aspirates revealed features of eosinophilic pneumonia. Possible larvae identified in the cytology report, a high immunoglobulin E level and the patient history all indicated bronchial myiasis. The patient was treated with steroids and ventilation and has since been diseasefree with no long-term side-effects. To the best of the authors’ knowledge, this is the first case …


Primary Endometrial Squamous Cell Carcinoma In Situ : Report Of A Rare Disease, Sujata Jetley, Zeeba S. Jairajpuri, Mohammad J. Madaan, Garima, Reena Jain Nov 2015

Primary Endometrial Squamous Cell Carcinoma In Situ : Report Of A Rare Disease, Sujata Jetley, Zeeba S. Jairajpuri, Mohammad J. Madaan, Garima, Reena Jain

Sultan Qaboos University Medical Journal

Squamous cell carcinoma (SCC) of the endometrium, whether primary or secondary to cervical cancer, is a rare entity. Primary endometrial squamous cell carcinoma in situ is even more uncommon; it usually occurs in postmenopausal women and has a strong association with pyometra. We report a 60-year-old multiparous postmenopausal woman who presented to the Hakeem Abdul Hameed Centenary Hospital, New Delhi, India, in May 2014 with a lower abdominal swelling corresponding in size to a pregnancy of 26 gestational weeks and vaginal discharge of one year’s duration. A total abdominal hysterectomy with a bilateral salpingooophorectomy was performed, which revealed an enlarged …


Twin Pregnancy With A Complete Hydatidiform Mole And A Coexisting Live Fetus : Rare Entity, Shahila Sheik, Nihal Al-Riyami, Namitha R. Al-Sukaiti, Rashid, Asim Qureshi, Mariam Mathew Nov 2015

Twin Pregnancy With A Complete Hydatidiform Mole And A Coexisting Live Fetus : Rare Entity, Shahila Sheik, Nihal Al-Riyami, Namitha R. Al-Sukaiti, Rashid, Asim Qureshi, Mariam Mathew

Sultan Qaboos University Medical Journal

A hydatidiform mole with a coexisting live fetus is a rare occurrence and the optimal management for this condition is not yet known. We report the case of a 32-year-old woman (gravida 3, para 2) who presented to the Sultan Qaboos University Hospital, Muscat, Oman, in March 2012 at 13 gestational weeks with abdominal pain and vaginal bleeding. An ultrasound examination revealed a hydatidiform mole pregnancy coexisting with a live fetus. After extensive counselling, the patient and her husband opted for a conservative management approach. Unfortunately, a hysterotomy had to be performed at 17 gestational weeks due to severe haemorrhage. …


Magnetic Resonance Imaging Abnormalities In A Child With Acute Cerebellitis, Roshan Koul, Anwar Hm Al-Omairi, Rana A. Mani, Renjith, Dilip Sankhla Nov 2015

Magnetic Resonance Imaging Abnormalities In A Child With Acute Cerebellitis, Roshan Koul, Anwar Hm Al-Omairi, Rana A. Mani, Renjith, Dilip Sankhla

Sultan Qaboos University Medical Journal

No abstract provided.


Resource Recovery Through Halophyte Production In Marine Aquaponics: An Evaluation Of The Nutrient Cycling And The Environmental Sustainability Of Aquaponics, Suzanne Boxman Nov 2015

Resource Recovery Through Halophyte Production In Marine Aquaponics: An Evaluation Of The Nutrient Cycling And The Environmental Sustainability Of Aquaponics, Suzanne Boxman

USF Tampa Graduate Theses and Dissertations

Aquaculture, the farming of aquatic animals and plants, is an important component of global food production, which supplies a nutritious protein source for millions of people. Interest in improving the sustainability of aquaculture has led to the development of aquaponics in which fish production is combined with plant production to create zero-discharge systems. A need for more fundamental science and engineering research on marine aquaculture and growing interest in production of halophytes motivated this novel research on marine aquaponics. One objective was to evaluate the growth and nutrient removal capacity of halophytes in marine aquaponics. Bench-scale studies were conducted to …


Playing The 'Blame Game': Accounting And The Construction Of Disruptive Behaviour In Family Interviews, G Blanchard, Tc Auburn, R Dallos Nov 2015

Playing The 'Blame Game': Accounting And The Construction Of Disruptive Behaviour In Family Interviews, G Blanchard, Tc Auburn, R Dallos

More Faculty of Health Research

Systemic conceptualisations suggest that family processes which involve blaming and holding the child accountable for their behaviour play an important role in the maintenance of disruptive behaviour problems. Discourse analytic work in family therapy settings has shown that accountability for the family’s reported problems is a key concern for family members. This study used a conversation analytic (CA) approach to examine family members’ accounts of child disruptive behaviour. The two participating families were both engaged in family therapy for disruptive behaviour problems. Each family participated in a family interview which was recorded and transcribed according to CA principles. The analysis …


Curb Your Enthusiasm For Pigovian Taxes, Victor Fleischer Nov 2015

Curb Your Enthusiasm For Pigovian Taxes, Victor Fleischer

Faculty Scholarship

Pigovian (or “corrective”) taxes have been proposed or enacted on dozens of harmful products and activities: carbon, gasoline, fat, sugar, guns, cigarettes, alcohol, traffic, zoning, executive pay, and financial transactions, among others. Academics of all political stripes are mystified by the public’s inability to see the merits of using Pigovian taxes more frequently to address serious social harms, some even calling for the creation of a “Pigovian state.”

This academic enthusiasm for Pigovian taxes should be tempered. A Pigovian tax is easy to design—as a uniform excise tax—if one assumes that each individual causes the same amount of harm with …


The Impact Of Technology-Enhanced Learning Activities On Nursing Student Engagement In The Classroom, Alicia A. Stone Nov 2015

The Impact Of Technology-Enhanced Learning Activities On Nursing Student Engagement In The Classroom, Alicia A. Stone

Theses & Dissertations

Educating student nurses in the present environment requires professors to stay current with new methodologies as well as innovations in technology. The question is how to address both the impact of technology and the skills of clinical reasoning, and keep the students involved in the material. If there can be integration of each aspect through the use of technology-enhanced learning activities on the internet and preparation to approach the issue, then perhaps this can increase success. This is a quasi-experimental intervention study that explored the impact of a case study blogging assignment on the engagement of students enrolled in a …


The Impact Of Pedagogical Agents' Conversational Formality On Learning And Learner Impressions, Haiying Li Nov 2015

The Impact Of Pedagogical Agents' Conversational Formality On Learning And Learner Impressions, Haiying Li

Electronic Theses and Dissertations Archive

The dissertation examined the impact of agents' conversational formality on the learning of summarization skills and learner impressions in an intelligent tutoring system (ITS) with trialogues (a teacher agent, a student agent, and a human learner). Formal language is in the informational genre (as opposed to narrative) and increases with word abstractness, syntactic complexity, referential cohesion, and deep cohesion. At the other end of the continuum, informal discourse tends to have concrete words, simple syntax, low cohesion (because knowledge-based inferences can fill the gaps), and high narrativity. There have been no experimental investigations that have maniputed teacher language because it …