233 research outputs found

    Song of Little Wolf

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    An Investigation into Teacher Candidates’ Resilience Hopelessness Levels

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    College life is expected to prepare young people for life and to contribute to their being more resilient and hopeful when they face problems. The aim of this study was to investigate whether the levels of resilience and hopelessness differ based on gender, class level, and major variables and whether resilience was a predictor variable of hopelessness for college students. This study was planned as a descriptive one that used the correlational research method. Data of the research was collected from 513 freshmen and senior undergraduate students studying in seven different departments of Ankara University. The Resiliency Scale and Beck Hopelessness Scale were used as data collection tools. An independent sample t-test, one way analysis of variance (ANOVA), Pearson product-moment correlation coefficient and simple linear regression analysis were utilized for data analyses. The results of the study revealed that resilience scores did not show any significant difference across genders but showed significant difference with regards to the students’ class levels. Resilience scores were significant predictors of hopelessness scores. In general, results of the study were observed to be consistent with related literature. Keywords: Resilience, Hopelessness, Teacher Candidat

    Reasons for Enrollment in Open Elementary School and Studentsa Views on Open Elementary School Practices

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    In today s world where the information changes and improves at a great speed societies need individuals who can access more information adapt themselves with this new kind of information and keep up with the pace of changing world In a sense individuals need to renew themselves and have lifelong learning skills beyond basic skills In line with technological developments what the limits of formal education institutions are and whether they meet the needs of the society have been examined The discussions about individuals reflecting their education and learning processes into every aspect of their lives acquiring basic skills regardless of age range and then providing education opportunities at advanced levels have brought forward the practices of open and distance education Open and distance education opportunities enable the individuals to improve their information abilities and qualifications and to provide them with new opportunities within the frame of life-long learning process through learning activities at every moment of life and prepare them for new experiences One of the opportunities of open education is Open Elementary School which aims to develop and strengthen the society by providing the elementary education to the individuals who are over compulsory education age and have not completed their primary education yet This can be done through advanced communication tools and technologies in line with the general purpose and basic principles of Turkish National Education by Ministry of Education Open Elementary School also aims to provide opportunities to the students who could not have enough education opportunities to eliminate their deficiencies to create opportunities to prepare them for the next stage and make them to be able to develop behaviors that will guide them to a profession through contemporary information technologies In this study the reasons of their enrollment in Open Elementary School and the views of the stud

    A Program Implementation for the Development of Life Skills of Primary School 4th Grade Students

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    Life skills are the competencies that an individual must have in order to be able to carry on his/her existence effectively in the process of change. By means of life skills, the individual is aimed to facilitate his/her life by using all his/her achievements in the education process. In this study, a program covering the dimensions of "Communication, Self-recognition, Self-confidence, being able to say “No”, and Problem-Solving Skills" was developed and applied to the students who attended the 4th grade in Gölcük Barbaros Primary School in fall semester of the 2015-2016 academic year. In the study, undergraduate students of Guidance and Psychological Counseling program in Faculty of Education at Kocaeli University also worked as trainers. The trainers were trained by the faculty members in charge of the study. The study was conducted according to the experimental model and a five-session student life skills training program was applied to 247 (126 girls, 121 boys) students. The "Life Skills Assessment Form", which examines the skills aimed to be gained in the process of the project, has been implemented as a pretest-posttest by the teachers and the parents of students. As a result of the analyses made, it has been found that the program applied is effective. In addition, according to the results of evaluation forms taken from the students at the end of each session, the students evaluated the activities as fun, useful, and as activities where they both had fun and learnt. Keywords: Life skills, Communication, Self-recognition, Self-confidence, Problem-Solving Skill

    Investigation of MIMO Communications

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    This project focuses on the background of multiple input multiple output (MIMO) communication and its advantages over the other possible implementations. A background of wireless communication in regards to modulation types, information theory, antenna background and a hardware implementation using a VSA and VSG is provided. The theory is compared and verified with the hardware implementation with regards to the effect of the increase in the number of antennas and the parameter vector error magnitude

    Privacy Considerations when Designing Social Network Systems to Support Successful Ageing

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    A number of interventions exist to support older adults in ageing well and these typically involve support for an active and sociable ageing process. We set out to examine the privacy implications of an intervention that would monitor mobility and share lifestyle and health data with a community of trusted others. We took a privacy-by-design approach to the system in the early stages of its development, working with older adults to firstly understand their networks of trust and secondly understand their privacy concerns should information be exchanged across that network. We used a Johari Windows framework in the thematic analysis of our data, concluding that the social sharing of information in later life carried significant risk. Our participants worried about the social signaling associated with data sharing and were cautious about a system that had the potential to disrupt established networks

    Cardiometabolic risk factors in pediatric kidney transplant recipients

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    Objective: There is an increased risk of obesity and metabolic syndrome among kidney transplant recipients, which adversely affects cardiovascular and renal outcomes in these patients. The present study aims to investigate the prevalence of metabolic syndrome in pediatric kidney transplant recipients and the associations of metabolic syndrome with cardiovascular disease and graft function. Materials and Methods: This cross-sectional, single-center study included 52 kidney transplant recipients (27 males) transplanted before 18 years of age. All subjects underwent a comprehensive assessment that included anthropometric and blood pressure measurements and laboratory tests. Metabolic syndrome was defined based on the recent recommendations of the Pediatric Renal Nutrition Taskforce. Left ventricular hypertrophy was assessed as a risk factor for cardiovascular disease, and estimated glomerular filtration rate was assessed to determine graft function. Results: The median age of patients was 15.9 (13.8;18.4) years, and the median follow-up time was 35.5 (20.0;62;0) months after transplantation. Nineteen patients (36.5%) were obese or overweight, 43 (83%) had hypertension or controlled hypertension, 23 (44%) had dyslipidemia, and 9 (17%) had hyperglycemia. Ten patients (19.2%) were diagnosed with metabolic syndrome. Twenty-eight patients (54%) had left ventricular hypertrophy. The prevalence of left ventricular hypertrophy was higher in patients with metabolic syndrome than in those without metabolic syndrome (90% vs. 45%, P =.014), whereas estimated glomerular filtration rate did not differ between the 2 groups. Conclusion: Cardiometabolic risk factors are common in pediatric kidney transplant recipients. Approximately one-fifth of patients have metabolic syndrome, and left ventricular hypertrophy is much more common among patients with metabolic syndrome. However, there is no relationship between metabolic syndrome and graft dysfunction

    Supernumerary chromosome variation and heterochromatin distribution in the endemic New Zealand frog Leiopelma hochstetteri

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    Specimens of the endemic New Zealand frog Leiopelma hochstetteri from Tapu on North Island were found to have six, nine or ten supernumerary chromosomes in their karyotypes. In comparison with previously published data, these results further indicate probable geographic variation in supernumerary chromosome number between populations. Increased numbers of supernumeraries in these frogs is correlated with apparent decrease of centromeric heterochromatin in the five large metacentric chromosomes of the karyotype, as detected by C-banding. Meiosis was abnormal in a male with a high number of supernumeraries. In lampbrush preparations from a single female with one supernumerary univalent, the supernumerary often had a denser, beaded appearance in comparison with the regular bivalents. Evidence is consistent with the notion that these supernumerary chromosomes may have arisen from centromeric fragments.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/47362/1/412_2004_Article_BF00293180.pd

    Quantification of effects of climate variations and human activities on runoff by a monthly water balance model: A case study of the Chaobai River basin in northern China

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    The Chaobai River basin in northern China consists of two major tributaries, the Chao River and Bai River. Monthly observations of precipitation, streamfiow, and panevaporation data are available for 35 years (1961-1966 and 1973-2001). Using the annual time series of the observed streamfiow, one break point at 1979 is detected and is adopted to divide the data set into two study periods, the "before" and "after" periods marking the onset of significant anthropogenic alteration of the flow (reservoirs and silt retention dams, five times increase in population) and significant changes in land use (conversion to terraced fields versus sloping fields). The distributed time-variant gain model (DTVGM) was used to evaluate the water resources of the area. Furthermore, the Bayesian method used by Engeland et al. (2005) was used in this paper to evaluate two uncertainty sources (i.e., the model parameter and model structure) and for assessing the DTVGM's performance over the Chaobai River basin. Comparing the annual precipitation means over 13 years (1961-1966 and 1973-1979), the means of the second period (1980-2001) decreased by 5.4% and 4.9% in the Chao River and Bai River basins, respectively. However, the related annual runoff decreased by 40.3% and 52.8%, respectively, a much greater decline than exhibited by precipitation. Through the monthly model simulation and the fixing-changing method, it is determined that decreases in runoff between the two periods can be attributed to 35% (31%) from climate variations and 68% (70%) from human activities in the Chao River (Bai River). Thus, human impact exerts a dominant influence upon runoff decline in the Chaobai River basin compared to climate. This study enhances our understanding of the relative roles of climate variations and human activities on runoff. © 2009 by the American Geophysical Union.published_or_final_versio

    Recording the Heart Beat of Cattle using a Gradiometer System of Optically Pumped Magnetometers

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    Monitoring of heart rate has the potential to provide excellent data for the remote monitoring of animals, and heart rate has been associated with stress, pyrexia, pain and illness in animals. However monitoring of heart rate in domesticated animals is difficult as it entails the restraint of the animal (which may in turn affect heart rate), and the application of complex monitoring equipment that is either invasive or not practical to implement under commercial farm conditions. Therefore accurate non-invasive automated remote monitoring of heart rate has not been possible in domesticated animals. Biomagnetism associated with muscle and nerve action provides a promising emerging field in medical sensing, but it is currently confined to magnetically-shielded clinical environments. In this study, we use biomagnetic sensing on commercial dairy cattle under farm conditions as a model system to show proof-of-principle for non-contact magnetocardiography (MCG) outside a controlled laboratory environment. By arranging magnetometers in a differential set-up and using purpose-built low-noise electronics, we are able to suppress common mode noise and successfully record the heart rate, the heart beat intervals and the heart beat amplitude. Comparing the MCG signal with simultaneous data recorded using a conventional electrocardiogram (ECG) allowed alignment of the two signals, and was able to match features of the ECG including the P-wave, the QRS complex and the T-wave. This study has shown the potential for MCG to be developed as a non-contact method for the assessment of heart rate and other cardiac attributes in adult dairy cattle. Whilst this study using an animal model showed the capabilities of un-shielded MCG, these techniques also suggest potentially exciting opportunities in human cardiac medicine outside hospital environments
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