Geleneksel Öğretim ile PowerPoint Sunum Destekli Öğretimin Öğrenci Erişisine Etkisi

This study was carried out to determine the effects of instruction done by traditional instruction methods and computer- supported PowerPoint presentation in teaching on students’ achievement. The study was carried out in Education Faculty of İnönü University during the spring term of 2002-2003 academic year. In the study, pretest/ post- test experimental design with nonequivalent control group was used. The Department of Social Studies Teacher Training selected randomly was defined as the experimental group and the Department of Pre-School Teacher Training was defined as the control group. PowerPoint lecture material consisted of 17 slides. Independent groups t- test was used in the statistical analyses. Between the experimental and the control group, students’ post- test and achievement scores, significant differences were found in favor of the experimental group in which PowerPoint presentation – supported instruction was used.Bu araştırma, Yükseköğretim Programı’nda bulunan İngilizce dersinin öğretiminde, geleneksel öğretim yöntemleri ve bilgisayar destekli PowerPoint sunum materyali ile yapılan öğretimin, öğrencilerin erişileri üzerindeki etkisini belirlemek amacıyla yapılmıştır. Araştırma, 2002-2003 öğretim yılı ikinci döneminde İnönü Üniversitesi Eğitim Fakültesi’nde yürütülmüştür. Araştırmada denk olmayan kontrol gruplu öntest/son-test deneysel desen kullanılmıştır. Seçkisiz atama yoluyla Sosyal Bilgiler Öğretmenliği bölümü deney grubu, Okul Öncesi Öğretmenliği bölümü ise kontrol grubu olarak belirlenmiştir. Hazırlanmış olan PowerPoint ders materyali 17 slayt dizisinden oluşmaktadır. İstatistiksel analizlerde bağımsız gruplar t-testi kullanılmıştır. Deney ve kontrol grubundaki öğrencilerin son-test ve erişi puanları arasında, PowerPoint sunum destekli öğretimin yapıldığı deney grubu lehine anlamlı farklılıklar bulunmuştur

Measuring tactical creativity with the help of divergent thought: Example of TRNC U-21 football teams

This study aims on the assessment of the situations of tactical orientation of 36 young, elite soccer players born in the years 1999-2000-2001, selected between 2 cities, 6 teams which belong to Cyprus Turkish Football Association (Kıbrıs Türk Futbol Federasyonu) in Turkish Republic of Northern Cyprus. This study evaluates the aspects in two ways. In order to evaluate the tactical directed situations, specific tactics and creative performance were measured with respect to Game Test. In case 1, Longitudinal design was carried to analyse intra-individual improvements of elite young football players according to football-specific creativity and tactical game intelligence by using a dynamic performance diagnostic tool. In case 2, cross-sectional design was carried in which objective, valid, differentiative enough to record, tactical indicators were created to measure football-specific creativity and game intelligence as a diagnostic instrument. In both of the studies, different evaluation criteria were spotted and with these criteria, players were scored. According to these scores, divergent tactical thinking results has been obtained. The results according to divergent tactical thinking showed that disparate changes were obtained in between the players of KTFF U-21. As a result, the practical implications for the processes of training has been deeply discussed in both cases

Mean Platelet Volume, Neutrophil Lymphocyte Ratio and Platelet Lymphocyte Ratio to Predict Complications During Postoperative Recovery of High Risk Surgical Patients

Objective:This study sought to define the correlation between the occurrence of the complications and certain blood parameters in high risk surgical patients who were monitored for 24 hours in the intensive care unit postoperatively.Method:Two hundred-fifty seven cases (126 females 131 males; mean age 42.18±8.54 years; range 19-73 years) who were operated on in our hospital and followed up in the intensive care unit for 24 hours were included in this study. The files of all cases included demographic characteristics, erythrocyte count (RBC), leukocyte count (WBC), platelet count (PLT), mean platelet volume (MPV), neutrophil, lymphocyte, neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR), serum blood urea nitrogen (BUN) and creatinine values. Group A consisted of cases that did not develop complications in the first 24 hours, and group B consisted of cases that developed complications in the first 24 hours postoperatively. The blood hemogram parameters RBC, WBC, PLT, MPV, NLO, PLO, and the biochemistry parameters BUN and creatinine were compared between the groups.Results:Preoperative MPV value and postoperative MPV value were significantly higher in group B than group A (p-values 0.038 and 0.045, respectively). In groups A and B, the postoperative MPV value increased significantly compared to the preoperative period (p=0.032, p=0.000, respectively). Preoperative PLR and postoperative PLR values did not differ significantly in groups A and B (p=0.101 and p=0.458, respectively). The postoperative PLR value increased significantly in groups A and B compared to the preoperative period (p=0.000 and p=0.047, respectively) Preoperative and postoperative NLR values in group B were significantly higher than group A (p=0.006 and p=0.025 respectively). In groups A and B, the postoperative NLR value increased significantly compared to the preoperative period (p=0.000 and p=0.006, respectively).Conclusion:In this study, the cases that developed complications had more significant increases in their MPV, NLR, and PLR values during the postoperative period than their counterparts who experienced no complications

Epidemiology of surgery associated acute kidney injury (EPIS-AKI): a prospective international observational multi-center clinical study

Purpose: The incidence, patient features, risk factors and outcomes of surgery-associated postoperative acute kidney injury (PO-AKI) across different countries and health care systems is unclear. Methods: We conducted an international prospective, observational, multi-center study in 30 countries in patients undergoing major surgery (> 2-h duration and postoperative intensive care unit (ICU) or high dependency unit admission). The primary endpoint was the occurrence of PO-AKI within 72 h of surgery defined by the Kidney Disease: Improving Global Outcomes (KDIGO) criteria. Secondary endpoints included PO-AKI severity and duration, use of renal replacement therapy (RRT), mortality, and ICU and hospital length of stay. Results: We studied 10,568 patients and 1945 (18.4%) developed PO-AKI (1236 (63.5%) KDIGO stage 1500 (25.7%) KDIGO stage 2209 (10.7%) KDIGO stage 3). In 33.8% PO-AKI was persistent, and 170/1945 (8.7%) of patients with PO-AKI received RRT in the ICU. Patients with PO-AKI had greater ICU (6.3% vs. 0.7%) and hospital (8.6% vs. 1.4%) mortality, and longer ICU (median 2 (Q1-Q3, 1-3) days vs. 3 (Q1-Q3, 1-6) days) and hospital length of stay (median 14 (Q1-Q3, 9-24) days vs. 10 (Q1-Q3, 7-17) days). Risk factors for PO-AKI included older age, comorbidities (hypertension, diabetes, chronic kidney disease), type, duration and urgency of surgery as well as intraoperative vasopressors, and aminoglycosides administration. Conclusion: In a comprehensive multinational study, approximately one in five patients develop PO-AKI after major surgery. Increasing severity of PO-AKI is associated with a progressive increase in adverse outcomes. Our findings indicate that PO-AKI represents a significant burden for health care worldwide

An embedding technique to determine ττ backgrounds in proton-proton collision data

An embedding technique is presented to estimate standard model tau tau backgrounds from data with minimal simulation input. In the data, the muons are removed from reconstructed mu mu events and replaced with simulated tau leptons with the same kinematic properties. In this way, a set of hybrid events is obtained that does not rely on simulation except for the decay of the tau leptons. The challenges in describing the underlying event or the production of associated jets in the simulation are avoided. The technique described in this paper was developed for CMS. Its validation and the inherent uncertainties are also discussed. The demonstration of the performance of the technique is based on a sample of proton-proton collisions collected by CMS in 2017 at root s = 13 TeV corresponding to an integrated luminosity of 41.5 fb(-1).Peer reviewe

Measurement of nuclear modification factors of gamma(1S)), gamma(2S), and gamma(3S) mesons in PbPb collisions at root s(NN)=5.02 TeV

The cross sections for ϒ(1S), ϒ(2S), and ϒ(3S) production in lead-lead (PbPb) and proton-proton (pp) collisions at √sNN = 5.02 TeV have been measured using the CMS detector at the LHC. The nuclear modification factors, RAA, derived from the PbPb-to-pp ratio of yields for each state, are studied as functions of meson rapidity and transverse momentum, as well as PbPb collision centrality. The yields of all three states are found to be significantly suppressed, and compatible with a sequential ordering of the suppression, RAA(ϒ(1S)) > RAA(ϒ(2S)) > RAA(ϒ(3S)). The suppression of ϒ(1S) is larger than that seen at √sNN = 2.76 TeV, although the two are compatible within uncertainties. The upper limit on the RAA of ϒ(3S) integrated over pT, rapidity and centrality is 0.096 at 95% confidence level, which is the strongest suppression observed for a quarkonium state in heavy ion collisions to date. © 2019 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.Peer reviewe

Measurement of the W gamma Production Cross Section in Proton-Proton Collisions at root s=13 TeV and Constraints on Effective Field Theory Coefficients

A fiducial cross section for W gamma production in proton-proton collisions is measured at a center-of-mass energy of 13 TeV in 137 fb(-1) of data collected using the CMS detector at the LHC. The W -> e nu and mu nu decay modes are used in a maximum-likelihood fit to the lepton-photon invariant mass distribution to extract the combined cross section. The measured cross section is compared with theoretical expectations at next-to-leading order in quantum chromodynamics. In addition, 95% confidence level intervals are reported for anomalous triple-gauge couplings within the framework of effective field theory.Peer reviewe

Calibration of the CMS hadron calorimeters using proton-proton collision data at root s=13 TeV

Methods are presented for calibrating the hadron calorimeter system of theCMSetector at the LHC. The hadron calorimeters of the CMS experiment are sampling calorimeters of brass and scintillator, and are in the form of one central detector and two endcaps. These calorimeters cover pseudorapidities vertical bar eta vertical bar ee data. The energy scale of the outer calorimeters has been determined with test beam data and is confirmed through data with high transverse momentum jets. In this paper, we present the details of the calibration methods and accuracy.Peer reviewe

Search for long-lived particles decaying to jets with displaced vertices in proton-proton collisions at root s=13 Te V

A search is presented for long-lived particles produced in pairs in proton-proton collisions at the LHC operating at a center-of-mass energy of 13 TeV. The data were collected with the CMS detector during the period from 2015 through 2018, and correspond to a total integrated luminosity of 140 fb(-1). This search targets pairs of long-lived particles with mean proper decay lengths between 0.1 and 100 mm, each of which decays into at least two quarks that hadronize to jets, resulting in a final state with two displaced vertices. No significant excess of events with two displaced vertices is observed. In the context of R-parity violating supersymmetry models, the pair production of long-lived neutralinos, gluinos, and top squarks is excluded at 95% confidence level for cross sections larger than 0.08 fb, masses between 800 and 3000 GeV, and mean proper decay lengths between 1 and 25 mm.Peer reviewe

Search for top squark production in fully hadronic final states in proton-proton collisions at root s=13 TeV

A search for production of the supersymmetric partners of the top quark, top squarks, is presented. The search is based on proton-proton collision events containing multiple jets, no leptons, and large transverse momentum imbalance. The data were collected with the CMS detector at the CERN LHC at a center-of-mass energy of 13 TeV, and correspond to an integrated luminosity of 137 fb(-1). The targeted signal production scenarios are direct and gluino-mediated top squark production, including scenarios in which the top squark and neutralino masses are nearly degenerate. The search utilizes novel algorithms based on deep neural networks that identify hadronically decaying top quarks and W bosons, which are expected in many of the targeted signal models. No statistically significant excess of events is observed relative to the expectation from the standard model, and limits on the top squark production cross section are obtained in the context of simplified supersymmetric models for various production and decay modes. Exclusion limits as high as 1310 GeVare established at the 95% confidence level on the mass of the top squark for direct top squark production models, and as high as 2260 GeV on the mass of the gluino for gluino-mediated top squark production models. These results represent a significant improvement over the results of previous searches for supersymmetry by CMS in the same final state.Peer reviewe