Nivel de satisfacción de los estudiantes de la escuela de postgrado de la Universidad Nacional de la Amazonía Peruana, noviembre 2017

La Escuela de Postgrado de la Universidad Nacional de la Amazonía Peruana oferta programas de Maestrías, Doctorados y Segunda Especialidad, en la ciudad de Iquitos, desde el año 1987. En esta jurisdicción, vienen operando otras universidades ofertando lo mismo en el mercado educativo. Desde la fecha de creación a la actualidad no se ha llevado a cabo ningún estudio sobre los niveles de satisfacción de los usuarios del servicio, por lo que resulta impostergable la realización de la presente tesis magistral. El objetivo de la presente investigación es determinar el nivel de satisfacción de los estudiantes en relación a los servicios brindados por la Escuela de Postgrado de la Universidad Nacional de la Amazonia Peruana, en el periodo noviembre 2017. Para ello, se llevó a cabo la presente investigación de tipo Descriptivo y de diseño No Experimental, analizando los niveles de satisfacción de los estudiantes por los servicios recibidos. Para esto, los servicios de la Escuela de Postgrado han sido separados en dos dimensiones: servicios académicos y servicios administrativos. Como resultados de la investigación, se puede señalar que el 48.71% de los estudiantes manifestaron estar “Satisfechos a Medias” con el servicio recibido de la Escuela de Postgrado en términos generales, siendo ésta una respuesta con sesgo negativo; apareciendo recién en segundo orden los que manifiestan estar “Satisfechos” con el 38.38%; es decir 10 puntos porcentuales por debajo. El estudio arroja como resultado que los factores: currículo y plan de estudios, plana docente, fomento a la investigación, horarios de clases, infraestructura y equipamiento; sí determinan la satisfacción del estudiante y, en todos los casos el Coeficiente de Determinación (R2) es superior a 0.80; cifra muy cercana a 1. Lo mismo sucede con los servicios administrativos: atención y orientación al estudiante, tiempo de duración de los trámites, y horario de atención; con valores del Coeficiente de Determinación (R2) superiores a 0.81 en cada caso. Sin embargo, el trato del personal administrativo no es determinante en la satisfacción de los estudiantes, ya que el Coeficiente de Determinación (R2) fue de 0.220622384; valor muy alejado de 1. Existen otros aspectos además que causan insatisfacción a los estudiantes, tales como: el horario de las oficinas administrativas no coincide con el horario de clases, no existe disponibilidad de internet para los estudiantes, carencia de un sistema virtual para las matrículas y pago de mensualidades, carencia de laboratorios modernos con simuladores de negocios, carencia en la exigencia en la enseñanza, entre otros.The Postgraduate School of the National University of the Peruvian Amazon offers Master's, Doctorate and Second Specialty programs in the city of Iquitos, since 1987. In this jurisdiction, other universities have been operating offering the same in the educational market. From the date of creation to the present, no study has been carried out on the levels of satisfaction of the users of the service, so that the realization of this master's thesis is imperative. The objective of this research is to determine the level of satisfaction of students in relation to the services provided by the Graduate School of the National University of the Peruvian Amazon, in the period November 2017. For this purpose, the present Descriptive and Non-Experimental design research, analyzing the levels of student satisfaction for the services received. For this, the services of the Post Graduate School have been separated into two dimensions: academic services and administrative services. As a result of the research, it can be pointed out that 48.71% of the students stated that they were "Satisfied by Means" with the service received from the Post Graduate School in general terms, this being a response with a negative bias; appearing only in second order those who claim to be "Satisfied" with 38.38%; that is 10 percentage points below. The study shows as a result that the factors: curriculum and curriculum, teaching staff, promotion of research, class schedules, infrastructure and equipment; yes, they determine student satisfaction and, in all cases, the Determination Coefficient (R2) is higher than 0.80; figure very close to 1. The same happens with administrative services: attention and orientation to the student, time of duration of the procedures, and opening hours; with values of the Coefficient of Determination (R2) higher than 0.81 in each case. However, the treatment of the administrative staff is not determinant in the satisfaction of the students, since the Determination Coefficient (R2) was 0.220622384; value very far from 1. There are other aspect besides that cause dissatisfaction to the students, such as: the schedule of the administrative offices does not coincide with the schedule of classes, there is no internet availability for the students, lack of a virtual system for enrollment and payment of monthly payments, lack of modern laboratories with business simulators, lack of the requirement in teaching, among others.Tesi

Use of intraluminal protection in colonic anastomosis in dogs Uso de protetor intraluminal em anastomose colônica em cães

PURPOSE: To test the use of intraluminal protection in colonic anastomosis without intestinal cleansing. The intraluminal liner was fashioned from porcine submucosa preserved in glycerin and then fixed 10 cm anteriorly to the anastomotic site. This technique was compared with the one used in termino-terminal colonic anastomosis without intraluminal protection. METHODS: Twenty-eight dogs were divided into two groups of fourteen animals each. Clinical and histopathological tests were performed on the fourth and twenty-first postoperative days. RESULTS: The morbidity and mortality rates were higher in animals that did not receive the intraluminal liner. Histopathological examinations in animals in which the intraluminal liner was used showed better healing, characterized by milder inflammation and increased amount of collagen. CONCLUSION: It can be concluded that the use of intraluminal protection decreases complication rates in colonic anastomosis and promotes better healing.<br>OBJETIVO: Testar o uso da proteção intraluminal na anastomose colônica sem preparo intestinal. O protetor intraluminal usado foi confeccionado a partir da submucosa de suíno conservada em glicerina, e fixado a 10 cm cranialmente ao sítio anastomótico. Essa técnica foi comparada com a técnica de anastomose colônica término-terminal sem uso do protetor intraluminal. MÉTODOS: Foram utilizados 28 cães divididos em dois grupos de 14 animais cada. A avaliação foi através de exames clínicos e histopatológicos. A avaliação anatomo-patológica foi realizada no quarto e vigésimo primeiro dias de pós-operatório. RESULTADOS: Um maior número de casos de morbi-mortalidade foi observado nos animais operados sem o protetor intraluminal. O exame histopatológico dos animais nos quais foram usados os protetores intraluminais mostrou melhor cicatrização, caracterizada por processo inflamatório mais discreto e maior quantidade de colágeno. CONCLUSÃO: O uso do protetor diminui o número de complicações em anastomoses de cólon e melhora a cicatrização

Transverse momentum and pseudorapidity distributions of charged hadrons in pp collisions at (s)\sqrt(s) = 0.9 and 2.36 TeV

Measurements of inclusive charged-hadron transverse-momentum and pseudorapidity distributions are presented for proton-proton collisions at sqrt(s) = 0.9 and 2.36 TeV. The data were collected with the CMS detector during the LHC commissioning in December 2009. For non-single-diffractive interactions, the average charged-hadron transverse momentum is measured to be 0.46 +/- 0.01 (stat.) +/- 0.01 (syst.) GeV/c at 0.9 TeV and 0.50 +/- 0.01 (stat.) +/- 0.01 (syst.) GeV/c at 2.36 TeV, for pseudorapidities between -2.4 and +2.4. At these energies, the measured pseudorapidity densities in the central region, dN(charged)/d(eta) for |eta| < 0.5, are 3.48 +/- 0.02 (stat.) +/- 0.13 (syst.) and 4.47 +/- 0.04 (stat.) +/- 0.16 (syst.), respectively. The results at 0.9 TeV are in agreement with previous measurements and confirm the expectation of near equal hadron production in p-pbar and pp collisions. The results at 2.36 TeV represent the highest-energy measurements at a particle collider to date

Transverse-momentum and pseudorapidity distributions of charged hadrons in pppp collisions at s\sqrt{s} = 7 TeV

Charged-hadron transverse-momentum and pseudorapidity distributions in proton-proton collisions at $\sqrt{s} = 7$~TeV are measured with the inner tracking system of the CMS detector at the LHC. The charged-hadron yield is obtained by counting the number of reconstructed hits, hit-pairs, and fully reconstructed charged-particle tracks. The combination of the three methods gives a charged-particle multiplicity per unit of pseudorapidity \dnchdeta|_{|\eta| < 0.5} = 5.78\pm 0.01\stat\pm 0.23\syst for non-single-diffractive events, higher than predicted by commonly used models. The relative increase in charged-particle multiplicity from $\sqrt{s} = 0.9$ to 7~TeV is 66.1\%\pm 1.0\%\stat\pm 4.2\%\syst. The mean transverse momentum is measured to be 0.545\pm 0.005\stat\pm 0.015\syst\GeVc. The results are compared with similar measurements at lower energies.Charged-hadron transverse-momentum and pseudorapidity distributions in proton-proton collisions at sqrt(s) = 7 TeV are measured with the inner tracking system of the CMS detector at the LHC. The charged-hadron yield is obtained by counting the number of reconstructed hits, hit-pairs, and fully reconstructed charged-particle tracks. The combination of the three methods gives a charged-particle multiplicity per unit of pseudorapidity, dN(charged)/d(eta), for |eta| < 0.5, of 5.78 +/- 0.01 (stat) +/- 0.23 (syst) for non-single-diffractive events, higher than predicted by commonly used models. The relative increase in charged-particle multiplicity from sqrt(s) = 0.9 to 7 TeV is 66.1% +/- 1.0% (stat) +/- 4.2% (syst). The mean transverse momentum is measured to be 0.545 +/- 0.005 (stat) +/- 0.015 (syst) GeV/c. The results are compared with similar measurements at lower energies

Measurement of the charge ratio of atmospheric muons with the CMS detector

We present a measurement of the ratio of positive to negative muon fluxes from cosmic ray interactions in the atmosphere, using data collected by the CMS detector both at ground level and in the underground experimental cavern at the CERN LHC. Muons were detected in the momentum range from 5 GeV/ c to 1 TeV/ c . The surface flux ratio is measured to be 1.2766±0.0032(stat.)±0.0032(syst.) , independent of the muon momentum, below 100 GeV/ c . This is the most precise measurement to date. At higher momenta the data are consistent with an increase of the charge ratio, in agreement with cosmic ray shower models and compatible with previous measurements by deep-underground experiments.We present a measurement of the ratio of positive to negative muon fluxes from cosmic ray interactions in the atmosphere, using data collected by the CMS detector both at ground level and in the underground experimental cavern at the CERN LHC. Muons were detected in the momentum range from 5 GeV/c to 1 TeV/c. The surface flux ratio is measured to be 1.2766 \pm 0.0032(stat.) \pm 0.0032 (syst.), independent of the muon momentum, below 100 GeV/c. This is the most precise measurement to date. At higher momenta the data are consistent with an increase of the charge ratio, in agreement with cosmic ray shower models and compatible with previous measurements by deep-underground experiments