Enseñanza y evaluación del Álgebra en Honduras: concepciones y prácticas docentes

The motivation to carry out this research arises from the results presented in the national reports regarding the low level of academic achievement in Mathematics evidenced by the Honduran students of the 7th, 8th and 9th grades of Basic Education and it is therefore intended to know the pedagogical aspects and the conceptions that the teachers have in relation to the teaching and learning of Algebra in these degrees.The descriptive study was carried out by applying a questionnaire to 471 teachers who teach Mathematics in public and private educational centers of the different regions of the country. The results obtained reveal information about the conceptions that teachers have regarding the most difficult subjects to teach, the concept of Algebra and its importance and the perception that they have about their preparation to teach this subject. They also indicate pedagogical elements of interest such as the resources used by teachers, the type of activities they propose to their students, attention to certain standards that must be taught in the grades under study, as well as the perception they have about national tests. and their respective academic performance reports.We consider that the results obtained are of great interest for organizations linked to the processes of support for the improvement of the educational process in Mathematics and for all those involved in the national educational process at different levels, therefore, it is suggested that they should be taken in account in the processes of training and training of teachers at the national level.  La motivación para realizar esta investigación surge a raíz de los resultados presentados en los informes nacionales en cuanto al bajo nivel de rendimiento académico en Matemáticas que evidencian los estudiantes hondureños de los grados 7º, 8º y 9º de Educación Básica y por ello se pretende conocer los aspectos pedagógicos y las concepciones que tienen los docentes en relación conla enseñanza y aprendizaje del Álgebra en estos grados.El estudio, de carácter descriptivo fue realizado mediante la aplicación de un cuestionario a 471 profesores que enseñan Matemáticas en centros educativos públicos y privados de las diferentes regiones del país. Los resultados obtenidos revelan información sobre las concepciones que tienen los profesores con respecto a los bloques temáticos de mayor dificultad para enseñar, el concepto de Álgebra y su importancia y la percepción que tienen sobre su preparación para enseñar dicha materia. Indican además, elementos pedagógicos de interés como los recursos que utilizan los profesores, el tipo de actividades que proponen a sus estudiantes, la atención a ciertos estándares que deben ser enseñados en los grados en estudio, así como la percepción que tienen sobre las pruebas nacionales y sus respectivos informes de rendimiento académico.Consideramos que los resultados obtenidos son de gran interés para las organizaciones vinculadas con los procesos de apoyo a la mejora del proceso educativo en Matemáticas y para  todoslos involucrados en el proceso educativo nacional a distintos niveles, por tanto, se sugiere que deben ser tomados en cuenta en los procesos de formación y capacitación de los docentes a nivel nacional

Teacher reactions to the use of blogs in the classroom.

En este artículo presentamos un estudio exploratorio cualitativo cuyo objetivo fue co - no cer la percepción que una muestra de 25 profesores de enseñanza primaria, secundaria y uni versitaria, que utilizan habitualmente los blogs en sus aulas, sobre las posibilidades edu cativas que, en su opinión, tiene este recurso en rendimiento y comportamiento de los alum nos. Se realizó una investigación cualitativa mediante la técnica de relatos. La extracción de la información contenida en los relatos fue llevada a cabo mediante Análisis de Con - tin gencias utilizando software experimental como GestMagister y GOLUCA, para elaborar una representación gráfica en forma de Red Asociativas Pathfinder de las categorías más im portantes encontradas. Según estas categorías y sus relaciones identificamos las princi pa les posibilidades educativas del uso de los blogs, en opinión de los participantes.In this article we present a cualitative study whose objective was to find out the perception of 25 teachers of primary, high school and university who usually use blogs for their lessons, regarding the educational posibilities which, in their opionions, this resource has in the performance and behaviour of the pupils. A qualitative investigation was made using the story telling technique. The extraction of information of the tales was made using Risk Analysis, helped by experimental software, in the form of GestMagister and GOLUCA, to make a graphical representation in the shape of an Pathfinder Asociative Network of the most important categories found. With these categories and their relations we identify the main educational posibilities of the use of blogs in the opinion of the participants.peerReviewe

Creando música con la pizarra digital : comunicación presentada al II Congreso DIM-Aulatic 18 y 19 de marzo del 2010

Se propone la composición colaborativa de una pieza musical con alumnos de 6º de Primaria usando una Pizarra Digital Interactiva (PDI). Se analizan las actitudes de los alumnos ante aspectos concretos del día a día del aula de música (mediante la técnica de Diferencial Semántico) para contrastar el uso de las PDI con otras metodologías más tradicionales.We propose the collaborative composition of a piece of music with students from 6th grade using an interactive whiteboard (IWB). We analyze the students' attitudes to specific aspects of everyday classroom music (through the Semantic Differential technique) to contrast the use of IWB with other more traditional methodologies

New method of qualitative analysis using software for social networks analysis of group perception towards Mathematics

Utilizando el software para representación de redes socia-les Gephi, fueron estudiadas las percepciones hacia las Matemáticas y su enseñanza de un grupo de 196 estu-diantes del grado de Educación Primaria, a los que se pidió que narraran su experiencia como estudiantes. A partir de los textos obtenidos, se crearon, de forma automatizada, representaciones en forma de redes de las categorías de análisis halladas, destacando las más importantes y las interrelaciones entre ellas. El análisis de las redes permitió identificar las concepciones y sentimientos del grupo sobre las Matemáticas y sus expectativas como futuros maes-tros, en las que destacaron sus experiencias con buenos y malos profesores. Se trata de una investigación novedosa en investigación educativa, de la que existen pocos ante-cedentes comparables, en la que se emplea el software de análisis de redes sociales para el análisis de textos y la representación de grandes cantidades de datos cualitati-vos.Using the Gephi software to represent social networks, perceptions to Mathematics and its teaching of a group of 196 students of the Primary Education degree were stud-ied, who were asked to narrate their experience as stu-dents. From the texts obtained, representations in form of networks of the categories of analysis found were created in an automated way, highlighting the most important and the interrelationships between them. The analysis of the networks allowed identifying the conceptions and feelings group's about Mathematics and their expectations as future teachers, in which they highlighted their experiences with good and bad teachers. This is a novel research in educational research, of which there is little comparable background, in which social network analysis software is used for text analysis and the representation of large amounts of qualitative data.Fondos FEDERUnión EuropeaGobierno de Extremadur

Current in qualitative and mixed research

Artículo que sirve como editorial al vol. 37, nº 1 (2018) de "Campo Abierto. Revista de Educación".Dentro del contexto del “6º Congreso Iberoamericano de Investigación de Análisis Cuantitativo (CIAIQ 2017)” y del “2nd International Symposium on Qualitative Research (ISQR 2017)”, prestigioso foro mundial de formación y difusión de la investigación cualitativa, donde fueron presentaron más de medio millar de artículos y ponencias de numerosas nacionalidades (http://proceedings.ciaiq.org/index.php/ciaiq2017/issue/archive), celebrado el pasado julio de 2017 en la ilustre cuidad de Salamanca, se aborda esta publicación enmarcada en la actualidad y la innovación del Análisis Cuantitativo y Mixto. Esta valiosa combinación de métodos desde sus albores con autores destacados como Campbell y Fiske (1959), pasando por Jick en la década de los 70, ha evolucionado vertiginosamente hasta llegar a nuestros días con Tashakkori y Teddlie (2003), así como el reconocido Creswell (2008, 2015) cuya labor ha llegado a la edición de la prestigiosa revista de investigación “Journal of Mixed Methods Research”. A dicha revista se suman cada día nuevas publicaciones y congresos tanto a nivel internacional como también en el ámbito nacional. No podemos olvidar que han sido los campos de las ciencias sociales y de la salud, y en particular sus áreas de educación y salud pública, donde se ha generado el desarrollo de este imparable y reconocido análisis en investigación. Llegado a este punto resumiremos brevemente las objetivas razones de su beneficio como son: la mejora de la muestra, los resultados más robustos y mayor frente a un análisis único, y por último la posibilidad de contrastar datos entre ambas metodologías (cualitativa y cuantitativa) ofreciendo mayor impulso sobre esta investigación.Within the context of the "6th Ibero-American Research Congress on Quantitative Analysis (CIAIQ 2017)” and the “2nd International Symposium on Qualitative Research (ISQR 2017)", prestigious global forum for training and dissemination of qualitative research, where they presented more than half a thousand of articles and papers of numerous nationalities (http://proceedings.ciaiq.org/index.php/ciaiq2017/issue/archive), held last July 2017 in the illustrious city of Salamanca, this publication is addressed framed today and the innovation of Quantitative and Mixed Analysis. This valuable combination of methods from its beginnings with prominent authors such as Campbell and Fiske (1959), including Jick in the 70s, has evolved rapidly until today with Tashakkori and Teddlie (2003), as well as the well-known Creswell (2008, 2015) whose work has come to the publication of the prestigious journal "Journal of Mixed Methods Research". To this magazine are added every day new publications and congresses both internationally and also at the national level. We cannot forget that they have been the fields of the social sciences and health, and in particular their areas of education and public health, where the development of this unstoppable and recognized research analysis has been generated. At this point we will briefly summarize the objective reasons for their benefit such as: the improvement of the sample, the more robust results and greater compared to a single analysis, and finally the possibility of comparing data between both methodologies (qualitative and quantitative) offering greater momentum on this investigation.peerReviewe

Investigación en tiempos de pre-pandemia del Covid-19. Reflexiones sobre la evolución de la investigación cualitativa hacia la "nueva normalidad"

Cuestiones desde enfoque cualitativos y mixtos en torno a 1) Educación. 2) Salud. 3) Ciencias Sociales, y 4) Ingeniería y Tecnología; presentados al Congreso CIAIQ2019 y encuadrados en dos principales dimensiones: a) Fundamentos y b) Operacionalización. Se recogen ocho artículos del área de Educación pre-seleccionados por las comisiones organizadora y científica del CIAIQ 2019, de entre los mejores trabajos de investigación presentados al Congreso. Estos trabajos se han sometido al proceso de réferi de la revista y constituyen una ampliación y profundización de las versiones publicadas en las Actas. Se trata de un conjunto de trabajos de investigación que, bajo el paraguas de la investigación cualitativa, abordan un conjunto de temas que van desde el Análisis Dialógico del Discurso, Educación en la Ciudad, Educación para la Salud, Cuidados Infantiles, Mediación de Conflictos, Capacitación y Formación Docente, TIC, Enseñanza de las Ciencias, hasta Formación de Futuros Doctores.Issues from a qualitative and mixed approach around 1) Education. 2) Health. 3) Social Sciences, and 4) Engineering and Technology; presented to the CIAIQ2019 Congress and framed in two main dimensions: a) Foundations and b) Operationalization. Eight articles are collected from the area of Education pre-selected by the organizing and scientific commissions of the CIAIQ 2019, from among the best research papers presented to the Congress. These works have been submitted to the review process of the journal and constitute an extension and deepening of the versions published in the Proceedings. It is a set of research works that, under the umbrella of qualitative research, address a set of topics ranging from Dialogical Discourse Analysis, Education in the City, Health Education, Child Care, Conflict Mediation, Teacher Training and Education, ICT, Science Teaching, and Future Doctors Training.peerReviewe

Calidad en el servicio al cliente en el sector retail de moda y equipamiento deportivo en Lima Metropolitana

Varios estudios sostienen que el rol de la calidad en el servicio es fundamental en los negocios para alcanzar el éxito y la ventaja competitiva porque mejora la imagen de marca y los beneficios. No obstante, la investigación y correcta medición de la calidad en el servicio en el sector retail aún no ha cobrado la relevancia necesaria a pesar de que es uno de los sectores de servicios de más rápido crecimiento en el Perú. Los objetivos de la presente investigación fueron explorar y evaluar la dimensionalidad, confiabilidad y validez, tanto convergente como discriminante del modelo SERVPERF para aplicarlo en el sector retail de moda y equipamiento deportivo en Lima Metropolitana, mediante el análisis factorial exploratorio y confirmatorio de modelos de ecuaciones estructurales. Teniendo presente que, el modelo SERVQUAL es el modelo de mayor difusión y aplicación para la medición de la calidad en el servicio. Además, empleando modelos de regresión, determinar el impacto y significancia de todas y cada una de las cinco dimensiones del modelo propuesto por Cronin y Taylor en la calidad en el servicio. Las 22 variables del modelo SERPVERF son agrupadas en cinco dimensiones que incluyen Tangibilidad, Fiabilidad, Capacidad de respuesta, Seguridad y Empatía. Los hallazgos permiten confirmar que el instrumento SERPVERF es una herramienta válida y valiosa para medir la calidad en el servicio. A su vez, se determinó el impacto positivo y significativo de todas y cada una de las dimensiones del modelo; donde Fiabilidad y Empatía son las dimensiones de mayor impacto en la calidad en el servicio para el sector. Finalmente se brindan recomendaciones prácticas para que los líderes de las marcas NIKE, ADIDAS y PUMA mejoren los niveles de calidad en el servicio brindada en las tiendas físicas de Lima Metropolitana.Several studies argue that the role of service quality is essential to achieve success and competitive advantage in business because it improves brand image and profits. However, the research and correct measurement of service quality in the retail sector is yet to gain the necessary relevance despite the fact that it is one of the fastest growing service sectors in Perú. The aims of this study were through the exploratory and confirmatory factor analysis of structural equation models, to explore and assess the SERVPERF model dimensionality, reliability and validity, both convergent and discriminant, and its applicability in the fashion and sports equipment retail sector in Metropolitan Lima. Bearing in mind that the SERVQUAL model is the most widely disseminated and applied model for measuring service quality. In addition, using regression models, determine the service quality impact and significance of each and every one of the five dimensions of the model proposed by Cronin and Taylor. The SERVPERF model is based on 22 variables grouped into five dimensions that includes Tangibility, Reliability, Responsiveness, Security and Empathy. The findings confirm that the SERVPERF instrument is a valid tool to measure service quality. In turn, the positive and significant impact of each and every one of the dimensions of the model was determined; Reliability and Empathy dimensions had the greatest impact on sectors service quality. Finally, useful insights are provided for the leaders of NIKE, ADIDAS and PUMA in order to improve the service quality level awarded in Metropolitan Lima physical stores

Suppression of Coulomb-nuclear interference in the near-barrier elastic scattering of 17 Ne from 208 Pb

The proton drip-line nucleus 17Ne is considered a good candidate for a Borromean two-proton halo with a 15O + p+ pstructure. Angular distributions of the elastic scattering and inclusive 15O production for a 136 MeV 17Ne beam incident on a 208Pb target were measured for the first time at the SPIRAL1 facility, GANIL. Use of the GLORIA detector array allowed high-resolution data over a wide angular range from 20◦up to 95◦in the laboratory frame to be obtained. The elastic scattering angular distribution shows similarities with those for both 6He and 20Ne at equivalent collision energies with respect to the corresponding Coulomb barriers, exhibiting the suppression of the Coulomb rainbow peak characteristic of strong coupling. Optical model and coupled channel fits suggest that this is due to a combination of coupling to low-lying quadrupole resonances and Coulomb dipole coupling to the low-lying continuum, although their relative importance depends on the relevant B(E2)values which remain to be firmly determined

Mycobacterium tuberculosis Shikimate Kinase Inhibitors: Design and Simulation Studies of the Catalytic Turnover

Shikimate kinase (SK) is an essential enzyme in several pathogenic bacteria and does not have any counterpart in human cells, thus making it an attractive target for the development of new antibiotics. The key interactions of the substrate and product binding and the enzyme movements that are essential for catalytic turnover of the Mycobacterium tuberculosis shikimate kinase enzyme (Mt-SK) have been investigated by structural and computational studies. Based on these studies several substrate analogs were designed and assayed. The crystal structure of Mt-SK in complex with ADP and one of the most potent inhibitors has been solved at 2.15 Å. These studies reveal that the fixation of the diaxial conformation of the C4 and C5 hydroxyl groups recognized by the enzyme or the replacement of the C3 hydroxyl group in the natural substrate by an amino group is a promising strategy for inhibition because it causes a dramatic reduction of the flexibility of the LID and shikimic acid binding domains. Molecular dynamics simulation studies showed that the product is expelled from the active site by three arginines (Arg117, Arg136, and Arg58). This finding represents a previously unknown key role of these conserved residues. These studies highlight the key role of the shikimic acid binding domain in the catalysis and provide guidance for future inhibitor designsFinancial support from ́ the Spanish Ministry of Economy and Competitiveness (SAF2010-15076 to CGB and BFU2011-24843 to M.J.vR.) and the Xunta de Galicia (10PXIB2200122PR and GRC2010/ 12) is gratefully acknowledged. B.B. thanks the Spanish Ministry of Education for her FPU fellowship. V.P. and C.G.D. thank the Spanish Ministry of Economy and Competitiveness for their respective FPI fellowships. J.M.O. thanks the Xunta de Galicia for a Plan I2C postdoctoral fellowshipS

Prognostic Value of D-dimer to Lymphocyte Ratio (DLR) in Hospitalized Coronavirus Disease 2019 (COVID-19) Patients: A Validation Study in a National Cohort

Background: This study aimed to validate the role of the D-dimer to lymphocyte ratio (DLR) for mortality prediction in a large national cohort of hospitalized coronavirus disease 2019 (COVID-19) patients. Methods: A retrospective, multicenter, observational study that included hospitalized patients due to SARS-CoV-2 infection in Spain was conducted from March 2020 to March 2022. All biomarkers and laboratory indices analyzed were measured once at admission. Results: A total of 10,575 COVID-19 patients were included in this study. The mean age of participants was 66.9 (+/- 16) years, and 58.6% (6202 patients) of them were male. The overall mortality rate was 16.3% (n = 1726 patients). Intensive care unit admission was needed in 10.5% (n = 1106 patients), non-invasive mechanical ventilation was required in 8.8% (n = 923 patients), and orotracheal intubation was required in 7.5% (789 patients). DLR presented a c-statistic of 0.69 (95% CI, 0.68-0.71) for in-hospital mortality with an optimal cut-off above 1. Multivariate analysis showed an independent association for in-hospital mortality for DLR > 1 (adjusted OR 2.09, 95% CI 1.09-4.04; p = 0.03); in the same way, survival analysis showed a higher mortality risk for DLR > 1 (HR 2.24; 95% CI 2.03-2.47; p < 0.01). Further, no other laboratory indices showed an independent association for mortality in multivariate analysis. Conclusions: This study confirmed the usefulness of DLR as a prognostic biomarker for mortality associated with SARS-CoV-2 infection, being an accessible, cost-effective, and easy-to-use biomarker in daily clinical practice