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18.546  Articles
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The study depended on Feldt transformations (1969, 1980) in use of differences between two alpha coefficients across measurements associated with multiple measurements of the cognitive burden theory. The study aimed to compare the self-report and cognitiv... see more

Evaluación del examen parcial de Medicina Comunitaria en la Escuela Latinoamericana de Medicina. 2017-2018 / Evaluation of the partial exam of Community Medicine at the Latin American School of Medicine. 2017-2018 Evaluación del examen parcial de Medicina Comunitaria en la Escuela Latinoamericana de Medicina. 2017-2018 / Evaluation of the partial exam of Community Medicine at the Latin American School of Medicine. 2017-2018 La evaluación regula el proceso enseñanza y aprendizaje, retroalimenta a los profesores y tiene una función educativa importante. La elaboración de instrumentos evaluativos escritos que cumplan las funciones de la evaluación es un reto para los docentes y los profesores principales de las asignaturas de la disciplina principal integradora de la carrera de Medicina. El objetivo de este trabajo fue evaluar la calidad del examen parcial escrito de la asignatura Medicina Comunitaria. El colectivo de investigadores escogió la metodología utilizada durante varios años por el profesor MSc. Pedro Augusto Díaz Rojas para evaluar la calidad de los instrumentos. Se realizó un estudio descriptivo transversal en el que se analizaron la totalidad de los exámenes realizados por los estudiantes (1006), en una hoja de cálculo de Microsoft Excel se tabularon los resultados del examen aplicado, se incluyeron los de cada ítem categorizados en correcto (c) e incorrecto (i), la calificación de cada pregunta y la nota final del examen, para su posterior procesamiento estadístico comprobándose  correspondencia del fondo de tiempo asignado en el P1 a los contenidos y cantidad de ítems que exploran la mayoría de los ítems y preguntas del examen se consideraron de dificultad media, el coeficiente alfa de Cronbach fue de 0,60 apuntando que es un instrumento confiable. El examen parcial escrito se evalúa de confiable, con la calidad requerida, y la mayoría de los ítems se clasificó como de dificultad media.Palabras clave: evaluación; instrumento evaluativo escrito; evaluación formativa.ABSTRACT The evaluation regulates the teaching and learning process, provides feedback to teachers and has an important educational function. The elaboration of written evaluation instruments that fulfill the functions of the evaluation is a challenge for the teachers and the main professors of the subjects of the main discipline integrating the Medicine career. The objective of this work was to evaluate the quality of the written partial exam of the Community Medicine course. The objective of this work was to evaluate the quality of the written partial exam of the Community Medicine course. The group of researchers chose the methodology used for several years by Professor MSc. Pedro Augusto Díaz Rojas to evaluate the quality of the instruments. A cross-sectional descriptive study was carried out in which all the exams performed by the students were analyzed (1006), in a Microsoft Excel spreadsheet the results of the applied test were tabulated, those of each item categorized in correct were included ( c) and incorrect (i), the qualification of each question and the final grade of the exam, for subsequent statistical processing, checking the correspondence of the time fund allocated in P1 to the contents and quantity of items that explore most of the items and Exam questions were considered of medium difficulty, Cronbach’s alpha coefficient was 0.60 pointing out that it is a reliable instrument. The written partial exam is evaluated as reliable, with the required quality, and most of the items were classified as medium difficulty.Keywords: evaluation; written evaluation instrument; formative evaluation.

ABSTRACT The evaluation regulates the teaching and learning process, provides feedback to teachers and has an important educational function. The elaboration of written evaluation instruments that fulfill the functions of the evaluation is a challeng... see more

A simple and reliable method for the determination of the concentrationand function of alpha-2-macroglobulin (a2M) by zymography was developed. The method is based on the covalent binding of a2M and trypsin followed by non-reducing PAGE and zymo... see more

The objective of this study was to investigate the motor performance of school chil-dren aged 6 to 10 years without learning difficulties (n=101), and to analyze the reliability of the Motor Development Scale (MDS) (Rosa Neto, 2002). Descriptive statistic... see more

The experiment was done on 202 new chickpea (Cicer arietinum L.) landraces with 2 checks to assess the association, direct and indirect effect of different characters on yield. The experiment was planted at Sirinka and Jari, Ethiopia, under rain fed condi... see more

Growth is explained mathematically by models that have parameters with biological interpretations. This study was conducted to compare five non-linear growth models (Gompertz, Brody, Logistics, Von Bertalanffy and Negative exponential) in order to describ... see more

Context. Authorization of the authorship of the text is a technique for determining the author of the text, when it is ambiguous who wrote it. It is useful when several people claim to be the authors of one publication or in cases where nobody claims to a... see more

Due to the short time constant of the spin-spin relaxation process, there is a limitation in the preparation of NMR sample solution for large proteins. To overcome this problem, reverse micelle systems are used.  Here, molecular dynamics simulation w... see more

To improve the performance of phoneme based Automatic Speech Recognition (ASR) in noisy environment; we developed a new technique that could add robustness to clean phonemes features. These robust features are obtained from Complex Wavelet Packet Transfor... see more

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