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16.345  Articles
1 of 1.635 pages  |  10  records  |  more records»
At below replacement level, fertility changes are subtle and complex; distinguishing statistically significant trends from random shifts is becoming a relevant issue. The probabilistic fertility table describes the uncertainty of the childbearing process,... see more

Traditionally, life-table variables are assigned certain values at all ages, and hence are treated as deterministic. But the survival process of the hypothetic cohort is uncertain; hence, the nature of life tables is probabilistic. This paper in... see more

Abstract Considering the importance of population forecast, as a basic tool for a wide range of decision makers and planners, this paper produces probabilistic population forecasts for Egypt during the period starting from 2006 to 2051. It dependsmainly o... see more

The stressful climatic conditions of the last years have led to the need to pay more attention to the native varieties, which are adapted to the local conditions and ensure the obtaining of quality harvests. Autochthonous varieties of table grapes have di... see more

Habilidades en Metodología de la Investigación y Estadística de los estudiantes de la Escuela Latinoamericana de Medicina / Skills in Research Methodology and Statistics of students of the Latin American School of Medicine Habilidades en Metodología de la Investigación y Estadística de los estudiantes de la Escuela Latinoamericana de Medicina / Skills in Research Methodology and Statistics of students of the Latin American School of MedicineObjetivo: describir las principales dificultades en el dominio de las habilidades en la asignatura Metodología de la Investigación y Estadística de los estudiantes de la Escuela Latinoamericana de Medicina. Método: se realizó un estudio descriptivo retrospectivo. De una población de 1320 estudiantes de segundo año de Ciencias Básicas en el curso 2015-2016 se seleccionó una muestra probabilística de 404 alumnos. Se seleccionaron las evaluaciones parciales y finales para determinar los errores por conocimientos y se agruparon por habilidades Se utilizaron el porcentaje y la media como medidas para resumir la información. Se presenta la información resumida en tablas.Resultados: la habilidad argumentar en Metodología de la Investigación constituye la de mayor frecuencia de errores (33,5%) de manera específica en el planteamiento del problema científico (59,1%). En estadística descriptiva el promedio más alto fue en interpretar (35,6%), calcular (97,03%) e identificar (94,75%) las medidas de asociación e identificar (22,8%) las medidas de posición relativas. En la estadística Inferencial, interpretar (87,8%) e identificar (87,13%) el estadístico utilizado y en la estadística de Salud el cálculo de los indicadores de morbilidad (18,8%), la clasificación de Pirámides (19,8%) y la identificación de sus características (17,07%).Conclusiones: se describen las frecuencias de errores de los estudiantes por ele-mentos del conocimiento y se obtienen las frecuencias de errores más altas correspondientes a identificar, calcular e interpretar, como errores más frecuentes.Palabras clave: didáctica; desarrollo de habilidades intelectuales; Ciencias Básicas BiomédicasABSTRACTObjective: to describe the main difficulties in the mastery of the skills in the subject methodology of research and statistics of the students of the Latin American School of Medicine. Method: a retrospective descriptive study was carried out. From a population of 1320 second-year students of Basic Sciences in the 2015-2016 academic year, a probabilistic sample of 404 students was selected. The partial and final evaluations were selected to determine the errors by knowledge and were grouped by skills. The percentage and the average were used as measures to summarize the information. The summarized information is presented in tables.Results: the ability to argue in Research Methodology constitutes the highest frequency of errors (33,5%) in a specific way in the approach of the scientific problem (59,1%). In descriptive statistics, the highest average was interpreting (35,6%), calculating (97,03%) and identifying (94,75%) the association measures and identifying (22,8%) the relative position measures. In the Inferential statistics, interpret (87,8%) and identify (87,13%) the statistic used and in the Health statistics the calculation of morbidity indicators (18,8%), the classification of Pyramids (19, 8%) and the identification of its characteristics (1,07%).Conclusions: the frequencies of students’ errors are described by elements of knowledge and the frequencies of higher errors corresponding to identifying, calculating and interpreting are obtained, as more frequent errors.Keywords: didactic; development of intellectual skills; Basic Biomedical Sciences

ABSTRACTObjective: to describe the main difficulties in the mastery of the skills in the subject methodology of research and statistics of the students of the Latin American School of Medicine. Method: a retrospective descriptive study was carried out. Fr... see more

The objective of this study was to analyze the development, reproductive parameters and consumption capacity of Harmonia axyridis, using Cinara atlantica as food. The average time of egg incubation was 3 d, duration of larval instars was 3.5, 2, 2.2 and 4... see more

Habilidades en Metodología de la Investigación y Estadística de los estudiantes de la Escuela Latinoamericana de Medicina / Skills in Research Methodology and Statistics of students of the Latin American School of Medicine Habilidades en Metodología de la Investigación y Estadística de los estudiantes de la Escuela Latinoamericana de Medicina / Skills in Research Methodology and Statistics of students of the Latin American School of MedicineObjetivo: describir las principales dificultades en el dominio de las habilidades en la asignatura Metodología de la Investigación y Estadística de los estudiantes de la Escuela Latinoamericana de Medicina. Método: se realizó un estudio descriptivo retrospectivo. De una población de 1320 estudiantes de segundo año de Ciencias Básicas en el curso 2015-2016 se seleccionó una muestra probabilística de 404 alumnos. Se seleccionaron las evaluaciones parciales y finales para determinar los errores por conocimientos y se agruparon por habilidades Se utilizaron el porcentaje y la media como medidas para resumir la información. Se presenta la información resumida en tablas.Resultados: la habilidad argumentar en Metodología de la Investigación constituye la de mayor frecuencia de errores (33,5%) de manera específica en el planteamiento del problema científico (59,1%). En estadística descriptiva el promedio más alto fue en interpretar (35,6%), calcular (97,03%) e identificar (94,75%) las medidas de asociación e identificar (22,8%) las medidas de posición relativas. En la estadística Inferencial, interpretar (87,8%) e identificar (87,13%) el estadístico utilizado y en la estadística de Salud el cálculo de los indicadores de morbilidad (18,8%), la clasificación de Pirámides (19,8%) y la identificación de sus características (17,07%).Conclusiones: se describen las frecuencias de errores de los estudiantes por ele-mentos del conocimiento y se obtienen las frecuencias de errores más altas correspondientes a identificar, calcular e interpretar, como errores más frecuentes.Palabras clave: didáctica; desarrollo de habilidades intelectuales; Ciencias Básicas BiomédicasABSTRACTObjective: to describe the main difficulties in the mastery of the skills in the subject methodology of research and statistics of the students of the Latin American School of Medicine. Method: a retrospective descriptive study was carried out. From a population of 1320 second-year students of Basic Sciences in the 2015-2016 academic year, a probabilistic sample of 404 students was selected. The partial and final evaluations were selected to determine the errors by knowledge and were grouped by skills. The percentage and the average were used as measures to summarize the information. The summarized information is presented in tables.Results: the ability to argue in Research Methodology constitutes the highest frequency of errors (33,5%) in a specific way in the approach of the scientific problem (59,1%). In descriptive statistics, the highest average was interpreting (35,6%), calculating (97,03%) and identifying (94,75%) the association measures and identifying (22,8%) the relative position measures. In the Inferential statistics, interpret (87,8%) and identify (87,13%) the statistic used and in the Health statistics the calculation of morbidity indicators (18,8%), the classification of Pyramids (19, 8%) and the identification of its characteristics (1,07%).Conclusions: the frequencies of students’ errors are described by elements of knowledge and the frequencies of higher errors corresponding to identifying, calculating and interpreting are obtained, as more frequent errors.Keywords: didactic; development of intellectual skills; Basic Biomedical Sciences

ABSTRACTObjective: to describe the main difficulties in the mastery of the skills in the subject methodology of research and statistics of the students of the Latin American School of Medicine. Method: a retrospective descriptive study was carried out. Fr... see more

There were analysed nine grape varieties, five destined for wine production (Aromat de Iasi, Pink Traminer, Italian Riesling, Feteasca Regala, Muscat Ottonel) and four varieties for table grapes (Timpuriu de Cluj, Chasselas dore, Muscat de Hamburg, Napoca... see more

In this study, the eggs produced in uncontrolled village conditions were compared to free-range, organic and cage-system in two seasons, in autumn and spring, in terms of external and internal quality traits. In the autumn and spring period, 110 eggs were... see more

1 of 1.635 pages  |  10  records  |  more records»