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Mostrando publicaciones 2287-2306 de 5060
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Factores que influyen en la realización frecuente de los experimentos propuestos en libros de texto, entregados por el Ministerio de Educación, Editorial Cal y Canto, de segundo grado nivel medio, en la unidad "Disoluciones Químicas"
(Universidad Católica del Maule, Facultad de Ciencias Básicas, 2014)Esta investigación consiste en analizar cómo influyen los factores tales como la cantidad de alumnos, el tiempo utilizable, la disponibilidad de materiales y reactivos, y los intereses de los estudiantes, en la frecuencia ...
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Factors associated with anxiety, depression, and stress levels in high school students
(2023)This study aims to investigate the relationship between anxiety, depression, and stress levels with physical activity level and academic performance in high school students; secondly, this study aims to relate and compare ...
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Factors associated with poor health-related quality of life in physically active older people
(2022)This study aimed to associate morphological variables and physical fitness with healthrelated quality of life (HRQoL) in physically active older people. A cross-sectional study was carried out that evaluated 470 older ...
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Factors associated with transitioning from suicidal ideation to suicide attempt in the short-term: two large cohorts of depressed outpatients
(2023)Background This study explores factors associated with transitioning from recent suicidal ideation (SI) to suicide attempt (SA) in depressed outpatients. Methods This is a case-control study nested in two cohorts (LUEUR ...
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Faculty members representations of first years students in Chile
Precht Gandarillas, Andrea
; ; ; (2018)
Se propone comprender las representaciones sociales de los académicos respecto del compromiso de los estudiantes de primer año con su aprendizaje. Los participantes fueron dieciséis académicos que enseñan a estudiantes ...
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Familia y motivación escolar: Desafíos para la formación inicial docente
Precht Gandarillas, Andrea; ; ; (2016)
El presente artículo tiene como objetivo indagar en las representaciones que tienen los profesores en formación sobre el rol de la familia en la motivación escolar y los desafíos que estos resultados imponen a la formación ...
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Las familias ante las escuelas en estudios chilenos: Algunos supuestos bajo sospecha
; ; ; Precht Gandarillas, Andrea (2021)
El trabajo problematiza la producción de sentidos respecto de las relaciones entre las familias y las escuelas en Chile. Analizamos 25 artículos correspondientes a la producción científica chilena de 9 autores desde iniciados ...
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Familias rurales y sus procesos de transformación: Estudio de casos en un escenario de ruralidad en tensión
(2012)El mundo rural ha tenido transformaciones a partir de los procesos de modernización y globalización. Sobre la realidad de las familias rurales poco se conoce y en general se hacen aplicaciones, como si tuvieran la misma ...
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Family profiles based on family life satisfaction in dual-earner households with adolescent children in Chile
(2022)Research has stressed the importance of the family domain for the individual's well-being, but the heterogeneity/homogeneity of satisfaction with family life between and within families have not previously assessed. This ...
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Far away, but yet so close. Urban teacher education and rural schools: directors’ point of view
; Precht Gandarillas, Andrea; ; (2022)
Policymakers and teacher educators have long discussed whether specialised preparation of teachers who work in rural areas is necessary. The objective of this research is to learn more about teacher educators’ perspectives ...
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Farm level adaptation decisions to face climatic change and variability: Evidence from Central Chile
(2014)Climate change represents one of the biggest threats to agriculture today. The aim of this paper is to analyze the decision and intensity of adaptation to this phenomenon among farmers in Central Chile and to identify the ...
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Farmer's options to address water scarcity in a changing climate: Case studies from two Basins in Mediterranean Chile
(2016)Irrigated agriculture in Mediterranean areas faces tremendous challenges because of its exposure to hydroclimatic variability, increasing competition for water from different sectors, and the possibility of a climatic ...
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Farmers’ perception of climate change in mediterranean Chile
(2015)Meteorologists predict that climate change will have an increasing impact on ecosystems and agricultural production; however, many farmers do not have a clear perception of climate change or how it may affect their crop ...
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Fascinación por lo latente. El reverso develado de las imágenes fotográficas escolares
(2022)Este artículo analiza lo que nos cuentan las imágenes fotográficas en su reverso y en las huellas del verso, a través de las anotaciones, marcas o descripciones que contienen, que entregan información importante de su ...
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Fascículo Distal del Ligamento Tibiofibular Anterior: Presencia, Biometría y Relación con la Tróclea Talar
(2020)El ligamento tibiofibular anterior suele presentar un fascículo distal independiente de la banda principal, denominado fascículo distal del ligamento tibiofibular anterior (FD-LTFA). Este discurre oblicuamente, cubriendo ...
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Fast finger vein recognition based on sparse matching algorithm under a multicore platform for real-time individuals identification
; Barrientos, Ricardo; ; ; Mora, Marco ; ; (2019)
Nowadays, individual identification is a problem in many private companies, but also in governmental and public order entities. Currently, there are multiple biometric methods, each with different advantages. Finger vein ...
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Fast kNN query processing over a multi-node GPU environment
Barrientos, Ricardo; ; ; ; (2022)
The kNN (k nearest-neighbors) search is currently applied in a wide range of applications, such as data mining, multimedia, information retrieval, machine learning, pattern recognition, among others. Most of the solutions ...
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Fast tuning of extreme learning machine neural networks based with simple optimization algorithms
; Mora, Marco; ; ; (2022)
Extreme Learning Machine (ELM) is a neural network training paradigm that is characterized by simplicity, speed and high level of accuracy. The tuning of the network parameters is normally carried out with non-linear ...
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Fat-free mass and bone mineral density of young soccer players: Proposal of equations based on anthropometric variables
(2019)Background: The assessment of body composition may assist in optimizing competitive efficiency and monitoring the success of training regimes for young soccer players. The purpose of this study was to determine the predictors ...
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Fatigue and conformist traits in the performance of young swimmers
(2021)Objetivo: Determinar la relación entre la fatiga de los nadadores adolescentes en competencias de alto nivel, durante dos períodos continuos de máximo rendimiento, y el grado en que los nadadores se ajustan a las normas ...