El modelo educativo (Science, Technology, Engineering and Mathematics) propone entre sus actividades el desarrollo de ciertas habilidades que deben adquirir los estudiantes desde niveles iniciales. Este artículo consiste en describir cómoéste constructo pedagógico puede determinar, a través de proyectos colaborativos interdisciplinarios, habilidades profesionales para el desarrollo de actividades I + D + i para la estimación de la demanda de energía eléctrica en zonas rurales y urbano-marginales del cantón Guayaquil. El modelo promueve algunas estrategias de aprendizaje en los estudiantes del nivel
The objective of this work is to validate a questionnaire using the a priori market segmentation technique for the development of a biodigester prototype based on green technology. The structure of the instrument will allow us to obtain information on the design characteristics of the biodigester according to the variables that are associated with market segmentation from the point of view of the consumer (head of household). For this, a team of experts is created who propose and evaluate the attributes that the instrument will measure for data collection. The sample consisted of 10 experts in the area of renewable energy and energy techniques of different nationalities. The contribution of the study depends on the understanding of the construct and the technical characteristics of the prototype design. This work shows the procedure developed to estimate the content, construct and internal consistency validity of the in stru m en t. The construction and validation process resulted in a questionnaire made up of six structures or segmentations aimed at collecting informa tio n on the future structure, production, consumption, perception and environmental information of the families of the marginal urban secto rs of the city of Guayaquil. The results indicate that the judgment of the experts is consistent in applying the questionnaire to households in the marginal urban sector and that the instrument is completely reliable in achieving the objectives of the current research.
The present study focuses on analyzing the sociodemographic factors that influence the consumption of domestic gas and the possibility of designing an anaerobic doser fed with organic food. The purpose is to produce methane gas to replace the ibuprofen gas of the 16 kg cylinders currently used in the kitchens of urban houses. For the evaluation of the design and its feasibility of being built the anaerobic doser was carried out an investigation of the different sociodemographic factors that can significantly influence the consumption of domestic gas in marginal urban homes. In making the decision of type of load for the anaerobic device, a sample was taken in 285 households in the urban area of the City of Guayaquil, where the inhabitants of each household have the same urban organic resources and assess them. An interview was conducted with each head of the household through a questionnaire with 13 items in order to propose the phases to follow in the investigation. The results indicate that the assumption: "Sociodemographic factors have a significant influence on consumer decision-making as a source of energy in urban households in the city of Guayaquil".
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