This proposal consists of a series of questionnaires through which the measurement is done by teachers, IT specialists and students. The proposed model for evaluating educational software under a quality system approach offers a methodology and study of pre-selection for the acquisition of educational software as well as field studies for validation of software or questionnaires to students in formats, depending on whether the software you want to evaluate commercially purchased as an end product (educational institutes, teachers, parents) or are under development (production of educational software).The novelty of this tool is that it quantifies the metrics for assessing quality from three categories, Functionality, Usability and Reliability, with their respective metrics, determining whether the quality of educational software is basic, intermediate or advanced.The structure of the model consists of four levels as follows:• Level 0/Dimensions: Internal and contextual aspects of the product are the two dimensions are applied in the Matrix of Global Systemic Quality. (Callaos and Callaos, 1996)• Level 1/Classes: where the application of the three categories Functionality, Usability and Reliability.• Level 2/Characteristics: Each category has an associated set of characteristics, which define the key areas to achieve a satisfying, secure and control the quality in the product or process. It also added the secondary characteristics that affect each category.• Level 3/Sub features: Some of the features are associated a set of characteristics grouped under each of the features and accompanied with the unique key that identifies them.• Level 4/Metrics: For each feature proposes a set of metrics used to measure the quality system designed to evaluate the use of the virtual platform DIT On-line, using the most appropriate platforms and virtual courses.However, given that the course is an ELT in the virtual platform DIT On-Line, will also be a model for this assessment system, but the following three related dimensions, their characteristics and specific evaluation criteria from Virtualization SANTOVEÑA (2005), point of greatest importance in virtual courses.The three main dimensions are the overall quality of the environment, quality teaching and methodological and technical quality.
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