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The educational electronic resources are increasingly present in the current learning processes. The development of Internet and the evolution of the communication and information tools have transformed the educational panorama conforming new spaces with new functionalities and educational methodologies. All of them take the virtuality and the digital factor as a common denominator. Therefore, for the educational community there appears as an unavoidable need the establishment of a set of clear and relevant criteria of evaluation that allow to determine the quality of these educational electronic resources, and to guarantee the excellence of the learning processes. This article proposes a model of criteria for the evaluation of the quality of these resources, based on a complete review of the different perspectives of evaluation across the scientific literature, as well as of the critical analysis of some of the tools used to value these resources in different educative areas. The result has been the design of the online tool EVALUAREED, based on a mixed methodology, which combines the expert's judgment and the automated analysis. [ABSTRACT FROM AUTHOR]

Los recursos electrónicos con fines educativos están cada vez más presentes en los procesos de enseñanza-aprendizaje actuales, y por tanto, en las colecciones digitales de las bibliotecas. Ante su proliferación y heterogeneidad cada vez mayor se ha planteado como una necesidad para la comunidad universitaria definirlos y establecer un conjunto de criterios claros y relevantes de evaluación que permitan determinar la calidad de los mismos. En este trabajo se analizan las principales definiciones sobre recursos educativos electrónicos de cara a su acotación, se revisan las diferentes perspectivas para la evaluación de su calidad a través de la literatura científica, y se revisan las principales herramientas utilizadas para valorarlos. Finalmente, se presenta EVALUAREED, un instrumento diseñado para analizar y medir la calidad de los mismos, enfocado para ser utilizado por la comunidad universitaria, incluidas las bibliotecas.