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espanolLa evaluacion es un aspecto esencial del aprendizaje, siendo los bancos de items un recurso comun para realizar este tipo de quehaceres. La evaluacion profesional utiliza bancos calibrados, siendo la calibracion un proceso para la estimacion de parametros de dichos items, por ejemplo, la dificultad. Una opcion para la calibracion de items es el proceso basado en utilizar un panel de expertos para recabar sus valoraciones y determinar a partir de ellas los parametros. Este articulo describe CALLIE-PRO: un sistema que personaliza y automatiza el proceso de calibracion de items basado en el juicio de expertos. El sistema guia al usuario recomendando una opcion para cada decision que hay que tomar, adaptandose a alteraciones en la especificacion y avisando de decisiones no recomendables o incorrectas. Ademas, a partir de la especificacion del proceso, genera un paquete de contenidos de e-learning que se puede incluir en un sistema de gestion del aprendizaje (LMS) como, por ejemplo, Moodle. El paquete se encarga de recopilar los juicios de expertos a traves de la red y finalmente, genera un workflow ejecutable con las actividades que se deben realizar utilizando los datos recopilados, generalmente estudios y calculos, para estimar la dificultad de los items. EnglishEvaluation is a key issue in learning and item banks are very common resources used to perform activities related to it. Professional evaluation deals with banks that are calibrated, which means that the parameters of the items (for example, their difficulty) have previously been estimated. One option for item calibration consists in gathering the assessments of a panel of experts and using them to determine the values of the item parameters. This paper describes CALLIE-PRO: a system that customizes and automates the process of item calibration based on expert judgment. It guides the user by recommending a choice for every decision to be made, adapting to changes in the specification, and warning of non advisable or incorrect choices. It also creates an e-learning content package that depends on the process specification and can be included in a learning management system such as, for example, Moodle. This package is responsible for gathering the assessments of the experts via the internet and generating an executable workflow that will include the activities to be performed, which are mainly analyses and calculi, by using all gathered data. Finally, the system provides estimates for the parameters (difficulty) of the items.

Sistema de ayuda para la calibración de ítems por el procedimiento basado en el juicio de expertos