MODELIPLUS

The MODELI+ project aims at the multidisciplinary design of a 3D tool for learning anatomy, innovative because it can be adapted to the spatial capacities and the visual and cognitive strategies of the learner. It is based on a user-centered evaluation and design methodology rooted in learning analytics and educational technologies. Our main objective is to define models to predict the learner's performance and to understand the reasons for success or failure, by observing the pedagogical use of the tool, taking into account the differences interindividual (cognitive, emotional, perceptual, motivational, etc.) in terms of information processing. Learning anatomy requires spatial abilities on the part of students, such as mental rotation or motor imagery. Cognitive load is modulated according to spatial abilities, which may determine learning. It is therefore a question of not overloading the working memory and of favoring the essential load via the adapted courses, whatever the spatial capacities of the learners. The duration and the priority fixation points being different according to the spatial capacities (analytical vs holistic reasoning), it is possible to improve the learning of the students by guiding their visual exploration in a differentiated way. Based on the learner's activity, data will be produced from the results of psychometric tests (spatial abilities, cognitive load, psychosocial variables) and performance (success in anatomy knowledge checks ), as well as data directly from the activity itself: timestamped traces, such as computer traces (from logs), behavioral data (oculographic – OCG) and physiological data (electrodermal – AED), intimately related to cognitive load. Then, we seek to highlight multidisciplinary models for predicting and explaining performance, by analyzing this data using computer methods that fall under data science and learning analytics. MODELI+ will thus be able to personalize the views of these structures in adapted routes, according to the data collected (interactions between the AED – OCG coupling, cognitive load, computer logs and spatial capacities) and compared to performance. After a spatio-anatomical test, each course will contain exercises for the kinetic breakdown of movements, for the identification of muscle contraction regimes (concentric, eccentric, isometric) or for the selection of the muscular synergies necessary for a good performance of the movements. What may constitute differences between the courses will be in particular: the addition of training exercises in spatial capacities for students encountering difficulties in visualizing anatomical structures; visual cues for these same students by highlighting areas of interest of anatomical structures, and lighter cues for those without these difficulties; an adequate balance between graphic, verbal and textual information according to the spatio-anatomical profile; the ability to choose a suitable font size and color based on user preferences. To verify the research hypotheses and design an adaptable version, MODELI+ will develop the tool through an integrated engineering approach between developers, researchers, teachers and students via a robust multidisciplinary methodology. Each version of the tool will be evaluated through an iterative design-evaluation process. This is organized in two successive stages: the laboratory protocol, then the validation and implementation of the tool in an ecological context.