Abstract
This work proposes an innovative visual tool for real-time continuous learners analytics. The purpose of the work is to improve the design, functionality, and usability of learning management systems to monitor user activity to allow educators to make informed decisions on e-learning design, usually limited to dashboards graphs, tables, and low-usability user logs. The standard visualisation is currently scarce, and often inadequate to inform educators about the design quality and students engagement on their learning objects. The same low usability can be found in learning analytics tools, which mostly focus on post-course analysis, demanding specific skills to be effectively used, e.g., for statistical analysis and database queries. We propose a tool for student analytics embedded in a Learning Management System, based on the innovative visual metaphor of interface morphing. Artificial intelligence provides in remote learning immediate feedback, crucial in a face-to-face setting, highlighting the students’ engagement in each single learning object. A visual metaphor is the representation of a person, group, learning object, or concept through a visual image that suggests a particular association or point of similarity. The basic idea is that elements of the application interface, e.g., learning objects’ icons and student avatars, can be modified in colour and dimension to reflect key performance indicators of learner’s activities. The goal is to provide high-affordance information on the student engagement and usage of learning objects, where aggregation functions on subsets of users allow a dynamic evaluation of cohorts with different granularity. The proposed visual metaphors (i.e., thermometer bar, dimensional morphing, and tag cloud morphing) have been implemented and experimented within academic-level courses. Experimental results have been evaluated with a comparative analysis of user logs and a subjective usability survey, which show that the tool obtains quantitative, measurable effectiveness and the qualitative appreciation of educators. Among metaphors, the highest success is obtained by Dimensional morphing and Tag cloud transformation.
Highlights
The diffusion of remote learning in the scenario of schools and university, boosted by the recentCOVID-19 pandemic, offers new challenges to educators and web designers
The theme format allowed us to create a customised visualisation of the elements without modifying the functionality of the learning management systems (LMS), in a modular way easy to install
When turning on the monitor features, an additional section is displayed in the standard interface, above the current course learning objects
Summary
The diffusion of remote learning in the scenario of schools and university, boosted by the recentCOVID-19 pandemic, offers new challenges to educators and web designers. The diffusion of remote learning in the scenario of schools and university, boosted by the recent. The e-learning scenario requires the use of new methods to develop and deliver content [1], as well as new strategies to collect and analyse students’ direct and indirect feedback. Students feedback is valuable for evaluation and analysis of students engagement and teachers’ evaluation of learning objects and resources [2] based on their usage in a precise learning design (LD) process. The importance of designing the learning process. Sci. 2020, 10, 7195 stands in a user-centred representation of the pedagogical intention. These strategies do not take into account the patterns of students’ engagement, paramount for the learning process
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