2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/111058The general set of HCI and Educational principles are considered and a classification system constructed. A frequency analysis of principles is used to obtain the most significant set. Metrics are devised to provide objective measures of these principles and a consistent testing regime devised. These principles are used to analyse Blackboard and Moodle.Human-Computer InteractionMachine Learningtext