Patent US 6,793,498

The system is loaded with a database of developmental networks and associated activity modules. The user selects a node in a developmental network and an associated activity module is activated which gives the student a multimedia presentation of some area of learning. The student's responses are evaluated and the corresponding node is marked as passed or failed accordingly. The nodes in a network are connected by links between nodes for a skill and nodes for easier skills that a student should have, it is expected, if the student has that skill. The student'schoice of activity if restricted according to which nodes in a network have been failed. Interfaces for allowing the user to make a selection among the available nodes are also disclosed.