Besides the traditional tutoring paradigm (question and answer game between pupil and teaching device), many new C.A.L. programs (Computer Aided Learning) heavily rely on free exploration. Though many good examples show us that exploration can have a deep learning effect, it is quite the question how far guided instruction can be substituted by discovery learning, and by self monitoring of the student.
/lp/association-for-computing-machinery/textvision-a-software-tool-to-visualize-conceptual-knowledge-using-the-oPybjowfY6