Interactive instructional experience between a computer and a learner in which the computer provides the majority of the stimulus and the learner responds, resulting in progress toward increased skills or knowledge.  Has a more complicated branching program of mediation and answering than CAI.  Now an all-encompassing term used to describe any computer-delivered training including CD-ROM and the World Wide Web. Some people still use the term CBT to refer only to old-time text-only training.