“…The Air Force program called the Advanced Instructional System (AIS) (Rockway & Yasutake , 1974) utilizes both computer-managed instruction (CMI) and computer-assisted instruction (CAl) to achieve this goal. Conventionally, CAT is considered to be an intensive on-line interaction between student and computer lasting over extended periods of time , while CMI provides guidance for instruction with intermittent interactions between computer and student.…”