Claims that computers and other high technology can replace teachers and staff, thereby reducing educational costs, are unwarranted for several reasons. First, most cost analyses focus on hardware costs, which are not the major factor directing the cost of computer assisted instruction (CAI). Second, technology is more likely to change the skill…

This report describes a computer managed instruction (CMI) system operated by the Navy which involves approximately 9,000 students a day in ten technical training schools, and the research and development effort that has taken place to ensure the most cost-effective and productive technical training system. Major system problems were identified…

This metaanalysis of 32 comparative studies shows that computer-based education has generally had positive effects on the achievement of elementary school pupils. However, these effects are different for off-line computer managed instruction and interactive computer assisted instruction (CAI); interactive CAI produces greater increases in student…