The time required to develop CAI materials depends a great deal upon the authoring system, the expertise of the development team and the complexity of the instructional application. Examples of some current authoring systems are Asymetrix ToolBook, Icon, Macromedia Authorware, Macromedia Director, Podium, Quest Multimedia and TenCORE Producer.
As the types of CAI programs become more sophisticated (ie, tutorial rather than drill and practice)
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