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The Affordability and Efficacy of MCAI-Reply

Robert A. Waugh, MD; Joan W. Mayer, MD; Robert E. Safford, MD; Joel M. Felner, MD
Arch Intern Med. 1995;155(15):1682-1684. doi:10.1001/archinte.1995.00430150178022.
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In reply  We appreciate the comments of Wofford and Wofford and the opportunity to respond. With regard to the expense of multimedia computer-assisted instruction (MCAI), there are two types of cost associated with its production: system costs and development costs. System costs are determined primarily by hardware, eg, laser disc vs CD-ROM technology. We chose the former in order to achieve the highest possible video quality. Development costs depend on a variety of factors, including whether the authoring program is off-the-shelf or has to be developed and the number of people involved with the effort. We developed authoring and administrative software and chose a consortium approach. These steps have afforded unique software advantages and have allowed us to draw on a diverse pool of talent for illustrative materials as well as program design and content. Some initial costs, such as those related to hardware and software development, were considerable but


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