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The instructional effectiveness of a radiology multimedia textbook (HyperLung) versus a standard lecture
M P D'Alessandro1, J R Galvin, W E Erkonen
1Department of Radiology, University of Iowa College of Medicine, Iowa City.
Rationale And Objectives:
Information overload is a significant problem for the modern radiologist. This prospective study compares the instructional effectiveness of a multimedia textbook (HyperLung) with a lecture. HyperLung is a radiologic multimedia textbook about imaging diffuse lung disease created using a multimedia authoring tool, the Annotator (the University of Iowa Second Look Computing, Iowa City, IA), on the Apple Macintosh computer (Apple Computer, Cupertino, CA).
Methods:
Forty-nine staff physicians and residents in the Department of Radiology were randomized to receive instruction either by HyperLung or by a lecture. The instructional content was the same in both groups, and both groups were tested before and after instruction. The actual time spent in each instructional situation was recorded.
Results:
The instructional effectiveness of the multimedia textbook and lecture was equal. The instructional efficiency of HyperLung was only 60% of the lecture. Users of the multimedia textbook found it enjoyable and straightforward to use.
Conclusions:
Multimedia textbooks have a promising future in radiology education.