Technologists working in informal educational settings must adapt instructional design models to special needs. This article describes the analysis, design, development, implementation and evaluation of an interactive videodisc exhibit at a natural history museum. Advantages of using an existing videodisc are discussed and design requirements for museum environments and interactive videodisc-based exhibits are examined. Data are presented suggesting that systematically designed videodisc exhibits can attract and hold visitors' attention for longer periods of time than conventional exhibits.
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