The document summarizes research on the use of performance as an interpretive tool in museums and historic sites. Some key findings from the research include: 1) Performance can have a long-term impact on audiences and is frequently more memorable than other aspects of museum visits. 2) Well-designed performance is one of the most powerful ways to enhance visitor understanding and appreciation of difficult topics. 3) Interactivity and participation in performances greatly aid audience recall and understanding of the site and its collections.