ActivEpi Companion Textbook : A supplement for use with the ActivEpi CD ROM This Companion Textbook supplements the ActivEpiCD ROM sold separately. The ActivEpiCD ROM provides a multimedia presentation of concepts commonly taught in an introductory epidemiology course. ActivEpimixes a full array of media to motivate explain visualize and apply epidemiological concepts. Virtually all of the material on the ActivEpiCD ROM is included in the Companion Textbook. Because individuals differ in their learning skills the ActivEpiCD ROM and the ActivEpiCompanion Textbook offer readers different but related options on how to learn epidemiology. The Textbook can be used as a hardcopy reference of the textual materials contained on the CD ROM as a resource for the practice exercises as a general reference or even a self contained textbook.The ActivEpi CD ROM uses:Video to instill real world motivation for learning and applying epidemiological conceptsNarrated Expositions to teach the concepts using high quality audio synchronized with text pictures and animationsQuizzes to provide self evaluation of basic terms and conceptsData Desk to provide practice applying the methods learned to real dataNavigational Tools such as a dynamic table of contents index and glossary to allow easy to use methods for working through contentWeb Links to augment the material on the CD with complementary content authored by others.ActivEpiincludes 15 lessons and over 50 hours of content via more than 250 launchable activities and homework exercises. It can be used in a variety of teaching formats: distance learning self paced learning on campus courses and short courses. For the latest additions to ActivEpi visit David Kleinbaums website.http: www.sph.emory.edu ~dkleinb activepi.htm