This multimedia package demonstrates how to use the Infant/Toddler Environment Rating Scale (R)-Revised Edition (ITERS-R). Each training package contains an interactive videotape and an Instructor's Guide, which explains how to present the various training activities and provides answers for commonly asked questions. A companion 24-page Video Guide and Training Workbook, to be used in conjunction with the videotape, is sold separately. A personal copy of the Video Guide and Training Workbook, which may be reproduced for use in the classroom for educational purposes only, is required for each participant.