This self-instructional module includes learner objectives, text, practice exercises and answer sheets addressing developments in research on learning environments and why instructional technologists should take the lead in applying the resulting knowledge to the design of training areas. Favorable learning environments are described in general terms, and specific characteristics of well-designed training facilities are described in detail. Elements covered include classroom size and shape, window and wall structure, and furniture design. The use of color and its psychological effects are also examined. A 15-item test is included. (Author/LMM)