The offer of new possibilities for teaching and learning with new media increase the complexity of educational environments. This fact consequently increments the possibility of negative learning outcomes, and makes the development of student-instructor trust more difficult. The design of procedures for learning activities may decrease s complexity by guiding students in the use of complex learning devices. On the other hand, if procedures are not designed, students are pushed to find out by themselves how to use learning devices, acquiring meta-cognitive abilities. On the basis of both theory and a case study, conclusions are drawn and expressed as guidelines for managing the introduction of new media in education from the point of view of instructional design