This document discusses instructional materials and their development. It begins by outlining the objectives of discussing types of instructional materials, the designer's role, components of instructional packages, and criteria categories. It then defines instructional materials and lists examples like technology, textbooks, and worksheets. It describes the designer's roles as a facilitator, active agent, and instructor. An instructional package contains materials, assessments, and a course management system. Criteria categories include goal-centered, learner-centered, learning-centered, and context-centered tests. Media selection considers the level of teacher assistance, material access, and presentation of content. In summary, the document emphasizes that instructional material development considers delivery methods and criteria