This document discusses a teacher, Somsri, and her instructional methods. It contains three missions or assignments: 1. Analyze why Somsri's instructional media is not successful. It is because she does not use instructional design theory and focuses only on memorization. 2. Explain the relationship between instructional design concepts and learning materials. Different learning theories like behaviorism, cognitivism, and constructivism influence this relationship. 3. Discuss the basis for instructional design and media with changing social/educational paradigms. New skills and student-centered approaches are considered along with content, student ability, technology, and learning theories. Constructivism and related instruction