The document discusses the theoretical foundations of instructional technology. It covers three main foundations: psychological foundations, learning environments, and learner motivation. For psychological foundations, it describes theories of behaviorism, cognitivism, and constructivism. It also discusses Gagne's nine events of instruction. For learning environments, it discusses constructivism, experiential learning, objectivism, and scaffolding. For learner motivation, it covers Keller's ARCS model and Maslow's hierarchy of needs. The author explains how they incorporate aspects of each foundation in their own teaching to provide a quality educational experience for students.