Chapter 3 discusses gagne ' s contributions to this field especially his influence on american educational technology ' s development , from which the chinese educational technology practitioners could comprehend gagne ' s theory more deeply . the chapter includes three aspect : gagne surpassed b . f . skinner ' s behaviorism , and eventually promoted instructional design from behaviorism - based to cognitive psychology - based ; established " conditions - of - learning paradigm " of instructional design , and lead to the connection of learning theory , instructional theory and instructional practice which is actually the form and development of instructional design ; contr 本章研究将加涅对教育技术学发展的贡献概括为三个方面:加涅对斯金纳新行为卞义的超越,促成以行为主义为理论基础的教学设计到认知主义的转变;确立基于“学习条件”的教学设计范型,促进学习理论、教学理论与教学实践的内在结合;构建以研究“有效学习条件”为核心的教育技术学理论基础框架,从而推动学科理论的建设与发展。