Gagne's hierarchy of learning

例句：

1. 1. In the Gagne's hierarchy of learning, the first step is to understand the basic concepts and principles.
   在加涅的学习层次理论中，第一步是理解基本概念和原理。
2. 2. The Gagne's hierarchy of learning emphasizes the importance of prior knowledge in learning new skills.
   加涅的学习层次理论强调了先验知识在学习新技能中的重要性。
3. 3. According to Gagne's hierarchy of learning, effective learning requires a balance between cognitive and affective factors.
   根据加涅的学习层次理论，有效的学习需要在认知和情感因素之间取得平衡。