“尝试与错误”是建立在大量事实基础上并对教育教学等过程具有重要指导意义的学习行为理论。本文在全面论述这一理论在个体不同智力发育阶段的作用特点的基础上,提出“尝试与错误”在教学过程中的应用要依据个体不同学习阶段的具体情况,因人、因事而异。 “Try and error” is based on a large number of facts and teaching and education process has important guiding significance of the theory of learning behavior. Based on a comprehensive discussion of the role of this theory in the different stages of intellectual development, this paper proposes that the application of “try and error” in the teaching process depends on the specific circumstances of individuals at different stages of learning.