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在学习活动中,有一种有趣的现象:学了后续的知识,却对先前学习的知识识记造成了干扰,心理学中叫做“后摄抑制”。笔者在教学“商不变性质”后的练习中,就遇上了这种典型的心理学现象。课堂回放:教师出示练习:860÷40=()……()我在学生中间巡视的时候,惊奇地发现很多学生是如下列算式的:稍后我与他们校对结果,竟然有一半是这样做的。师:现在出现了两种结果,(21……20和21……2)哪一种是正确的?如何验证?
In the learning activities, there is an interesting phenomenon: learn the follow-up knowledge, but the knowledge of previous learning to identify the interference caused by psychology called “backsliding inhibition ”. The author in the teaching “business invariable nature ” after the practice, met this kind of typical psychology phenomenon. Classroom Rehearsal: Teacher Presenting Exercises: 860 ÷ 40 = () ... () While I was visiting the middle of the students, I was surprised to find out that many students are following formulas: Later on, I collated the results with them, and half did so of. Teacher: Now there are two results (21 ... 20 and 21 ... 2) which one is correct? How to verify?