心理学研究表明:没有充分的感性认识为基础,就没有理性认识的发展。小学生的思维仍然是以具体形象为主,他们的抽象、概括、判断、推理必须建立在充分感知的基础之上。信息加工理论认为:学习者学习时不仅要关注已有的信息和认知图式,而且还要关注学习对象刺激的特征。 Psychological research shows that: Without adequate perceptual knowledge as the basis, there is no rational understanding of the development. Primary school students’ thinking is still based on specific images. Their abstraction, generalization, judgment and reasoning must be based on sufficient perception. Theory of information processing that: learners learn not only focus on existing information and cognitive schema, but also pay attention to the characteristics of the learning object stimulation.