Knowledge confusion refers to the generalization of mathematical consciousness, which causes confusion of thinking and hinders the continuous learning of new knowledge. Can be explained by psychological theory:

1. Sequence position effect refers to the influence of the position of the memory material on the memory effect, including the first cause effect and recency effect. The material at the beginning of the series is better remembered than the material in the middle of the series, which is called the first cause effect or the first cause effect; The material at the end of the series is easier to remember as a recent effect or a recent effect than the material in the middle of the series.

2. The preparation state formed by certain psychological activities plays a positive or negative role in promoting psychological and behavioral activities such as perception, memory, thinking and emotion in the future.

3. Functional fixation Functional fixation means that people tend to give an object a certain function, and the original behavior will not be considered. The causes of functional fixation include psychological factors and behavioral habits. Functional fixation has a negative impact on our creative problem solving, so we should take various measures to eliminate this negative impact.