The most famous child psychologist in modern times is Piaget of Switzerland. He is the founder of genetic epistemology. He systematically studied children's psychology from the perspective of the occurrence and development of cognition, telling us how children know the world. He put forward the famous theory of children's psychological development stages. The key points are: 0 ~ 2 years old, nastic movement stage. Through feeling and action, we can understand the concept of object eternity, from instinctive reflex action to purposeful activity. 2~7 years old, preoperative stage. Can express concepts in language, but has a tendency to be self-centered, can represent objects with symbols, can think but have no logic, and cannot fully understand things; 7~ 1 1 year, specific operation stage. Can solve problems according to specific empirical thinking, understand the principle of reversibility, understand the principle of conservation, reduce the degree of "self-centeredness" and improve the ability to communicate with people; 1 1~ 15 years old, officially operating. Can abstract thinking, can solve problems according to the scientific rules of hypothesis testing, and can think problems according to the rules of formal logic. If you take primary school courses in kindergarten, it violates the cognitive laws of children, and the consequences are equivalent to "pulling out the seedlings to encourage them." Its hazards are as follows:

1, affecting growth and development.

Scientific research has proved that children's cognitive development has stages, and different ages show different psychological characteristics. The development of cognitive structure is a continuous construction process, and each stage is the development of the previous stage, which lays the foundation for the next stage. Each stage has specific learning contents and methods. The contents of kindergarten and primary education are very different. The length of class hours, requirements for indoor and outdoor activities, and rest and exercise time are all different. Artificially exceeding a certain stage is equivalent to letting a child who is suitable for carrying a burden of five kilograms carry ten kilograms. On the surface, it looks stronger than children of the same age, but in fact it hurts the knee joint and bones. It is equivalent to removing a few bricks used to lay the foundation and laying them on the wall when building a building. On the surface, it is faster than others, but when the building is high, it is found that there is a problem with the foundation, which is beyond remedy. Children's growth and development cannot be "repeated", and it is difficult to "make up" what is missing at a specific stage.

2. Affect interest in learning.

Children's psychological development in kindergarten is in the "pre-calculation stage", so we should take the game as the center, exercise in playing, develop intelligence and cultivate imagination. The psychological development of primary school students is in the "concrete operation stage", and it will be very difficult for students in the previous stage to learn what they have learned in the later stage. Because it is difficult, they may not like it and have no interest. Once you lose interest, the consequences are unimaginable. Children aged 6-9 have entered a period of cultural sensitivity, and there is a strong demand to explore the mysteries of things, so all countries in the world have decided to read the first grade at the age of 6. Pinyin, writing, arithmetic and English, which are learned in advance in kindergarten, have to be learned again in primary school. Other students are full of interest. If they learn in advance, they will feel "boring" if they master it. Those who have not mastered in advance are already "boring", and it is very easy to have rebellious psychology when learning again, which is very unfavorable for children's follow-up study.

3, affect the overall quality.

Whether a person can achieve something in his study and work depends on his comprehensive quality. From the perspective of school education, it emphasizes the all-round development of morality, intelligence, physique, beauty and labor. From a sociological point of view, it emphasizes IQ and EQ. Some scholars have analyzed that a person's success accounts for 20% of IQ and 80% of EQ. In fact, a truly successful person is often a model of combining IQ and EQ. So, when is the critical period for the formation of IQ and EQ? Childhood, of course. There are more than140 billion cells in the human brain, of which 70~80% of brain cells are formed before the age of 3. The newborn's brain weighs about 390 grams, which is equivalent to one third of the adult's brain. At the age of 7, the brain weighs about 1230 grams, which is equivalent to nine tenths of that of an adult brain. The development of the brain needs the stimulation of all kinds of information, and monotonous and poor stimulation will inevitably affect its IQ. Therefore, preschool education experts do not advocate over-specialized education for children.

Both scientific research and actual situation show that before the age of 6, people's behavior habits, emotions, attitudes and personality rudiments are basically formed, which is an important period for children to develop good social behaviors and personality qualities such as politeness, friendliness, helping others, sharing, humility, cooperation, responsibility and liveliness, which affects and determines the future development direction, nature and level of children's personality. Therefore, kindergarten education must follow the law of children's growth and lay a good foundation for their future development. Parents and kindergartens should reach a consensus that laying the foundation is the most important project, and we should not rush for success and never cut corners. Otherwise, haste makes waste.

That's right, pulling out seedlings encourages danger!