1, which means

The main development of babies is to meet physiological needs, develop trust, overcome distrust and experience the realization of hope. Babies experience trust and security in the process of meeting their physiological needs. On the contrary, babies will feel insecure and distrustful about their surroundings. When they feel hungry, cold, uncomfortable and crying, if they can get the care and care of their mothers or other caregivers in time, they will feel safe and form a basic sense of trust.

2. Advantages and disadvantages

The advantage is that the conversation method is especially helpful to stimulate students' thinking, arouse their enthusiasm for learning and cultivate their ability of independent thinking and language expression. Disadvantages are small scope of application and time-consuming.

The research methods of children's developmental psychology are as follows:

1, observation method

Understand children's psychological development by observing their behaviors in specific situations. The advantage is that we can directly observe children's real behavior and find the laws and characteristics of children's behavior, but it is difficult to control the interference of other factors, and there are subjective and objective problems.

2. Experimental method

By experimenting with children, manipulating independent variables and observing the changes of dependent variables, we can infer the law of children's psychological development. The advantage is that it can eliminate the interference of other factors and is very scientific. But it is difficult to operate in reality, and ethical factors need to be considered. At the same time, it may face interference from external factors.

3. Measurement method

By using various measuring tools to measure children, such as intelligence test and personality test, we can understand children's performance in some aspects, thus revealing the law of children's psychological development. The advantage is that children's performance in some aspects can be measured objectively, but the measurement results may be affected by many factors such as testers and test environment.

4. Interview method

Through communication with children, we can understand their inner thoughts and feelings, and thus infer their psychological development stage. The advantage is that you can directly understand your child's thoughts and feelings, but it may be biased because of the subjectivity of the interviewer and the interviewer.