Starting from the disciplinary nature of psychology, this chapter introduces some research methods in psychology, as well as the basic concepts and symbols of psychological statistics, laying the foundation for future learning.

1. Integrating statistical methods with psychological research contexts;
2. Emphasize concepts;
3. Step by step, understand one concept before moving to the next one;
4. Standardize your answers and solve them in the recommended format.

1. Experiment design
2. Population, sample and random sampling
3. Descriptive statistics and inferential statistics
4. Parameter, statistic and sampling error
5. Discrete and continuous variables
6. Level of measurement
7. Commonly used statistical symbols
8. Test