The research object of educational psychology is how to learn, how to teach and the interactive relationship between learning and teaching. Specifically, educational psychology aims to understand students' learning psychology (the core of educational psychology) and create effective teaching situations according to the laws of learning psychology to promote students' learning.

Educational psychology is a social psychology that studies human learning, the effect of educational intervention, teaching psychology and school organization under the educational situation. The focus of educational psychology is to apply psychological theory or research results to education.

Educational psychology can be used to design courses, improve teaching methods, promote learning motivation and help students face various difficulties and challenges in their growth.

Method:

The commonly used research methods of educational psychology of primary school children are observation, experiment and investigation.

1. observation method is a method to obtain meaningful information by only recording natural events without controlling related variables under natural or real life conditions. The forms of observation include accidental observation of natural behavior and systematic on-site observation.

2. Experimental method is a method of purposefully controlling certain conditions or creating certain conditions to cause some psychological phenomenon to study. According to the different places and conditions, it can usually be divided into laboratory experiment method and natural experiment method.

3. Investigation is a method to understand the psychological activities of the respondents by collecting relevant information. Its main forms are: conversation, questionnaire and story.