(2) objectivity. In the natural state, it does not interfere with the activities of the research object, ensuring objectivity and authenticity. ?
(3) directly. Observe what is happening.
(4) ? Have certain theoretical guidance?
(5) with the help of some tools.
Overview of the definition of education: survey of education is a method for researchers to make a purposeful and planned investigation and description of educational phenomena in a certain time and space through the senses or with the help of certain scientific instruments under relatively natural conditions.