Analysis:

Pre-school survey of educational research: it is a scientific research method to observe objective objects purposefully and systematically and collect and analyze perceptual data of things under natural conditions.

The role of preschool education investigation in educational research;

(1) Observation is the prerequisite for finding and asking questions.

② Observation is the means to generate theoretical hypotheses and verify theories.

③ Observation is a means to provide the real process of preschool education.

④ Observation is a means to help researchers understand individual differences.

⑤ Observation is a means to answer all kinds of special questions.

⑥ Observation is a means of educational evaluation.