Answer: exam points the knowledge point of this question is "the significance of primary education research for promoting the professional growth of primary school teachers".

The reference answer (1) is helpful to help primary school teachers establish a correct educational concept; (2) It is helpful to improve the awareness of education and scientific research of primary school teachers; (3) It is helpful to improve the quality of primary school teachers' educational theory; (4) It is helpful to improve the teaching ability of primary school teachers.