通过两轮德尔菲法专家评分并修订，保证本研究量表具有实用性和有效性，确定

Through two rounds of Delphi expert scoring and revision to ensure the practicality and validity of this research scale, the initial version of the scale was determined. Using the convenience sampling method, 3-4 years old children with speech or developmental abnormalities who were admitted to Zhuhai Maternity and Child Health Hospital of Guangdong Province from 2020.9 to 2020.11 were scored using the initial version of this research scale, and the mean (X) and Standard deviation (SD) establishes the initial norm standard.

Through two rounds of Delphi expert scoring and revision, to ensure the usefulness and effectiveness of this study scale, determine the initial version of the scale. Using the convenient sampling method, children aged 3-4 years with language or developmental abnormalities who were admitted to The Women's and Children's Health Hospital in Zhuhai City, Guangdong Province in 2020.9-2020.11 were graded with the initial version of this study scale, and the initial normal model criteria were established by calculating mean (X) and standard deviation (SD).

Through two rounds of Delphi expert scoring and revision, to ensure the practicability and effectiveness of the scale, and determine the initial version of the scale. Using convenience sampling method, 3-4-year-old children with language or developmental abnormalities were included in Zhuhai maternal and Child Health Hospital of Guangdong Province from September 2020 to November 2020. The children were scored with the initial version of this research scale, and the initial norm was established by calculating the mean (x) and standard deviation (SD).<br>