Demographic information concerning the participants of the five normative studies in each language, including the number of raters, their gender, and mean age.

Demographic information concerning the participants of the five normative studies in each language, including the number of raters, their gender, and mean age.各语言项下五项常模研究（normative studies）参与者的人口统计学信息，涵盖评分者人数、性别及平均年龄。