心理统计学 xīnlǐtǒngjìxué psychometrics Origin Definitions Defs Strokes Stroke Words Sentences Sents 心理 xīnlǐ noun psychology psychology; mentality; the internal mental activities of a person, including thoughts and feelings统计学 統計學 tǒngjìxué noun statistics the science of collecting, organizing, and analyzing numerical data to infer the characteristics of a population