interclass correlation coefficientˈintə:ˈklɑ:sˌkɔ:rəˈleɪʃənˌkəʊəˈfɪʃənt 基本例句 组内相关系数 The intraclass correlation coefficients in the different age groups were lower than those in the total group because of a lower between-subject variation.测得的组内相关系数在不同年龄组均低于总组，这是由于较小的研究对象间的差异所致。