321TTTX221eTT222T221eT2T22T22T2T2012121121)(eeTR2X22X22X2X202221)(eeTR例：两组变量为例：两组变量为A组组：857 9 47B组：组：10 791169)(1)(1)(12222YnYXnXYXnXYrX2Y2XYX2Y2)(1)(1)(12222YnYXnXYXnXYrX2Y2XYX2Y2)(1)(1)(12222YnYXnXYXnXYr805.0)97811189)(8181837()9781(8199422间内间内间MSMSMSMSMSr121X22X23X2TX11.27183763636354NKXKX2T2T）（间SS11.351837636212663194)715742669(NKXX22T2）（总SS间内MSMSr1为裂半测量可靠性为全长测量可靠性式中rRrrR 12)(1)(1)(12222YnYXnXYXnXYr95.0)138418304)(131413314()138131(41457022rrR121.11.1)1(1rKrKrkk为原测量可靠性数为测量增加或减少的倍倍后的可靠性或减少为测量长度增加式中1.1 K )K(rrKKkkrkkr
