Multitrait-multimethod analysis CDP approach ! ! Data from ! Byrne & Goffin (1993) Modeling MTMM data from additive and multiplicative ! covariance structures: An audit of construct validity. ! Multivariate Behavioral Research 28:67-96 ! Data Nobservations=158 Ninput=16 Ngroup=1 Cmatrix Full File=mtmm.cov Matrices Z Diag 16 16 Free M Stan 4 4 Free T Stan 4 4 Free E Diag 16 16 Free Covariance Z*(M@T + E.E)*Z / Start .3 all Start 1 E 1 1 to E 12 12 Start 5 E 13 13 to E 16 16 Option iterations=500 End