| # Specify latent true scores | |
| lx1 =~ 1 * x1 | |
| lx2 =~ 1 * x2 | |
| lx3 =~ 1 * x3 | |
| # Specify mean of latent true scores | |
| lx1 ~ gamma_lx1 * 1 | |
| lx2 ~ 0 * 1 | |
| lx3 ~ 0 * 1 | |
| # Specify variance of latent true scores | |
| lx1 ~~ sigma2_lx1 * lx1 | |
| lx2 ~~ 0 * lx2 | |
| lx3 ~~ 0 * lx3 | |
| # Specify intercept of obseved scores | |
| x1 ~ 0 * 1 | |
| x2 ~ 0 * 1 | |
| x3 ~ 0 * 1 | |
| # Specify variance of observed scores | |
| x1 ~~ sigma2_ux * x1 | |
| x2 ~~ sigma2_ux * x2 | |
| x3 ~~ sigma2_ux * x3 | |
| # Specify autoregressions of latent variables | |
| lx2 ~ 1 * lx1 | |
| lx3 ~ 1 * lx2 | |
| # Specify latent change scores | |
| dx2 =~ 1 * lx2 | |
| dx3 =~ 1 * lx3 | |
| # Specify latent change scores means | |
| dx2 ~ 0 * 1 | |
| dx3 ~ 0 * 1 | |
| # Specify latent change scores variances | |
| dx2 ~~ 0 * dx2 | |
| dx3 ~~ 0 * dx3 | |
| # Specify constant change factor | |
| g2 =~ 1 * dx2 + 1 * dx3 | |
| # Specify constant change factor mean | |
| g2 ~ alpha_g2 * 1 | |
| # Specify constant change factor variance | |
| g2 ~~ sigma2_g2 * g2 | |
| # Specify constant change factor covariance with the initial true score | |
| g2 ~~ sigma_g2lx1 * lx1 | |
| # Specify proportional change component | |
| dx2 ~ beta_x * lx1 | |
| dx3 ~ beta_x * lx2 | |
| # Specify autoregression of change score | |
| dx3 ~ phi_x * dx2 | |