Introductory And Intermediate Growth Models - Mplus

Individual Development Over Timeyi = 1i = 2i = 3t = 1 t = 2 t = 3 t = 4ε 1ε 2ε 3ε 4y 2y 3y 4xη 0η 1y 1(1) y ti = η 0i + η 1i x t + ε ti(2a) η 0i = α 0 + γ 0 w i + ζ 0iw(2b) η 1i = α 1 + γ 1 w i + ζ 1i41Linear Growth ModelSpecifying Time Scores ForLinear Growth Models• Need two latent variables to describe a linear growthmodel: Intercept and slopeOutcome1 2 3 4Time• Equidistant time scores 0 1 2 3for slope: 0 .1 .2 .3or4221