"latent measure" . . "latent" . . "latent psychological processes" . "hidden" . "inferred" . "latent variable" . . . "latent variables" . "unobservable dependent variables" . "unobservable independent variables" . . "latent constructs" . . "unobserved" . . . "latent dependent variable" . "unobserved components" . "Latent variable" . "hidden variables" . "unobserved regressor" . "latent factors" . "Latent variable" . . "cannot be measured directly" . "hidden variable" .