Fig. 3
From: A critical review of scoring options for clinical measurement tools
Multiple indicators and multiple causes (MIMIC) models. η, represent the construct; yi, the observable reflective indicators; λ, the coefficients linking the construct η to the reflective indicators yi; ε, the error term for yi; xi, the observable formative indicators; ϒi, the coefficients indicating the contribution of xi to the construct η; ζ, the disturbance term; r, the correlations between xi