Table 3 Suitability indices of construct validity and external validity according to the cognitive status: a global approach
MS | SCZ | |||
|---|---|---|---|---|
Construct validity | LI 50 | HI 49 | LI 40 | HI 67 |
% of identified factors | 77.8 | 88.9 | 100 | 100 |
% of well-projected items | 87.1 | 93.6 | 88.9 | 88.9 |
% of dimensions with IIC non exceeded 0.2 from ref | 77.8 | 94.4 | 37.5 | 37.5 |
% of dimensions with IDV non exceeded 0.2 from ref | 55.6 | 61.1 | 37.5 | 100 |
% of dimensions with IDV < IIC | 66.7 | 77.8 | 62.5 | 62.5 |
% of dimensions with Cronbach’s alpha coefficients > =0.7 or > =ref | 66.7 | 100 | 87.5 | 75.0 |
% of dimensions with INFIT ranged [0.7-1.3] | 88.9 | 83.3 | 100 | 100 |
% of dimensions with MV < 10% from ref | 100 | 100 | 100 | 100 |
% of dimensions with Floor < 10% from ref | 88.9 | 44.4 | 75.0 | 75.0 |
% of dimensions with Ceiling < 10% from ref | 66.7 | 77.8 | 50.0 | 62.5 |
External validity | LI 50 | HI 49 | LI 40 | HI 67 |
Age: % of dimensions with correlation coefficient < 0.40 | 100 | 100 | 100 | 100 |
Disease severity: % of dimensions meeting conditions* | 100 | 88.9 | 75.0 | 100 |
Disease duration: % of dimensions with correlation coefficient < 0.40 | 100 | 100 | 100 | 100 |
Gender: % of dimensions with ES < 0.2 from ref | 55.6 | 88.9 | 75.0 | 62.5 |
Educational level: % of dimensions with ES < 0.2 from ref | 44.4 | 55.6 | 75.0 | 75.0 |