Table 3 Standardized residual variance using Principal Component Analysis
Standardised residual variance (in Eigenvalue units) | Empirical (%) |
|---|---|
Total raw variance in observations | 100.0 |
Raw variance explained by measures | 44.6 |
Raw variance explained by persons | 9.6 |
Raw variance explained by items | 35.0 |
Raw unexplained variance (total) | 55.4 |
Unexplained variance in 1st contrast | 10.0 |