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. 2015 Sep 18;93(8):745–752. doi: 10.1111/aos.12839

Table 2.

Rasch analysis fit statistics of the two scales

Scale Items in scale (n) Misfitting items (n) Person separation index Person separation reliability Mean ± SE Person measure (logits) Mean ± SD Item measure (logits) Principal component analysis (Eigenvalues)
Visual functioning 10 0 2.45 0.86 1.95 ± 0.72 0.00 ± 0.11 1.7
Socio‐emotional 5 0 1.60 0.72 2.37 ± 1.34 0.00 ± 0.12 1.7