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Table 3 Item fit statistics for the GLLRM of the negatively worded items (“Perceived Stress”)

From: Measuring stress in Australia: validation of the perceived stress scale (PSS-14) in a national sample

Item Conditional Outfit Conditional Infit
Observed SE p-value Observed SE p-value
Item 1 1.021 0.029 0.482 1.024 0.028 0.386
Item 2 0.950 0.031 0.108 0.948 0.026 0.049
Item 3 0.993 0.027 0.783 0.991 0.025 0.726
Item 11 1.015 0.026 0.550 1.024 0.025 0.355
Item 14 0.991 0.024 0.702 0.994 0.024 0.806
  1. The Conditional Outfit and Conditional Infit statistics have expected values equal to one under the Rasch model