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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

ItemConditional OutfitConditional Infit
ObservedSEp-valueObservedSEp-value
Item 11.0210.0290.4821.0240.0280.386
Item 20.9500.0310.1080.9480.0260.049
Item 30.9930.0270.7830.9910.0250.726
Item 111.0150.0260.5501.0240.0250.355
Item 140.9910.0240.7020.9940.0240.806
  1. The Conditional Outfit and Conditional Infit statistics have expected values equal to one under the Rasch model