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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: Arch Phys Med Rehabil. 2018 Jun 26;100(4 Suppl):S31–S42. doi: 10.1016/j.apmr.2018.05.026

Table 3.

Final Item Parameters

Domain Item
Bank
CFI
(criterion >95)
TLI
(criterion >.95)
CFA-based
RMSEA
(criterion < .15)
Alpha Reliability
(criterion > .80)
IRT-based
RMSEA
(criterion < .15)
Response
Pattern
Reliability
(criterion > .80)
Caregiver
Feelings of Loss-Self
30 items .96 .96 .10 .98 .09 .97
Caregiver
Feelings of Loss-Other
19 items .97 .97 .095 .96 .09 .96

Note. CFI = Comparative Fit Index, TLI = Tucker-Lewis Index, RMSEA: Root Mean Square Error of Approximation.