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Table 5 Steps in showing partial scalar invariance

From: CORE-OM as a routine outcome measure for adolescents with emotional disorders: factor structure and psychometric properties

Step Largest modification index Chi-square (df) RMSEA
(90% CI)
CFI DIFFTEST
(Configural vs. partial scalar)
A Item 14a
Threshold 1
1713.8 (1149)*** 0.043 (0.039, 0,047) 0.970 ∆χ2(115) = 174.1***
B Item 29b
Loading
1702.2 (1145)*** 0.043 (0.038, 0,047) 0.970 ∆χ2(111) = 161.5***
C Item 4c
Threshold 3
1679.3 (1141)*** 0.042 (0.038, 0,046) 0.971 ∆χ2(107) = 140.7*
p = .016
D Item 31d
Loading
1665.9 (1137)*** 0.042 (0.037, 0,046) 0.972 ∆χ2(103) = 127.3,
p = .053 n.s.
E Item 19e Threshold 4 1662.0 (1133)*** 0.042 (0.038, 0,046) 0.972 ∆χ2(99) = 117.8,
p = .10 n.s.
  1. * p < .05, *** p < .0005. n.s. non-significant. a I have felt like crying; b I have been irritable when with other people; c I have felt O.K. about myself; d I have felt overwhelmed by my problems; e I have felt warmth and affection for someone