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Table 1 Fit Statistics CFA Models (N = 681)

From: Internal structure and reliability of the Attachment Insecurity Screening Inventory (AISI) for children age 6 to 12

  X 2 df p X2/df RMSEA (90%CI) TLI CFI SRMR (Within/Between)
Model 1a 792.060 167 < .001 .743 .074 (.069;.079) .864 .880 .076
Model 1b 133.776 51 < .001 .632 .049 (.039;.059) .957 .967 .039
Model 2a 209.336 102 < .001 .052 .039 (N/A) .936 .951 .056 / .084
Model 2b 165.701 97 < .001 .708 .032 (N/A) .957 .968 .055 / .074
Model 3 174.059 102 < .001 .706 .046 (.034;.057) .962 .971 .046
Model 4 181.464 111 < .001 .635 .043 (.031;.054) .966 .971 .049
Model 5a 213.692 120 < .001 .781 .048 (.037;.058) .958 .962 .051
Model 5b 184.181 115 < .001 .602 .042 (.030;.053) .968 .972 .049
Model 6a 239.002 132 < .001 .811 .049 (.039;.059) .957 .957 .055
Model 6b 198.931 126 < .001 .579 .041 (.030;.052) .969 .970 .054
  1. Note. Model 1a = the baseline model; Model 1b = model with problematic items removed; Model 2a = multilevel CFA; Model 2b = Model 2a when allowing within factor measurement error correlations of items with comparable item content; Model 3 = configural measurement invariance; Model 4 = metric measurement invariance; Model 5a = scalar measurement invariance; Model 6a = strict measurement invariance. Model 5b and 6b tested partial measurement invariance