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Table 1 Goodness-of-fit indices for measurement models of the apprentice–trainer relationship and apprentice’s work group integration

From: Apprentice–trainer relationship and work group integration in the first months of an apprenticeship

Measurement models χ2 df Diff χ2 Diff df p TLI RMSEA SRMR
Apprentice–trainer relationship
 Configural invariance model 81.139 50   .966 .056 .043
 Weak factorial (metric) invariance 90.013 58 8.87 8 .353 .970 .053 .061
 Strong factorial (scalar) invariance 100.712 65 10.70 7 .152 .970 .053 .058
Apprentice’s work group integration
 Configural invariance model 107.079 50   .927 .076 .061
 Weak factorial (metric) invariance 115.201 58 8.12 8 .422 .937 .070 .084
 Strong factorial (scalar) invariance 120.924 65 5.72 7 .570 .945 .066 .088