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Table 4 Goodness-of-fit indices for testing measurement invariance across samples

From: Psychometric properties of the Shirom-Melamed Burnout Measure (SMBM) among adolescents: results from three cross-sectional studies

  First-order model Second-order model
CFI TLI NFI RMSEA Δχ2 CFI TLI NFI RMSEA Δχ2
Default model .97 .96 .93 .04 (.03, .04)   .97 .96 .93 .04 (.03, .04)  
  + Factor loadings set equally across samples .96 .96 .93 .04 (.03, .04) p = .212 .96 .96 .93 .04 (.03, .04) p = .212
  + Factor loadings and inter-factor correlations (first-order model) or regression weights (second-order model) set equally across samples .96 .96 .93 .04 (.03, .04) p = .363 .96 .96 .93 .04 (.03, .04) p = .170
  1. CFI Comparative fit index, TLI Tucker Lewis index, NFI Normed fit index, RMSEA Root mean square error of approximation