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Table 2 Fit indices used for assessing factor invariance across sex and grade

From: Development of the Adolescent Preoccupation with Screens Scale

Model CFI ∆CFI (vs. preceding model) RMSEA (90% CI)
Sex Grade Sex Grade Sex Grade
Model 1 (Unconstrained) .927 .918 - - .045 (.042, .048) .039 (.037, .042)
Model 2 (Weak invariance) .927 .914 .000 −.004 .044 (.043, .047) .039 (.037, .041)
Model 3 (Strong invariance) .918 .900 −.009 −.014 .046 (.042, .048) .041 (.038, .043)
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