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Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Table 8 Testing measurement invariance between Switzerland and Germany for ICT Usage scales

From: ICT Engagement: a new construct and its assessment in PISA 2015

 

χ2a

df

CFI

ΔCFI

RMSEA

Δχ2b

Δdf

p

M2a Configural invariance (free loadings and thresholds)

10,063

516

0.942

–

0.058

–

–

–

M2b Scalar invariance (fixed loadings and thresholds)

10,850

608

0.938

0.004

0.055

1319

92

< .001

  1. aThe interpretation of χ2-values is not meaningful because the WLSMV estimator for categorical indicators was used. Therefore, the model-comparison test implemented in Mplus software (DIFFTEST) was used
  2. 2 These values refer to corrected χ2 values, provided in the output of the DIFFTEST implemented in Mplus
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