Name of category

Acronym

Explication

Cut-off for

Accepted fit

Reference

Absolute Fit measure

CMIN/Df

Chi-square divided by Degree of Freedom

≤3 = acceptable fit ≤5 = reasonable fit

[66] [67]

GFI

Goodness of

Fit Index

1 = perfect fit ≥0.95 = excellent fit ≥0.9 = acceptable fit

[60] [68]

RME

Root Mean Squared Residual

≤0.05 = acceptable fit ≤0.07 = acceptable fit

[69] [70]

RMSEA

Root Mean Square Error of Approximation

≤0.01 = Excellent fit ≤0.05 = acceptable fit

>0.05 and ≤0.08: mediocre fit

[71]

Incremental fit measure

NFI

Normed Fit Index

1 = perfect fit ≥0.90 = acceptable fit

[72]

CFI

Comparative Fit Index

1 = perfect fit ≥0.95 = excellent fit ≥0.90 = acceptable fit

[73] [74]

TLI

Tucker-Lewis index

≥0.90 = acceptable fit

[64]

IFI

Incremental Fit Index

≥0.90 = acceptable fit, but the index can exceed 1

[75]

Construct

Reliability

CR

Composite Reliability

CR ≥ 0.7

[76]

Construct

Validity

AVE

Average Variance Extracted

AVE > 0.5

[65]