Table 9 Measurement invariance across groups: model fit indices.

From: Associations of task technology fit and perceived usefulness with responsible generative AI use among university students

Group

Step

χ²

df

CFI

TLI

RMSEA

SRMR

Gender

Configural

201.25

174

0.988

0.985

0.033

0.039

Gender

Metric

212.586

186

0.988

0.986

0.032

0.047

Gender

Scalar

216.958

198

0.991

0.991

0.026

0.048

Program

Configural

283.556

261

0.99

0.988

0.03

0.046

Program

Metric

298.295

285

0.994

0.993

0.022

0.054

Program

Scalar

322.951

309

0.994

0.994

0.022

0.056

Frequency

Configural

589.651

435

0.919

0.903

0.080

0.078

Frequency

Metric

623.895

483

0.927

0.920

0.072

0.086

Frequency

Scalar

682.854

531

0.921

0.922

0.071

0.091

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