Skip to main content

Table 4 Measurement invariance for the whole SMMS-R

From: Measurement invariance of the strength of motivation for medical school: a multi-group confirmatory factor analysis

Model

χ2

df

p

χ2(p)

CFI

CFI

TLI

SRMR

RMSEA

RMSEA 90% CI

Across gender groups

 Step 1: Configural invariance

441.58

170

0.0000

 

0.91

 

0.90

0.06

0.06

[0.05, 0.07]

 Step 2: Metric invariance

452.09

182

0.0000

−10.51 (0.0000)

0.91

0.00

0.90

0.06

0.06

[0.05, 0.06]

 Step 3: Scalar invariance

479.74

194

0.0000

−27.65 (0.0000)

0.90

0.01

0.90

0.06

0.06

[0.05, 0.06]

Across sample groups

 Step 1: Configural invariance

424.90

170

0.0000

 

0.92

 

0.90

0.06

0.06

[0.05, 0.06]

 Step 2: Metric invariance

443.56

182

0.0000

−19.65 (0.0000)

0.91

0.01

0.90

0.06

0.06

[0.05, 0.06]

 Step 3: Scalar invariance

455.69

194

0.0000

−12.13 (0.0000)

0.91

0.00

0.91

0.06

0.05

[0.05, 0.06]

  1. CFI comparative fit index; TLI Tucker-Lewis Index; CI confidence interval; SRMR standardized root-mean-square residual; RMSEA root-mean-square error of approximation