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Table 4 Summary of testing measurement invariance between minoritized women and majoritized women

From: The power of interest: minoritized women’s interest in engineering fosters persistence beliefs beyond belongingness and engineering identity

Fit Index

Model

χ2SB (df)

CFI

RMSEA (90% CI)

Δ χ2SB (Δdf)

ΔP

ΔCFI

ΔRMSEA

Model 1: Configural invariance (factor structure)

155.84 (110)

.980

.055 (.031–.061)

Model 2: Metric Invariance (factor structure + loadings)

M2 vs. M1

163.46 (118)

.980

.045 (.030–.059)

8.19 (8)

.415

.000

.010

Model 3a: Scalar invariance (factor structure + loadings + intercepts)

M3a vs. M2

184.03 (126)

.975

.050 (.035–.063)

28.54 (8)

.000

.005

.005

Model 3b: Partial scalar invariance (factor structure + loadings + intercepts)

M3b vs. M2

174.82 (125)

.978

.046 (.031–.060)

12.36 (7)

.089

.003

.004

Model 4: Strict invariance (factor structure + loadings + intercepts + error variances)

M4 vs. M3b

180.56 (138)

0.981

.041 (.025–.054)

9.82 (13)

.709

.002

.006