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. Author manuscript; available in PMC: 2021 May 18.
Published in final edited form as: Psychol Assess. 2020 Jun 15;32(9):872–882. doi: 10.1037/pas0000915

Table 2 -.

Growth Model Fit Statistics

Continuous Growth Piecewise Growth
Linear-Linear Growth Linear-Quadratic Growth
No Growth Linear Growth Quadratic Growth Knot T3 Knot T4 Knot T5 Knot T3 Knot T4 Knot T5
AIC 40416.71 39909.58 39790.36 39874.56 39853.69 39827.91 39730.70 39737.69 39735.37
BIC 40493.56 40000.00 39898.86 39983.06 39962.19 39936.41 39861.80 39868.79 39866.47
CFI 0.80 0.91 0.94 0.92 0.92 0.93 0.95 0.95 0.95
Chi-sq. 1000.33 487.20 359.98 444.18 423.30 397.53 290.32 297.31 294.98
df 87.00 84.00 80.00 80.00 80.00 80.00 75.00 75.00 75.00
RMSEA 0.12 0.08 0.07 0.08 0.08 0.08 0.07 0.07 0.07
SRMR 0.11 0.08 0.08 0.08 0.08 0.08 0.07 0.07 0.07