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Table 1 Parameter specification in the data generation of the scenarios with low separation between classes in the simulation study

From: Variance constraints strongly influenced model performance in growth mixture modeling: a simulation and empirical study

Scenario   Class 1   Class 2   Class 3  
   Mean Standard deviation Mean Standard deviation Mean Standard deviation
1 Intercept 3.00 0.3 4.00 0.60 5.00 0.90
  Slope 0.00 0.1 −0.30 0.20 0.30 0.30
  Residual variance T1, T2   0.25   0.50   0.75
  Residual variance T3   0.5   1.00   1.50
  Residual variance T4, T5   0.5   1.00   1.50
2 Intercept 3.00 0.3 4.00 0.60 5.00 0.90
  Slope 0.00 0.1 −0.30 0.20 0.30 0.30
  Residual variance T1, T2   0.1   0.20   0.30
  Residual variance T3   0.5   1.00   1.50
  Residual variance T4, T5   0.5   1.00   1.50
3 Intercept 3.00 0.12 4.00 0.60 5.00 1.20
  Slope 0.00 0.04 −0.30 0.20 0.30 0.40
Residual variance T1, T2   0.25   0.50   0.75
  Residual variance T3   0.5   1.00   1.50
  Residual variance T4, T5   0.5   1.00   1.50
4 Intercept 3.00 0.12 4.00 0.60 5.00 1.20
  Slope 0.00 0.04 −0.30 0.20 0.30 0.40
  Residual variance T1, T2   0.1   0.20   0.30
  Residual variance T3   0.5   1.00   1.50
  Residual variance T4, T5   0.5   1.00   1.50
5 Intercept 3.00 0.3 4.00 0.60 5.00 0.90
  Slope 0.00 0.1 −0.30 0.20 0.30 0.30
  Residual variance T1, T2   0.1   0.50   1.00
  Residual variance T3   0.2   1.00   2.00
  Residual variance T4, T5   0.2   1.00   2.00
6 Intercept 3.00 0.12 4.00 0.60 5.00 1.20
  Slope 0.00 0.04 −0.30 0.20 0.30 0.40
  Residual variance T1, T2   0.10   0.50   1.00
  Residual variance T3   0.20   1.00   2.00
  Residual variance T4, T5   0.20   1.00   2.00
7 Intercept 3.00 0.30 4 0.60 5.00 0.90
  Slope 0.00 010 −.3 0.20 0.30 0.30
  Residual variance T1, T2   0.04   0.20   0.40
  Residual variance T3   0.20   1.00   2.00
  Residual variance T4, T5   0.20   1.00   2.00
8 Intercept 3.00 0.12 4 0.60 5.00 1.20
  Slope 0.00 0.04 −.03 0.20 0.30 0.40
  Residual variance T1, T2   0.04   0.20   0.40
  Residual variance T3   0.20   1.00   2.00
  Residual variance T4, T5   0.20   1.00   2.00