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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