Test indicators

Chi.sq statistic

Chi.sq df

Prob.

Selected model

FD1

30.719882

5.8

0.001

Fixed effect model

FD2

31.706525

5.5

0.020

Fixed effect model

FD3

30.064112

6.0

0.001

Fixed effect model

FD4

33.199601

5.8

0.000

Fixed effect model