Cronbach’s alpha

Composite reliability (rho_a)

Composite reliability (rho_c)

Damping. 1

0.835

0.9

0.901

drivers. 1

0.902

0.917

0.924

level

0.902

0.902

0.939

Damping. 2

0.736

0.836

0.85

drivers. 2

0.924

0.944

0.94

level

0.902

0.901

0.939