A

(genetic)

C

(shared environment)

E

(nonshared environment)

Finger dexterity

0.02

0.76

0.22

Hand-eye coordination

0.26

0.62

0.12

Manual force control

0.20

0.39

0.41

Rate control

0.49

0.00

0.51

Simple reaction time

0.20

0.09

0.71