How to become a better decision maker? What are some Buddhist practices which would make someone a better decision maker? Does Sila improve the right view thus enabling better decisions, thoughts?
All 3:


Sila
Samadhi
Panna


helps towards better decision making. 

Sila bring moral angle into decisions. Samadhi may help avoid spontaneous decisions as it is mastery over the mind. Panna helps to ensure decisions are not tainted by greed, hatred and delusion.

Right view is part of Panna not Sila.