Project Management Thought

Hi guys

Which Project Management Thought is effective in construction environment (EPC contract, Construction Contract, etc.)

a.) Project Management Institute (PMI)
b.) Prince
c.) Six Sigma
d.) Spider
e.) Method 123
f.) Traditional
g.) Project Manger’s Instinct
i.) New discovery (your own approach)
h.) Others, please specify

Which one do you think and why?

Cheers,
Charlie