What you need is a degree or Ph.D, preferably.
It does not matter what discipline it is.
Select some people, ask them the questions you want in such a way that the people answers you suitably.
Even this does not matter.
Compile Statistics.
Interpret it to suit you and Call it a Study.
People will grab it.
You become a celebrity.
May be you can win a Nobel as well.
Now Happiness is about to be classified as a Psychiatric disorder!
One of the reasons cited is Statistically Happiness is rare!
