5 Planing Questions

What do I need to do?
Research; personal opinion, other peoples opinion, more creditable sources, observations from other people, online questionnaire.
When do I need to do it?
I will need a laptop, people to ask, if possible access to people and books.
What do you want to do?
If I had time, I also want to read and see known records for how books change your emotional states.
How do you know its done?
For polls, or questionnaires, I think that, say a number like 15 sets of results would be enough to prove that my sets of results aren't biased, and that they are reliable and creditable.
How do you know its done successfully?
My idea of successful will be when, I actually think that I have found good information, with credible sources, or when i feel that I have satisfied my own curiosity, and that when I myself have a much deeper understanding.