psychology
7years
That would be after the six years you would need for your Ph.D.
You will have to take a course in aviation.
none
I'm not entirely sure, but to become a psychologist you'll definitely need to go to university for quite a few years.
Yes of course you need to take criminal justice
1 million years
8 years
Yes. You have to take math for the degree.
You would quite possibly need to take an art course and get your Associates in Arts degree in order to become a professional tattoo artist.
No, you do not need to take a defense driving course. It may help you become a better driver. Unless it is mandated to keep your license it is not mandatory.
At least a 4 year under-grad study at a university followed by 2 years post-grad study. The actual courses that you take with your post-grad studies will help alot, such as a child and family course.