A one way door decision is one with high-impact consequences. These decisions must be made with a high degree of certainty. Learn how to assess this decision making.
Make decisions faster by breaking them down into a 2 way door decision or one way door decision. Most decisions are 2 way doors which can be made fast.
Use this free Meyers Briggs test -- also known as the MBTI test. This can give you a better understanding of your personality type from the free MBTI test.