You encourage others to put forward stimulating ideas by using those ideas. You build freedom for yourself when you put forward stimulating ideas. It's often easier to adapt someone else's idea than to generate a completely original one. The breadth of ideas will cover different personality types. You will encourage others to listen to your own ideas.
Every idea has equal worth as a stimulus.
You will know that you have created a healthy brainstorming environment if everyone feels confident to contribute. From the above principles you should be able to see that brainstorming rules and techniques are a helpful way of generating a lot of original ideas. This is done by creating an environment which encourages these ideas to be voiced and helps spark off new solutions. The next stages of this training course will tell you how to prepare and run a successful brainstorming session.