This page demonstrates that knowing your audience and the environment within which you will speak involves thinking about a number of areas. To give an example of this I’ve create a set of surveys to help me get a better idea of you -my audience. The examples here are anonymous and also illustrative rather than exhaustive. Try them.
You can also use the comments at the bottom of the page to discuss this activity
Attitudinal/ psychological survey
Attitudes, Beliefs, Values, Needs