Answer:formal audience analysis
Explanation:
When one is preparing to deliver a speech there are two things that can happen , the speech can be self centered : which means a person delivering a speech focuses on his personal ideas and pretences as he prepares and writes the speech or audience centered: which means it can capture the audience's attention by speaking directly to their preferences.
In order to be able to understand your audience prior to your speech delivery one need to do a formal audience analysis.
This is when you formally do a reaserch about your audience's preferences and everything you can find about your audience which may be important for your speech preparation .
After this you will be able to deliver a speech that is relevant to your audience and they will not lose interest as you deliver it or get bored .