I believe the answer is: Formal method of audience analysis,
Formal method of audience analysis would be done by analyzing the behaviour that being done by the audiences when the speaker give the speech. From the behaviour, we can collect data regarding the audiences' preference that would help us appeal to similar audiences in the future.
My kalayann fell
where my kalayaan
can u give me a kalayaan
dont throw a kalayaan
pass out kalayaan
Constant movement of soldiers