Indeed, there is no better measure of personal taste than the food one eats. Literally and figuratively. What our presidents eat is a function family heritage, personal preference, physical condition and social obligation. In sum: a president's favorite meal is NOT always what's served in the White House.
The points apply equally to research talks, lectures, and non-technical presentations. 1  The average attention span of an adult is 20 minutes.  Implication: you should ensure that the first 20 minutes of your talk include any material that you want your audience to remember.
[â¦] The average attention span of an audience is 7 minutes. Thus, the audience â students and business people alike â will only pay attention to a topic for 7 minutes, after that a change should be made to maintain audience attention.f people have a short break, then they can start over with another 7- to 10-minute period, but 7 to 10 minutes is the longest block of time they will pay attention to any one presentation. WHY IGNITE! AND PECHA KUCHA ARE SO POPULAR.