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.
Report Abuse. The average attention span of a person is 2-5 minutes times their age, so a 5-year-old would have an average attention span of 15-25 minutes.Elementary education often seeks to extend or develop attention span in children.eport Abuse. The average attention span of a person is 2-5 minutes times their age, so a 5-year-old would have an average attention span of 15-25 minutes.