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.
Quick Answer. According to Kids Growth, the attention span of a child or teen who is actively trying to pay attention is 3 to 5 minutes for every year of the child's age. As a result, a 13-year-old has an attention span between 39 and 65 minutes, while a 16-year-old is capable of paying attention for 48 to 80 minutes. Keep Learning.