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.
Among all life lessons teachers have the responsibility to instill, self-control and commitment are the most important ones. According to a common belief, the average attention span of a typical university student is between 10 and 15 minutes. This period is even shorter with younger students, so their teachers have to rely on different âtricksâ that will bring the pupils back to reality.