The following video shows an exercise that you will participate in while you watch. 

Questions to answer after video activity
1) How well did you do with this activity? What differences were there between the way he had you do it the first time vs. the way you did it the second time?
2) How often do you try to do more than one thing at a time? What are 2 examples of things that you do simultaneously? How much do you think trying to do them at the same time affects your performance?
3) How did this activity affect your thoughts about multi-tasking? Do you think that you will try to make an effort to multitask less often? What is one thing that you would like to change and stop multitasking?