premise: How to determine if you have adult adhd<br>Be aware of being easily distracted. Difficulty concentrating, getting bored very quickly, and a short attention span are where the' attention deficit' part of the name adhd come from. You can determine if you have adult adhd if you notice how often you are distracted.
hypothesis: There are three characteristics of ADHD.
reason: The passage lists three of them, but says that is where the name comes from. There could be other characteristics as well, or not. There is no way to know exactly how many there are. 