Question: how to tell if your child has an attention problem?
Answer: Self-focused behavior. A common sign of ADHD is what looks like an inability to recognize other people's needs and desires. ... 
Interrupting. ... 
Trouble waiting their turn. ... 
Emotional turmoil. ... 
Fidgeting. ... 
Problems playing quietly. ... 
Unfinished tasks. ... 
Lack of focus.