ADD - Attention Deficit Disorder

Definition: ADD is a biologically based condition causing those inflicted with the disorder to have difficulty in one or more of the the following areas:

• sustaining attention
• making careless errors
• hyperactivity
• impulsivity
• inability to focus and remain on task
• inattentiveness
• difficulty with organization and completion of tasks
• loses or misplaces things
• easily distracted.

However, when making a diagnosis, practicioners will often look for at least 6 symptoms. Note, all children from time to time can suffer from the above symptoms, however, and ADD child suffers from these symptoms on a regular basis.
ADD Guidesite

Examples: Josh's attention span is so weak, I'm concerned he might have ADD. He doesn't seem able to stick to any task at hand.