Lack of attention

 * difficulty paying attention to details and tendency to make careless mistakes in school or other activities; producing work that is often messy and careless
 * easily distracted by irrelevant stimuli and frequently interrupting ongoing tasks to attend to trivial noises or events that are usually ignored by others
 * inability to sustain attention on tasks or activities
 * difficulty finishing schoolwork or paperwork or performing tasks that require concentration
 * frequent shifts from one uncompleted activity to another
 * procrastination
 * disorganized work habits
 * forgetfulness in daily activities (for example, missing appointments, forgetting to bring lunch)
 * failure to complete tasks such as homework or chores
 * frequent shifts in conversation, not listening to others, not keeping one's mind on conversations, and not following details or rules of activities.