Difficulty sustaining focus – for example, the child may seem lost in thought or easily distracted from tasks.

Excessive movement or fidgeting – for example, the child may have difficulty sitting still or may constantly be in motion.

Difficulty managing emotions – for example, the child may have sudden outbursts or rapid mood swings with little provocation.

Behaviors that disturb the household routine – for example, the child may refuse to follow instructions or engage in frequent arguments.

Behaviors that interrupt classroom activities – for example, the child may talk out of turn or otherwise disrupt the teacher’s instruction.