Attention Deficit Disorder

Attention deficit disorder (ADD) is a cluster of behaviors that cause a child to underachieve in an academic setting, and also to behave poorly in spite of good parenting and schooling and a strong intellect. It was first diagnosed in 1902 ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles