David Weschler

• Who was the first test designed and tested on?

  Adults

  Later developed one for adults and one for children
• What were the two tests developed?

  Weschler Adult Intelligence Scale

  Weschler Scale for children
• How are the test administered?

  One-to-one
• What did the tests include?

  6 verbal subscales

  5 performance subscales

  Items that range in difficulty
• All participants are tested with the same items