Lewis Terman

• What did Terman find?

  Binet-Simon scale was not suitable for use among children in California
• How did Terman alter the Binet-Simon scale?

  Added 40 items

  Adapted some of the existing items to make them more appropriate to use with children age 4-14
• What were the indicators of intelligence?

  At 4 children should be able to identify which of the 2 lines are longer

  At 9 children should understand dates and days of the week
• How many children was this new scale tested on?

  1000 children instead of the 50 the Binet-Simon scale was tested on