Instructions for Judging the Size of Numbers

This is a study of the psychological size of numbers.

1. How big is the number 9?
very very small very very large

2. How large is the number 221?
very very small very very large

3. Are you Male or Female?
4. What is your age? years.
5. How many years of Education have you completed?
Put 12 for High School Diploma.
Put 16 for college diploma (bachelor's degree, B.A., B.S., etc.).
Put 20 for doctorate degree (Ph.D., M.D., etc).
6. Nationality (country of birth):

Please check your answers. When you are done, push the button below.

Thank You!