Calculate the median of this set of numbers:

What has research revealed about the parents of autistic children?

a. They are cold and distant. b. They are physically abusive. c. They use child-rearing styles that are similar to those used by other parents. d. They are usually highly intelligent and of the upper class.

The collecting of relevant information in an effort to reach a conclusion is referred to as a(n) _____________.

a.) diagnosis b.) psychometric c.) demography d.) assessment