Which of the Following Statements About the Eyberg Child Behavior

Which of the following statements about the Eyberg Child Behavior Inventory (ECBI) is not true?

A) There is no need to pay a psychologist to administer the test. Many parents can handle the sample task themselves.
B) The ECBI measures not only what kinds of undesirable child behaviors are occurring but how often.
C) The ECBI was specifically designed to assess the behavior of preschool age children, not older children.
D) The ECBI is potentially a good source of information not only about the child's inappropriate behavior, but also the parent's.