Dr Johnson-Johnson Invented a New Measure of Intelligence Based on the Number

Multiple Choice

Dr. Johnson-Johnson invented a new measure of intelligence based on the number of telephones in a person's house. Joe has only one telephone, while Rick has sixteen telephones. Obviously, Rick is very smart. Joe and Rick were tested three times, and their scores were always the same. This test is

A) reliable and valid.
B) reliable but not valid.
C) valid but not reliable.
D) neither valid nor reliable.