Professor Collins Designed an IQ Test

Multiple Choice

Professor Collins designed an IQ test. To validate this test, she should be careful to do which of the following?

A) Strive to make sure that the test measures what it is supposed to measure.
B) Give the test at least twice to the same group to ensure accuracy.
C) Select the people in the sample from the population of people for whom the test is designed.
D) Select only university professors to take the test so that they can critique the questions on the test.