Professor Beckett Designed an IQ Test for Children

Professor Beckett designed an IQ test for children.To standardize this test,the professor must be careful to do which of the following?

A) give the test to a large group of people that represents the general population
B) give the same test to the same sample of people several times at three month intervals and compare the results
C) give the test to a large group of people that represents the kind of people for whom the test is designed
D) give the test to randomly selected different cultural groups to screen for cultural bias

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