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Francis, a psychologist, has developed a new test to measure the verbal ability of third graders. to determine the range of scores (and what is a good and bad score), he gives the test to 10,000 third graders. in future, he will compare the performance of others to this reference group. this process of determining meaningful scores involves establishing

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This process in which the performance of one group will be compared to one reference group (in this case the scored of the test of 10,000 third graders). of determining meaningful scores involves establishing norms. Norms are standards for comparison used as a reference point.