The accuracy and fairness of standardized testing is taken very seriously in the education world. These issues are a major focus of both the testing experts who develop standardized tests and the researchers who endeavor to ensure a test's fairness, reliability, validity, and accuracy. But many issues remain both controversial and complex. The…

The first edition of this book was written to give information about testing to people whose work gave them access to test results, but whose training included little or nothing about the use and interpretation of tests. Later editions have been intended for a broader audience as the need for understanding what test scores really mean has…