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Haertel, Edward H. – US Department of Education, 2004
Large-scale testing programs often require multiple forms to maintain test security over time or to enable the measurement of change without repeating the identical questions. The comparability of scores across forms is consequential: Students are admitted to colleges based on their test scores, and the meaning of a given scale score one year …
Descriptors: Measurement, Testing Programs, Equated Scores, Test Use