Empirical norms are a traditional and accepted tool for reporting performance. Other methods (e.g., statistical regression) are used more often in a research context to make conditional statements about performance given a certain demographic context. This paper illustrates a method for the construction of differentiated school norms and the…

During the 1974-75 school year, all second and third grade pupils in California were tested in reading achievement, and all pupils in grades 6 and 12 were tested in the basic skills of reading, written expression, and mathematics. The Reading Test: Second and Third Grades was the instrument used to assess reading achievement; it was developed…