An achievement test score can be viewed as a joint function of skill and will, of knowledge and motivation. However, when interpreting and using test scores, the "will" part is not always acknowledged and scores are mostly interpreted and used as pure measures of student knowledge. This paper argues that students' motivation to do their…

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…

Some standard-setting methods require judges to estimate the probability that an examinee who just meets an achievement standard will answer each of a set of items correctly. These probability estimates are then used to infer the values on some latent scale that, in theory, determines an examinee's responses. The paper focuses on the procedures…