An Introduction to Evidence-Centered Design

This chapter provides a brief introduction to evidence-centered assessment design. Although assessment design is an important part of this book, we do not tackle it in a formal way until Part III. Part I builds up a class of mathematical models for scoring an assessment, and Part II discusses how the mathematical models can be refined with data. Although throughout the book there are references to cognitive processes that the probability distributions model, the full discussion of assessment design follows the discussion of the more mathematical issues.