Measurement Theory in Action: Case Studies and Exercises comprises twenty modules, each corresponding to entire chapters in typical measurement theory texts. The modules begin with introductory concepts and a review of statistics; progress through conceptions of content, criterion-related, and construct validation, validity generalization and test-bias; and conclude with more advanced topics such as multiple regression and item response theory (IRT). Each module is composed of an overview, case studies, exercises, Internet references, and suggested further readings. An extensive glossary of key terms is also provided for quick reference. An Instructor's Resources CD containing exercises and assignments is also available.
One major purpose of testing is to assess individual differences. It is ironic, then, that a major criticism of testing is that it too often fails to consider issues of diversity. As used here, diversity issues refer to concerns that arise when testing specific populations categorized on the basis of ethnicity, gender, age, linguistic ability, or physical disability. Although test creators often attempt to use a diverse sample during test development, most tests are based on white middle-class individuals (Padilla, 2001). According to Fouad and Chan (1999),
The most widely used tests were conceived by White psychologists working within a White mainstream culture for the purpose of assessing psychological traits in men. Yet, tests that were initially developed for men are routinely given ...