Modern tests are often composed of a large number of testlets - smaller tests that focus on a narrow topic. Testlet response theory (TRT) is an appropriate scoring model for such tests. This book, written by TRT's inventors, is the first comprehensive description of this theory.
Escaping the clutches of truthiness begins with one simple question: 'what is the evidence?' Howard Wainer... Læs mere
An exploration of visual revelations, including how to display data badly, tabular presentation and... Læs mere
Tests are better than other metrics like high school GPA or letters of recommendation at predicting individual performance, but they can also exhibit racial, class,... Læs mere