Detection Theory, Second Edition is an introduction to one of the most important tools for analysis of data where choices must be made and performance is not perfect. Originally developed for evaluation of electronic detection, detection theory was adopted by psychologists as a way to understand sensory decision making, then embraced by students of human memory. It has since been utilized in areas as diverse as animal behavior and X-ray diagnosis.
Follows the infuriating antididactic formula: Pose a question about how to measure something; state some equation without any context or support; talk about how to plug things into the equation; incidentally claim that it has some principled derivation or relevance to theory; never support the claim.