This paper is a written summary, including a discussion of the article "Component Probability and Component Reinforcer Rate
as Biasers of Free - Operant Detection" by Michael Davison, Diane McCarthy, and Chris Jensen. The paper outlines the article, which is a series of
experiments relating to behavior analysis in general, specifically the matching law and signal detection theory. The paper presents and summarizes the series of experiments designed by McCarthy et al., including all observations, results, and conclusions.