Incluye referencias bibliográficas e índice.
Research design and the accumulation of knowledge. -- Big questions, little answers : how the questions you choose affect the answers you get. -- How the cases you choose affect the answers you get : selection bias and related issues. -- How the evidence you use affects the answers you get : rigorous use of the evidence contained in case studies. -- How the approach you choose affects the answers you get : the uses and limitations of rational choice comparative politics.