In terms of case assortment, Gary King, Robert Keohane, and Sidney Verba warn against "picking out around the dependent variable". They argue one example is that scientists can not make valid causal inferences about war outbreaks by only considering instances exactly where war did come about (the researcher must https://israelposrq.vblogetin.com/39200713/5-simple-statements-about-darden-case-solutions-explained