Increased use of randomized experiments to evaluate social programs throughout the world has been a major advance in evaluation research. This article focuses on determining which program evaluations are appropriate or feasible for randomized experiments. These threshold conditions include: (1)...

In assessing criminality, researchers have used counts of crimes, arrests, and so on, because interval measures were not available. Additionally, crime seriousness varies depending on demographic factors. This study examined the Crime and Violence Scale (CVS) regarding psychometric quality using...