Research synthesis of evaluation findings is a multistep process. An investigator identifies a research question, acquires the relevant literature, codes findings from that literature, and analyzes the coded data to estimate the average treatment effect and its distribution in a population of interest. The process of estimating the average…

In this paper, the author considers certain aspects of the problem of obtaining unbiased information about the merits of a program or product, whether for purposes of decision making or for accountability. The evaluation of personnel, as well as the evaluation of proposals and evaluations, generally involves a different set of problems than those…