Quasi-experimental design, involving the use of matched control and project groups

The following text is drawn from the World Bank's website.

Quasi-experimental design, involving the use of matched control and project (beneficiary) groups

This method involves the use of a “non-equivalent” control group to match as closely as possible the characteristics of the project population – either through propensity score matching or using a multivariate regression approach. This method often involves the use of large scale sample surveys, and sophisticated statistical analysis; and


Source: The World Bank http://www.worldbank.org/ieg/ieg_tools.html