The Use of Quasi-Experimental Design in Urban and Regional Policy Research and Political Economy
28 Pages Posted: 21 Feb 2016
Date Written: February 20, 2016
There are times when due to a lack of data or the impossibility of random assignment of cases, a researcher is limited in the use of the usual statistical and experimental methods to assess a particular intervention or “treatment” given to subjects or to a target group or region. An assessment technique often used is quasi-experimental design, whereby although random assignment does not occur, threats to validity are reduced by comparing cases which are as similar as possible. One group becomes a quasi-experimental group which has received some form of “treatment” whereas another is a comparison group which has not received the treatment. Such a research design is necessary when certain economic events occur or when economic development projects or new policies are undertaken in urban and regional economies, and there exist no two sub-regions which are exactly the same for the purposes of evaluating the effect of the events, projects or policies. Quasi-experimental design offers a solution for assessing the impacts of different urban and regional phenomena.
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