Acknowledgement
Evaluation Services of HRDC has traditionally used a quasi-experimental research design
(comparison group methodology) in estimating the impacts of an intervention. In order to ensure
the suitability of the comparison group approach in subsequent evaluations of programs and
services delivered under EI Part II, the attached study "Quasi-Experimental Evaluation" was
carried out.
We would like to thank Dr. Robert Power of Power Analysis Inc. of London, Ontario and Dr. W.
Craig Riddell, Department of Economics, University of British Columbia for researching and
analyzing the evidence for and against comparison group design and for the preparation of the
report on findings from a through review of the literature.
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