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Research Methods Simplified

Comparative Method/Quasi-Experimental

Comparative Method/Quasi-Experimental

Comparative method or quasi-experimental---a method used to describe similarities and differences in variables in two or more groups in a natural setting, that is, it resembles an experiment as it uses manipulation but lacks random assignment of individual subjects. Instead it uses existing groups.  For examples see http://www.education.com/reference/article/quasiexperimental-research/#B