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Download full textGodfrey, Kelly E. – College Board, 2016
By creating and analyzing matched samples, researchers can simplify their analyses to include fewer covariate variables, relying less on model assumptions, and thus generating results that may be easier to report and interpret. When two groups essentially "look" the same, it is easier to explore their differences and make comparisons…
Descriptors: Experimental Groups, Control Groups, Sampling, Research Methodology
