Matched subjects design is a research methodology that creates equivalent groups for a study where different participants in each group of study are being closely matched based on a particular dependent attribute before being exposed to different level of the independent variable.
Matched subject design helps eliminate skewness of the study which may be caused by a particular dependent variable. Matched subject design is not hundred percent perfect as there may still be some variations
Matched subjects design is a form of study that use different experimental groups or participants from various groups, however, these participants or subjects have been closely matched before they are assigned to different levels of independent variable.
This kind of study research is often used when researcher intends to compare different variables without using large groups or randomization.
It is easier to conduct, when participants are matched with single but relevant variable (often a variable that has effect on dependent vairable in a study) are rate r than multiple variables.
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