control group (k蓹n鈥瞭r艒l 鈥瞘r眉p)
(statistics) A sample in which a factor whose effect is being estimated is absent or is held constant, in order to provide a comparison.
independent variable
Statistics. A manipulated variable in an experiment or study whose presence or degree determines the change in the dependent variable
dependent variable
Statistics. The observed variable in an experiment or study whose changes are determined by the presence or degree of one or more independent variables
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