experimental control and randomization

Experimental control refers to the intentional manipulation and regulation of all factors, except the one being studied, that could potentially influence the outcome of an experiment. This ensures that any observed effects can be attributed solely to the variable of interest. Randomization involves assigning participants or experimental units randomly to different groups or conditions in order to minimize bias and create equivalent groups. This process ensures that any differences observed between groups are likely due to the experimental manipulation rather than preexisting differences among participants.

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