Selecting a random sample is the same as randomly assigning individuals to treatment and control groups.

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Selecting a random sample involves choosing individuals from a population in such a way that each individual has an equal chance of being chosen. Randomly assigning individuals to treatment and control groups, however, involves randomly allocating the selected individuals into different groups for the purpose of an experiment or study, ensuring each group is comparable.

Selecting a Random Sample Is the Same as Randomly Assigning