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When every subject has equal, chance of being chosen for the study it is called :

  • A.Sampling
  • B.Randomization
  • C.Count
  • D.Selection

Answer: B

This is randomization.

When every member of the population has an equal chance of being chosen, selection is random, which is the basis of simple random sampling and of random assignment to groups in experiments. Randomization removes selection bias and allows the results to be generalised.

Sampling is the general process of selecting part of a population, whether randomly or not. Count and selection do not specify the equal chance that defines randomization.

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