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Definition

A sequential sample is a non-probability sample formed on the basis of a series of successive decisions. If the evidence is not conclusive after a small sample is taken, more observations are taken; if still inconclusive after these additional observations, still more observations are taken. At each stage, then, a decision is made as to whether more information should be collected or whether the evidence is sufficient to draw a conclusion.[1]

References

  1. ^ American Marketing Association. AMA Dictionary.

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