If only a small number of test areas is to be used, a random sample will usually be risky, and the preferred approach is to select the areas judgmentally.

Question

Quizplus · Accepted Answer

If only a small number of test areas is to be used, a random sample may not be representative of the population and the differences observed in the sample may not be significant. Hence, a judgmental approach may be preferred to select areas that are more likely to be representative and informative.

If Only a Small Number of Test Areas Is to Be