What are the Essentials of good Sampling?

In order to reach at right conclusions, a sample must possess the following essential characteristics.

1. Representative:

The sample should truly represent the characteristics of the verse. For this investigator should be free from bias and the method of collection should be appropriate.

2. Adequacy:

The size of the sample should be adequate i.e., neither too large nor small but commensurate with the size of the population.

3. Homogeneity:

There should be homogeneity in the nature of all the units selected for the sample. If the units of the sample are of heterogeneous character it will impossible to make a comparative study with them.

4. Independent ability:

The method of selection of the sample should be such that the items of the sample are selected in an independent manner. This means that lection of one item should not influence the selection of another item in any manner d that each item should be selected on the basis of its own merit.