After reading this article you will learn about the problem and mathematics of sample size. The Problem of Sample Size: We shall now consider one of the trickiest problems relating to sampling, viz., the problem of sample size. “What should be the adequate size of the sample in relation to the size of population?” “How […]
Sample Size: Problem and Mathematics | Sampling | Social Research
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3 Main Types of Non-Probability Sampling | Techniques | Social Research
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This article throws light upon the three main types of non-probability sampling used for conducting social research. The types are: 1. Accidental Samples 2. Quota Samples 3. Purposive or Judgement Samples. Non-Probability Sampling: Type # 1. Accidental Samples: In accidental sampling, the researcher simply reaches out and picks up the cases that fall to hand, […]
Optimum Sample: Definition and Factors | Sampling | Social Research
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After reading this article you will learn about the definition and factors influencing optimum sample for a study. Definition of an Optimum Sample: An optimum sample for a study may be defined as that sample which fulfills the requirements of efficiency, representativeness, reliability and flexibility. That is, the sample should be small enough to forestall […]