Sampling where the interviewer talks to the most accessible section of the population, ie, shoppers willing to stop and be interviewed. This is not random sampling. This is also known as Accidental ...

Discover how simple random sampling ensures accurate and unbiased population research, offering efficiency and fairness over ...

The random sample survey is a commonly used method in market research and such surveys generally are considered to provide more robust results than purposive or convenience (such as quota) samples.

Students learn about sampling by tracing improvements in sampling procedures over the twentieth century. Scientific inquiries involving flawed sampling are illustrated and discussed using the Literary ...