Which one is called non probability sampling

General
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which one is called non probability sampling

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Which one is called non-probability sampling?

Answer:
Non-probability sampling is a sampling technique where the samples are gathered in a process that does not give all the individuals in the population equal chances of being selected. There are several types of non-probability sampling methods, including:

  1. Convenience Sampling: This method involves selecting individuals who are easiest to reach. The samples are not chosen randomly and may not represent the entire population accurately.

  2. Purposive Sampling: In this method, researchers handpick the sample based on their expertise to meet specific criteria.

  3. Quota Sampling: Quota sampling involves dividing the population into subgroups and then choosing the sample based on a specific proportion or quota.

  4. Snowball Sampling: This technique is often used in studies where potential participants are hard to identify. The researcher starts with one or a few subjects and then asks them to refer other participants.

  5. Judgmental Sampling: In judgmental sampling, the researcher uses their judgment and selects the sample based on what they believe is representative of the population.

These non-probability sampling methods are commonly used in research studies where it may be difficult or impractical to obtain a random sample.