The quota sampling, judgment sampling and convenience sampling are classified as types of*

The quota sampling, judgment sampling and convenience sampling are classified as types of non-probability sampling.

1. Quota Sampling: In this type of sampling, the researcher selects a specific number of participants from each subgroup of the population based on their proportion in the total population. This method ensures that each subgroup is represented proportionally.

2. Judgment Sampling: Also known as purposive sampling, this method involves the researcher using their judgment to select participants that are most representative of the population they are studying. This method is often used when a limited number of people have expertise in the area being researched.

3. Convenience Sampling: This is the easiest method of sampling because participants are selected based on their availability and willingness to take part in the study. This method is often used in preliminary research efforts to get a gross estimate of the results, without incurring the cost or time required to select a random sample.