A sample of respondents who have an unknown chance of selection and are chosen because of factors such as convenience or judgement of the researcher is a probability sample.

Question

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A sample of respondents who have an unknown chance of selection and are chosen because of factors such as convenience or judgement of the researcher is a non-probability sample. Probability samples involve a known chance of selection and include methods such as simple random sampling, stratified sampling, and cluster sampling.

A Sample of Respondents Who Have an Unknown Chance of Selection