AP PSYCHOLOGY

Detailed explanation-1: -Convenience sampling is a non-probability sampling method where units are selected for inclusion in the sample because they are the easiest for the researcher to access. This can be due to geographical proximity, availability at a given time, or willingness to participate in the research.

Detailed explanation-2: -Purposeful Sampling: Also known as purposive and selective sampling, purposeful sampling is a sampling technique that qualitative researchers use to recruit participants who can provide in-depth and detailed information about the phenomenon under investigation.

Detailed explanation-3: -Stratified random sampling is a method of sampling that involves the division of a population into smaller subgroups known as strata. In stratified random sampling, or stratification, the strata are formed based on members’ shared attributes or characteristics, such as income or educational attainment.

Detailed explanation-4: -Uses people from target population available at the time and willing to take part. It is based on convenience. An opportunity sample is obtained by asking members of the population of interest if they would take part in your research.