Non-Probability Sampling is when the sample is chosen by the researcher from the target population rather than being randomly selected
Convenience Sampling is when the researcher recruits participants who are readily available and accessible to participate in the research study.
Quota Sampling involves selecting people from different subgroups from the target population
Purposive Sampling is when the researcher chooses their participants intentionally because they are considered as most suitable for the research study.
Snowball Sampling is when the researcher contacts few potential participants and asks them if they can refer more participants having similar characteristics as them.
Sample Size is the actual number of individuals who participated in the research study and contributed significant data.