ABSTRACT

Qualitative researchers are not collecting data that will be analyzed using statistical methods, so the mathematical and probabilistic rules used to determine quantitative sample sizes and selection do not have the same relevance. The literature on qualitative research methods points out that few guidelines exist for determining sample sizes for nonprobabilistic samples. Most sources will say that sample sizes rely on the type of research, the topic, and the judgment of the researcher. The literature on sample size for qualitative research varies in recommendations for a minimum sample size, usually between 20 and 50 participants. The use of participants from diverse sources is a methodological strength of a qualitative study when the researcher has a broader interest than just a single source. Qualitative methods allow researchers to collect local knowledge and give voice to participants. However, it might also be valuable to seek participants from multiple campuses.