2.2 such as occupation. Therefore the researcher

2.2 Population/SampleA sample is a subset of a population from which data can potentially be collected (Parahoo,2006) of which there are two main types; Probability and Non Probability sampling. Probability sampling often known as random sampling is primarily used in quantitative research and refers to the fact that every element (member) of the population has an equal chance of being selected for a study (Burns and Grove, 2009).Within Non-Probability sampling there are three primary sampling methods employed in qualitative research which are, Purposive, Snowball, and Convenience sampling (Polit and Beck, 2008).

The goal of the sampling strategy in qualitative research is credibility where the researcher must utilise judgement in purposively selecting participants who can best inform the study (Houser, 2008). In addition (Holloway and Wheeler 2002) also identify homogenous sampling as selection of a particular group of people who share similar characteristics or circumstances such as occupation. Therefore the researcher proposes to use purposive sampling of a homogenous group which will allow the researcher to select

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