2.3. Read the definitions of different sampling techniques below and match the relevant sampling technique to each definition. Write only the technique next to the question number. E.g. 3.4.5. Simple random technique. 2.3.1. If this sampling method is adopted, every member of a population has an equal and independent chance of being selected for a study. 2.3.2. According to this sampling technique, a population is divided into groups, and entire groups are randomly selected for inclusion in the study. 2.3.3. A non-probability sampling technique whereby participants are selected based on their availability and accessibility to the researcher. 2.3.4. With this qualitative sampling technique, participants or data sources are selected progressively based on emerging concepts and theory during the research process. 2.3.5. According to this non-probability sampling technique, existing participants recruit or refer other potential participants for the study. 2.3.6. If this non-probability sampling technique is used, participants are intentionally selected for their specific characteristics or based on the researcher’s judgement of their relevance to the study. 2.3.7. This sampling technique stipulates that every nth member of a population is selected from a randomly chosen starting point. 2.3.8. A population is divided into subgroups (strata) with shared characteristics, and samples are randomly selected from each subgroup according to this sampling technique.

Question 1: 2.3.1. If this sampling method is adopted, every member of a population has an equal and independent chance of being selected for a study.

Simple Random Sampling

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Question 2: 2.3.2. According to this sampling technique, a population is divided into groups, and entire groups are randomly selected for inclusion in the study.

Cluster Sampling

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Question 3: 2.3.3. A non-probability sampling technique whereby participants are selected based on their availability and accessibility to the researcher.

Convenience Sampling

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Question 4: 2.3.4. With this qualitative sampling technique, participants or data sources are selected progressively based on emerging concepts and theory during the research process.

Theoretical Sampling

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Question 5: 2.3.5. According to this non-probability sampling technique, existing participants recruit or refer other potential participants for the study.

Snowball Sampling

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Question 6: 2.3.6. If this non-probability sampling technique is used, participants are intentionally selected for their specific characteristics or based on the researcher’s judgement of their relevance to the study.

Purposive Sampling

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Question 7: 2.3.7. This sampling technique stipulates that every nth member of a population is selected from a randomly chosen starting point.

Systematic Sampling

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Question 8: 2.3.8. A population is divided into subgroups (strata) with shared characteristics, and samples are randomly selected from each subgroup according to this sampling technique.

Stratified Sampling