Selecting sample data
3 important questions on Selecting sample data
Explain the difference between the population vs sample
Select a few sampling units from the study population. Then collect information from those people to find answer to research question
Explain sampling in quantitative vs qualitative data
Quantitative data -> purpose is to draw inferences on the population thus inferential statistics.
Requirements:
Qualitative data -> purpose is to gain in-depth knowledge on the population
Requirements:
Requirements:
- unbiased, representative of population
- sample is predetermined and randomised
- Probability sampling is used as sampling strategy
Qualitative data -> purpose is to gain in-depth knowledge on the population
Requirements:
- Ease of access of cases, Relevant participants
- 100% similarity or 100% different from your case
- Sample size is not predetermined thus data saturation
- Sampling strategy used is non-probability sampling
Name + explain the steps in quantitative data sampling
- Research/study population
- Sampling frame: the group you have the ability to contact with your survey
- Sample size = representative
- Sampling strategy
- Check > sample ~ population
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