Sample interview questions: How do you select appropriate research samples for your studies?
Sample answer:
Selecting Appropriate Research Samples for Education Studies
1. Define Research Objectives:
Identify the specific research questions or hypotheses to be addressed. The sample should represent the population or phenomenon of interest.
2. Determine Sampling Method:
Choose the method that best aligns with the research design and sample size requirements. Common methods include:
- Probability Sampling:
- Random sampling: Each member of the population has an equal chance of being selected.
- Stratified sampling: Population is divided into subgroups, and random samples are taken from each subgroup.
- Cluster sampling: Population is divided into clusters, and random samples of clusters are drawn.
- Non-Probability Sampling:
- Purposive sampling: Participants are chosen based on their characteristics or knowledge relevant to the research.
- Snowball sampling: Participants are identified through referrals from existing participants.
- Convenience sampling: Participants are chosen for convenience or accessibility.
3. Determine Sample Size:
Consider the power of the study, effect size, and desired precision. Utilize statistical formulas or software to calculate the minimum sample size required for meaningful results.
4. Access and Recruitment:
Identify the target population and develop strategies for accessing and recruiting participants. Methods may include:
- School rosters: For student samples.
- Professional organizations:… Read full answer
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