Quantitative Research Sampling Methods
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Questions and Answers

What is the 'gold standard' for sampling in quantitative research?

  • Probability Sampling (correct)
  • Non-probability Sampling
  • Stratified Sampling
  • Simple Random Sampling

    • In which sampling method are participants chosen without any prejudice or preconceived criterion?

  • Simple Random Sampling (correct)
  • Snowball Sampling
  • Systematic Sampling
  • Stratified Sampling

    • What is the purpose of using Stratified Sampling in research?

  • To divide the population into groups based on variables of interest (correct)
  • To exclude certain groups from the sample
  • To ensure every individual has an equal chance of being selected
  • To include participants who are easy to reach

    • Which sampling method involves selecting a proportionate number of participants from each group?

    <p>Stratified Sampling</p> Signup and view all the answers

    What is the main characteristic of Simple Random Sampling?

    <p>Every member of the population has an equal chance of being chosen</p> Signup and view all the answers

    Which sampling method is more likely to lead to bias in quantitative research?

    <p>Convenience Sampling</p> Signup and view all the answers

    What does the term 'sampling bias' refer to?

    <p>Selecting the sample in a way that does not reflect the population accurately</p> Signup and view all the answers

    Why is it important to minimize sampling bias in research studies?

    <p>To avoid misleading or inaccurate results</p> Signup and view all the answers

    What determines the minimum sample size needed for a research study?

    <p>The expected effect size, significance level, and data variability</p> Signup and view all the answers

    Why might a large sample size be beneficial for a research study?

    <p>It ensures precise and reliable estimates</p> Signup and view all the answers

    Which factor influences the choice of a sampling method for a research study?

    <p>The research question and available resources</p> Signup and view all the answers

    What can happen if a research study suffers from sampling bias?

    <p>The results may not accurately reflect the population</p> Signup and view all the answers

    What is a characteristic of non-probability sampling?

    <p>It lacks randomization and representativeness</p> Signup and view all the answers

    In which type of sampling are participants selected based on convenience or availability?

    <p>Convenience Sampling</p> Signup and view all the answers

    What is an example of purposive sampling?

    <p>Choosing participants based on specific relevant criteria</p> Signup and view all the answers

    Which type of sampling involves selecting experts in a particular field?

    <p>Purposive Sampling</p> Signup and view all the answers

    What is a limitation of non-probability sampling?

    <p>It lacks randomization and representativeness</p> Signup and view all the answers

    In non-probability sampling, what does the probability of selection typically lack?

    <p>Representativeness</p> Signup and view all the answers

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