Explain the rationale for the sample size in qualitative research.
What will be an ideal response?
Ans: Answer would ideally include: Qualitative research by design focus on limited phenomena in great depth. Additionally, qualitative studies are not designed for generalization to other settings. Because of these things, it is appropriate to have very small sample sizes. However, some qualitative studies may have up to 40 participants, which may also be appropriate for certain topics or settings. Essentially, the nature of the phenomena plays the largest role in the sample size that best fits each study.
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Which of the following is another use
of correlation coefficients? a. testing mean differences b. testing causal relationships c. estimating reliability d. estimating power
Which one of the following is a management idea of Chris Argyris?
a) Workers must be willing to accept the absolute authority of supervisors if they want the company to make profits. b) Organizational goals will always, out of necessity, be more important than individual needs. c) Management improves the workplace when it serves the human needs of the individual as well as organizational needs. d) The power needs of employers and supervisors should receive greater priority than those of employees.
You lead a product-testing unit for a large pharmaceutical company. Your team has conducted forty trials of a new antibiotic but you are not sure if the results are conclusive enough to urge the company to start producing the new drug. A new data analyst has joined your team suggesting that meta-analysis might be a good idea, do you agree?
A. Yes, because the forty trials were identical and tested the same research question and therefore we can calculate an average significance for the new drug. B. No, because the forty trials were identical and tested the same research question we cannot calculate an average effect size for the new drug. C. Yes, because the forty trials were identical and tested the same research question and therefore we can calculate an average effect size for the new drug. D. No, because the forty trials were identical and tested the same research question we cannot calculate an average significance for the new drug.
A researcher asks a sample of people about their attitudes toward same-sex marriage and concludes people are either strongly in favor of it or strongly opposed, with relatively few people either unsure or indifferent. She reaches this conclusion because the shape of the distribution is ______.
a. normal b. peaked c. skewed d. bimodal