What is sample size in research?
An example of an AI chatbot conversation about determining sample size in research studies.
What is sample size in research?
Sample size refers to the number of participants included in a study. It's crucial for ensuring the results are statistically valid.
Why is sample size important?
A proper sample size helps to minimize errors, increases the reliability of results, and ensures that findings can be generalized to a larger population.
How do I determine the right sample size for my study?
To determine the right sample size, consider factors like the population size, the margin of error you can accept, and the confidence level you desire.
Are there any formulas to calculate sample size?
Yes, common formulas include the Cochran's formula and the sample size formula for proportions, which take into account the desired confidence level and margin of error.
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