What is the importance of power analysis in research?
Power analysis helps researchers determine the sample size needed to detect an effect, ensuring valid results.
How does it affect the validity of a study?
Without proper power analysis, a study may lack the ability to detect true effects, leading to Type II errors.
Can you give an example of how to conduct a power analysis?
Sure! You typically need to know the expected effect size, significance level, and desired power to calculate the sample size.
What tools can I use for power analysis?
Common tools include G*Power, R, and Python libraries like statsmodels for conducting power analysis.
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