What is the importance of statistical power in research?
Statistical power is crucial because it determines the likelihood of detecting an effect if there is one. A higher power reduces the risk of Type II errors.
How can I increase the statistical power of my study?
You can increase statistical power by increasing your sample size, using a more sensitive measurement, or choosing a more appropriate statistical test.
What is a good statistical power value to aim for?
A common target for statistical power is 0.80, meaning there's an 80% chance of detecting an effect if it exists.
Can you explain Type I and Type II errors?
Sure! A Type I error occurs when you incorrectly reject a true null hypothesis, while a Type II error happens when you fail to reject a false null hypothesis.
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