How do I conduct a power analysis for my study?
To conduct a power analysis, you need to determine the effect size, sample size, significance level, and power level.
What is effect size and how do I calculate it?
Effect size is a measure of the strength of the relationship between two variables. You can calculate it using various formulas depending on your study design.
What significance level should I use?
A common significance level is 0.05, which means you accept a 5% chance of a Type I error. However, it can vary based on your field.
How do I determine the sample size needed?
You can use power analysis software or formulas that incorporate effect size, significance level, and desired power to calculate the sample size.
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