How do I calculate effect size for my study?
An example of an AI chatbot conversation about calculating effect size in research studies.
How do I calculate effect size for my study?
To calculate effect size, you can use various measures like Cohen's d, Pearson's r, or odds ratios depending on your data.
What is Cohen's d and how do I compute it?
Cohen's d measures the difference between two means divided by the pooled standard deviation. You can compute it using the formula: (M1 - M2) / SDpooled.
Can you give me an example of how to calculate it?
Sure! If Group A has a mean of 50 and Group B has a mean of 40, with a pooled standard deviation of 10, Cohen's d would be (50 - 40) / 10 = 1.0.
What does a Cohen's d of 1.0 indicate?
A Cohen's d of 1.0 indicates a large effect size, meaning there is a significant difference between the two groups.
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