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What is Cohen's d?

An example of an AI chatbot conversation about Cohen's d, a measure of effect size.

😀
You

Can you explain what Cohen's d is?

MagicBuddy
MagicBuddy

Cohen's d is a measure of effect size that indicates the standardized difference between two means.

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You

How is it calculated?

MagicBuddy
MagicBuddy

It's calculated by taking the difference between the two group means and dividing it by the pooled standard deviation.

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You

What does a Cohen's d value of 0.5 mean?

MagicBuddy
MagicBuddy

A Cohen's d of 0.5 suggests a medium effect size, indicating a moderate difference between the two groups.

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You

When should I use Cohen's d?

MagicBuddy
MagicBuddy

You should use Cohen's d when you want to quantify the effect size in studies comparing two groups.

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