Exercise

# Understanding Cohen's d

Which of the following statements is **not** true?

Instructions

**50 XP**

##### Possible Answers

- Cohen's d is unbiased by sample size.
- Cohen's d measures significance based on a predetermined significance level.
- Cohen's d provides a standardized difference between two means.
- Cohen's d is calculated by subtracting one group mean from the other, then dividing by the pooled standard deviation.