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- Thu Apr 03, 2025 5:36 am
- Forum: Module development
- Topic: Incorrect effect-size value in paired t-test
- Replies: 8
- Views: 86941
Incorrect effect-size value in paired t-test
I have identified a potential error in the paired t-test; the effect size is calculated incorrectly. If you tick the effect-size box, you obtain a value that is too high because the standard deviation is not pooled as I have calculated it. To calculate a correct effect-size, you must use the esci mo...