effect size

How to Interpret Effect Size?

Effect sizes can be interpreted using general guidelines, although the context of the specific study should always be considered:
1. Cohen's d:
- Small: 0.2
- Medium: 0.5
- Large: 0.8
2. Pearson's r:
- Small: 0.1
- Medium: 0.3
- Large: 0.5
3. Odds Ratio (OR) and Relative Risk (RR):
- An OR or RR of 1 indicates no difference between groups.
- Values above 1 indicate increased risk or odds.
- Values below 1 indicate decreased risk or odds.

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