Eta Squared Calculator
Introduction & Importance
Eta squared (η²) is a measure of effect size in statistics, indicating the strength of the relationship between two variables. Calculating eta squared by hand is crucial for understanding and interpreting statistical results…
How to Use This Calculator
- Enter the Sum of Squares (SS) and Degrees of Freedom (df) values.
- Click ‘Calculate’.
- View the result and chart below.
Formula & Methodology
Eta squared is calculated using the formula: η² = SS / (SS + df). Here’s a step-by-step breakdown…
Real-World Examples
Example 1
SS = 120, df = 9. η² = 120 / (120 + 9) = 0.9333…
Data & Statistics
| SS | df | η² |
|---|---|---|
| 120 | 9 | 0.9333 |
| 80 | 12 | 0.6154 |
Expert Tips
- Eta squared values range from 0 to 1.
- Values close to 1 indicate a strong relationship.
Interactive FAQ
What does eta squared measure?
Eta squared measures the strength of the relationship between two variables.