Table 1.
Measure of years of education required to understand the text | Easiness to read | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
SMOG score (grade level) | Flesh-Kincaid score (grade level) | Fry score (grade level) | Coleman-Liau score (grade level) | Flesch reading ease score (0 very confusing; 100 very easy) | ||||||
Before | After | Before | After | Before | After | Before | After | Before | After | |
Overall | 3.8 | 3.8 | 5.1 | 5.1 | 5.8 | 5.8 | 6.7 | 6.8 | 80 | 78 |
Chapter 1 | 4.1 | 4.3 | 6.1 | 5.8 | 7.0 | 7.0 | 7.3 | 6.9 | 74 | 77 |
Chapter 2 | 4.2 | 3.8 | 6.1 | 6.0 | 7.0 | 7.0 | 7.1 | 7.5 | 75 | 62 |
Chapter 3 | 3.8 | 3.8 | 4.4 | 4.5 | 5.0 | 5.0 | 6.2 | 6.2 | 85 | 84 |
Chapter 4 | 3.8 | 3.8 | 4.3 | 4.6 | 5.0 | 5.0 | 5.8 | 6.3 | 86 | 83 |
Chapter 5 | 4.1 | 4.0 | 5.0 | 5.1 | 6.0 | 6.0 | 6.9 | 7.0 | 82 | 81 |
Chapter 6 | 3.0 | 3.0 | 4.4 | 4.3 | 5.0 | 5.0 | 6.9 | 6.9 | 80 | 81 |
Note: No significant differences between the first and second version of the materials were identified. SMOG = Simple Measure of Gobbledygook.