Readability scores median (IQR)* | Google (n = 50) | Bing (n = 50) | Yahoo (n = 50) | P† | |
---|---|---|---|---|---|
Flesch-Kincaid reading ease | 49 (41–56) | 48 (42–54) | 48 (42–54) | 0.787 | |
Flesch-Kincaid grade level | 10 (8–11) | 10 (9–11) | 10 (9–11) | 0.787 | |
Gunning-Fog score | 12 (11–13) | 12 (11–13) | 12 (10–13) | 0.787 | |
Coleman-Liau | 12 (11–13) | 12 (11–13) | 12 (11–13) | 0.571 | |
SMOG‡ | 12 (11–13) | 12 (11–13) | 12 (11–13) | 0.923 | |
Automated readability index | 9 (7–11) | 9 (12–13) | 9 (11–13) | 0.571 | |
Dale-Chall Readability | 7 (6–7) | 7 (7–7) | 7 (6–7) | 0.197 | |
Word count | 1132 (807–1922) | 923 (648–1444) | 891 (681–1518) | 0.353 | |
Syllables per word | 2 (2–2) | 2 (2–2) | 2 (2–2) | 0.580 | |
Words with more than four syllables | 15 (8–27) | 14 (10–23) | 14 (10–23) | 0.830 | |
Words per sentence | 13 (11–15) | 13 (11–15) | 13 (11–14) | 0.987 | |
Sentence count | 89 (65–147) | 76 (47–108) | 77 (51–113) | 0.383 |