The Fog Index
Posted on Saturday, March 30, 2013 at 12:46 PM
Assessing the readability of a Time.com excerpt.
This
month, we calculate the Fog Index of a March 20th Harvard Business
Review excerpt on the Time.com website ("Welcome
Edits on Your Writing"). Here's the sample text:
"A good
writer welcomes good edits. A bad writer resents them, seeing them only
as personal attacks. Share your material while it's still rough -- the
feedback will help you improve it much faster than if you were toiling
in isolation. Routinely ask your colleagues, including those you
supervise, to read your drafts and suggest changes. Have them mark up
the document and submit their revisions in writing, rather than in
person where you might react defensively. Always thank them for their
help. Encourage others on your team to seek out edits and offer them.
Having room to improve should be the norm, not a sign of weakness."
--Word
count: 107 words
--Average sentence length: 15 words (17, 23, 15, 21,
6, 12, 13)
--Words with 3+ syllables: 8 percent (9/107 words)
--Fog
Index: (15+8)*.4 = 9 (no rounding)
Once again, we have a sample
that falls well below the 12 mark. The writing is quite clear, and there
are few long words. Still, we can make small tweaks to make this passage
read more clearly. Here's our version:
"Good writers welcome good
edits. Bad writers resent them, seeing them only as personal attacks.
Share your writing while it's still rough -- the feedback will help you
improve it much faster than if you were working alone. Routinely ask
your colleagues, including those you manage, to read your drafts and
suggest changes. Have them mark up the document and submit those changes
in writing rather than in person, so that you don't react defensively.
Always thank them for their help. Encourage others on your team to seek
out edits, and offer them yourself. Having room to improve should be the
norm, not a sign of weakness."
--Word count: 106 words
--Average
sentence length: 15 words (15, 22, 15, 22, 6, 13, 13)
--Words with 3+
syllables: 5 percent (5/106 words)
--Fog Index: (15+5)*.4 = 8 (no
rounding)
Our edits didn't affect word count much, but they did
reduce the number of longer words. Thus, we were able to reduce the Fog
Index by one point.
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