Re: [NIFL-HEALTH:3221] SMOG

From: Karen Schriver (ks0e@andrew.cmu.edu)
Date: Tue Jul 31 2001 - 17:31:22 EDT


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Date: Tue, 31 Jul 2001 17:31:22 -0400
From: Karen Schriver <ks0e@andrew.cmu.edu>
To: nifl-health@nifl.gov, Multiple recipients of list <nifl-health@literacy.nifl.gov>
cc: Kathy Bose <kbose@cpha.ca>
Subject: Re: [NIFL-HEALTH:3221] SMOG
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Hi Kathy and others,

To answer your question about the FOG and SMOG formulas I 
checked an article written by Mr. Readability himself, the 
honorable George Klare. He wrote the 1963 book _The 
Measurement of Readability_.  He says that the Fog Index, 
alternately called FOG test, FOG formula, or Fog Count, was 
derived by the U.S. military in 1953. Here is its reference:

Air Force Manual. Guide for airforce writing (Air Force 
Manual 11-3). Maxwell, Ala: Air Univesity, Maxwell AFB, 
June 1953.

The SMOG index was developed by McLauglin in 1969. Here is 
its reference:

McLaughlin, G.H. SMOG grading?-a new readability formula. 
Journal of Reading, 1969, 9, 257-259.

If you are interested in Klare's article (it is an 
excellent overview of the theory and research that underlie 
the development of readability formulas). Here is the Klare 
article reference:

Klare, George R. (1984). Readability. In P. David Pearson, 
R. Barr, M. Kamil, and P. Mosenthal (eds.) Handbook of 
Reading Research (Chapter 22: pp. 681-744). NY: Longman.

You might find a published dialog about more current 
thinking about readability formulas to be useful. The idea 
behind this dialog was to have a panel discussion about the 
evolution of our thinking about readability formulas. As a 
catalyst for this dialog, the journal _ACM Journal of 
Computer Documentation_ republished Chapter 1 of Klare's 
famous 1963 _The Measurement of Readability_. The editors 
of the journal then invited four people to write 
commentaries about the text and to give their opinions 
about where we are now. I was one of the  commentators and 
wrote a short article called "Readability Formulas in the 
New Millennium: What's the Use?" After we wrote our 
commentaries, George Klare responded to our responses. It 
turned out kind of neat. The reference is:

ACM Journal of Computer Documentation. Volume 24 (Number 
3). August 2000. ISSN 1527-6805.

Hope this helps,

karen schriver
President, KSA Document Design and Research, Inc.



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