The articles were not prescreened for a particular domain,
but categorized for subanalysis after the random
selection.
We then assessed the articles’ reading levels with the
SMOG, Flesch-Kincaid Grade Level, and Gunning FOG
formulas. We printed the articles to facilitate the SMOG
and Gunning FOG assessment. The SMOG method requires
selecting 10 consecutive sentences near the beginning,
middle, and end of each article. If the article contained
less than 30 sentences, then the entire article was