Data Analysis: Most Presidential Candidates Speak at Grade 6-8 Level
A readability analysis of presidential candidate speeches by researchers in Carnegie Mellon University’s Language Technologies Institute (LTI) finds most candidates using words and grammar typical of students in grades 6-8, though Donald Trump tends to lag behind the others.
A historical review of their word and grammar use suggests all of the five candidates in the analysis — Republicans Trump, Ted Cruz and Marco Rubio (who has since suspended his campaign), and Democrats Hillary Clinton and Bernie Sanders — have been using simpler language as the campaigns have progressed. Again, Trump is an outlier, with his grammar use spiking in his Iowa Caucus concession speeches and his word and grammar use plummeting again during his Nevada Caucus victory speech.
An earlier analysis by the Boston Globe used the Flesch-Kincaid readability test, which is based on average sentence length and average number of syllables per word, and found Trump speaking at a 4th grade level, two grade levels below his peers. Eskenazi and Schumacher used a readability model called REAP, which looks at how often words and grammatical constructs are used at each grade level and thus corresponds better to analysis of spoken language.
Based on vocabulary, campaign trail speeches by past and present presidents — Lincoln, Reagan, Bill Clinton, George W. Bush and Barack Obama — were at least on the 8th grade level, while the current candidates ranged from Trump’s 7th grade level to Sanders’ 10th grade level. Trump and Hillary Clinton’s speeches showed the greatest variation, suggesting they may work harder than the others in tailoring speeches to particular audiences, Schumacher said.
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The article discussed above is based on research published in, “A Readability Analysis of Campaign Speeches from the 2016 US Presidential Campaign” (16 pages; PDF) by Elliot Schumacher and Maxine Eskenazi.
See Also: Speech Analysis Shows Donald Trump Speaks to voters at Fourth-Grade Level (via Boston Globe; October 21, 2015)
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