ANALYSIS — Vice President Kamala Harris appeared to rattle former President Donald Trump during Tuesday’s presidential debate, with Trump signaling more stress than Harris during the more-than-90 minute event, according to a Roll Call Factba.se StressLens Analysis.
Trump’s voice stress rates spiked 14 times, a sign of discomfort, with four being strong spikes. Harris spiked five times, with three being strong strikes, according to the analysis. (These numbers only include the spikes once the debate officially started.)
The analysis captured the voice stress of each candidate during the debate compared to each of their average stress rates, which have been determined from more than 2,000 hours of audio and video of speeches and interviews from both candidates. (See more in the methodology note below.)