538の分析
https://fivethirtyeight.com/features/trump-may-have-gotten-a-convention-bounce-but-its-very-slight-and-may-already-be-fading/
SEP. 2, 2020, AT 3:57 PM
Trump May Have Gotten A Convention Bounce. But It’s Very Slight And May Already Be Fading.
By Geoffrey Skelley　Filed under 2020 Election
トランプは共和党大会後のバウンスを得たけれど、それは僅少で、既に消えつつあるようだ

We’ve now seen an array of new national polls conducted in the aftermath of the
Republican National Convention, and collectively they show nothing major has
shifted in the race between President Trump and Joe Biden. Trump may have enjoyed a
very slight convention bounce, but one that represents only a small boost compared
to where the race stood before the party conventions ? and even that small bounce
is showing some signs of fading.
以下に詳しい解説（略）