The Economist and YouGov released a poll they did from December 17 to 20, and some of the results are pretty embarrassing.
https://d25d2506sfb94s.cloudfront.net/cumulus_uploads/document/ljv2ohxmzj/econTabReport.pdfFor example (p. 53), 17% of Trump voters think the climate is not changing... despite
overwhelming scientific evidence in the opposite direction. (If there's any real debate in the scientific community over climate change, it's over whether or not we can still fix it before the planet becomes uninhabitable for us.)
Page 54: 31% of people polled--with 22% of Clinton voters and 31% of Trump voters--think that vaccines definitely or probably have been shown to cause autism.
Page 55: 25% of people polled think the US government definitely or probably helped plan the September 11, 2001 attacks.
Page 56: 53% (!) of people polled think that Saddam Hussein definitely or probably had WMDs that the US never found, including 33% of Clinton voters and 68% (!!) of Trump voters.
Page 57: 52% of people polled think the 2008 financial crash was definitely or probably orchestrated by Wall Street bankers.
Page 58: 36% of people polled think that President Obama was definitely or probably born in Kenya, including 52% (!!!) of Trump voters.
Page 59: 52% of people polled think it is definitely or probably true that Russia hacked the DNC's and Podesta's e-mails to help Trump win, including 87% of Clinton voters.
Page 60: 38% of people polled think that Pizzagate was definitely or probably true, including 46% (!!) of Trump voters.
Page 61: 46% of people polled think that millions of illegal votes were definitely or probably cast in the election, including 62% (!) of Trump voters.
Page 62: And if it looks like I'm ragging on Trump voters, well... 37% of people polled think it is definitely or probably true that Russia tampered with vote tallies to help elect Trump, including 50% (!!!) of Clinton voters.
Also, for some other stuff:
Page 90: 53% of respondents have a favourable opinion of President Obama. (5% expressed no opinion.)
Page 91: 45% of respondents have a favourable opinion of President-Elect Trump. (6% expressed no opinion.)
Page 92: 40% of respondents have a favourable opinion of Secretary Clinton. 65% expressed no opinion.)
Page 93: 48% of respondents have a favourable opinion of Vice President Biden. (18% expressed no opinion.)
Page 94: 39% of respondents have a favourable opinion of Vice President-Elect Pence. (24% expressed no opinion.)
Page 95: 32% of respondents have a favourable opinion of Speaker Ryan. (26% expressed no opinion.)
Page 96: 17% of respondents have a favourable opinion of Senator McConnell. (38% expressed no opinion.)
Page 97: 26% of respondents have a favourable opinion of Representative Pelosi. (28% expressed no opinion.)
Page 98: 22% of respondents have a favourable opinion of Senator Reid. (37% expressed no opinion.)
Page 99: 22% of respondents have a favourable opinion of Senator Schumer. (48% expressed no opinion.)
(They did not report questions about opinions of other figures, like Senator Sanders or Senator Warren; I do not know if they asked.)
Pages 100-101: 43% of respondents have a favourable opinion of the Democratic Party (12% expressed no opinion); 37% have a favourable opinion of the Republican Party (13% expressed no opinion).
Page 104: 48% of respondents strongly or somewhat approve of President Obama's handling of the presidency. (9% expressed no opinion.)
Page 108: 61% of respondents like President Obama, whether "a lot" or "somewhat." (11% expressed no opinion.)
Page 121: 45% of respondents like President-Elect Trump, whether "a lot" or "somewhat." (10% expressed no opinion.)
Page 125: Only 11% (!!) of respondents strongly or somewhat approve of the way Congress is handling its job. (15% expressed no opinion.)
Page 127: 36% of respondents have a favourable opinion of Congressional Democrats. (16% expressed no opinion.)
Page 128: 27% of respondents have a favourable opinion of Congressional Republicans. (16% expressed no opinion.)
Page 129: 30% of respondents somewhat or strongly approve of the way Speaker Ryan is handling his job. (31% expressed no opinion.)
Page 130: 21% of respondents somewhat or strongly approve of the way Senator McConnell is handling his job (as Senate Majority Leader). (38% expressed no opinion.)
Page 131: 25% of respondents somewhat or strongly approve of the way Senator Reid is handling his job (as Senate Minority Leader). (39% expressed no opinion.)
Page 132: 25% of respondents somewhat or strongly approve of the way Representative Pelosi is handling her job (as House Minority Leader). (34% expressed no opinion.)
Page 133: 44% of respondents think this Congress has accomplished less than Congress typically does at this point in its life. (27% expressed no opinion.)
Page 134: Of that 44%: 13% think Democrats are more to blame for this Congress accomplishing less than usual, 40% think Republicans are more to blame, and 43% blame both parties equally. (1% blame neither; 2% expressed no opinion.)
Page 143: 28% of respondents think the ACA should be expanded, 11% think it should be kept the same, and 41% think it should be repealed; 20% expressed no opinion. (Note: I do not know if the question asked about the "Affordable Care Act" or "Obamacare.")