Poll: Clinton has 9-point lead over Trump
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Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonIntel Dem decries White House 'gag order' after Bannon testimony 'Total free-for-all' as Bannon clashes with Intel members Mellman: On Political Authenticity (Part 2) MORE leads Republican nominee Donald TrumpDonald John TrumpDems flip Wisconsin state Senate seat Sessions: 'We should be like Canada' in how we take in immigrants GOP rep: 'Sheet metal and garbage' everywhere in Haiti MORE by 9 points, according to a NBC News/SurveyMonkey Weekly Election Tracking Poll released Tuesday.

Clinton is favored by 50 percent of respondents, and Trump is backed by 41 percent, which closely mirrors last week's result in the same survey.

In a four-way match-up including Libertarian Party nominee Gary JohnsonGary Earl JohnsonGary Johnson: Trump admin marijuana policy shift could cost him reelection When pro-Clinton trolls went after me during the election Gary Johnson: I don’t want to be president anymore ‘because of Trump’ MORE and the Green Party's Jill Stein, Clinton maintains a lead over Trump, 43 percent to 37 percent. In that match-up, Johnson has the support of 11 percent of voters, and Stein is backed by 4 percent.

Both major-party candidates are viewed unfavorably by a majority of voters, according to the poll.

Clinton is viewed negatively by 59 percent of voters and Trump by 64 percent.

When voters were asked to choose qualities that describe each candidate, including honesty, values and temperament, a majority of voters chose none of the above for each of the major party's nominees.

Still, 42 percent of voters said Clinton had the "personality and temperament to serve" as president. For Trump, only 17 percent said the same. 

Trump did slightly better than Clinton in the honesty category, with 16 percent saying the GOP nominee is honest and trustworthy and just 11 percent saying the same of Clinton.

The poll was conducted among 15,179 adults who say they are registered to vote from Aug. 8 to 14. The margin of error is 1.2 percentage points.

In the RealClearPolitics average of polls, Clinton has a 6.7-point lead over the GOP nominee, 47.7 to 41 percent.