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Study #2128 401 Republican likely caucusgoers October 16-19, 2015 Margin of error: ± 4.9 percentage points for Republicans 2,771 contacts weighted by age, sex, and 402 Democratic likely caucusgoers congressional district to conform to active voters Margin of error ± 4.9 percentage points for Democrats in the Iowa voter registration list

Poll Questions P

ERCENTAGES MAY NOT ADD TO

100%

DUE TO ROUNDING

. Ask only of likely Democratic caucusgoers; Republican caucusgoers, skip to Republican candidate favorability.

Now, I’m goi ng to mention some promin ent Democrats, in cluding

[Before Aug-15: people talked about as possible]

candidates for the Democratic nomination for president.

For each, please tell me if your feelings are very favorable, mostly favorable, mostly unfavorable, or very unfavorable. If you don’t know enough about the person to answer, just say so.

(Record “don’t know” as “not sure.” Rotate list, but Obama always goes first.)

Among likely Democratic caucusgoers

Fav Unf Very Favorable Mostly Favorable Mostly Unfavorable Very Unfavorable Not Sure

Barack Obama,

president of the Uni ted States

Oct-15

90 7

*

51 39 4 4 2

Aug-15 88 9 43 45 5 4 2 Jun-15 91 7 44 47 5 2 2 May-15 89 9 49 40 6 3 2 Jan-15 86 13 49 37 5 8 1

Joe Biden

, vice president of the United States

Oct-15

85 10 36 49 7 3 5

Aug-15 79

*

14 29 51 8 6 7 May-15 76 20 22 54 14 6 4 Jan-15 78 20 25 53 14 6 2 Oct-14 60 34 15 45 19 15 6

Lincoln Chafee,

former governor of Rhode Island

Oct-15

14 30

*

2 12 20 11 56

Aug-15 9

11

2 7 6 6 80

Hillary Clinton

, former secretary of state

Oct-15

85 14 39 46 8 6 2

Aug-15 77 19 27 50 10 9 4 Jun-15 88 10 30 58 6 4 2 May-15 86

12

39 46 7 6 2 Jan-15 84 15 46 38 7 8 1 Oct-14 76 19 43 33 8 11 5

Larry Lessig,

a Harvard law professor

Oct-15

10 12 2 8 6 6 78

Martin O’Malley

, former governor of Maryland

Oct-15

43 17

*

8 35 14 4 39

Aug-15 33 7

8 25 5 3 60 May-15 20

*

8 4 17 5 3 72 Jan-15 13 9 2 11 6 3 78 Oct-14 13 9 2 11 7 2 78

Bernie Sanders

, U.S. senator from Vermont

Oct-15

82 10

*

42 40 6 3 8

Aug-15 73

8 39 34 4 4 19 Jun-15 57 4 27 30 3 1 39 May-15 47 12 23 24 8 4 41 Jan-15 37 12 17 20 8 4 51 Oct-14 29 13 10 19 8 5 58

Jim Webb

, former U.S. senator from Virginia

Oct-15

22 31 3 19 21 10 47

Aug-15 19

12 4 16 10 2 68 May-15 22 9