Topline Questionnaire

Survey questions

2016 VOTE QUESTIONS ASKED IN 2016 POST-ELECTION SURVEY

ASK ALL: VOTED Which of the following statements best describes you:

1 I did not vote in the 2016 presidential election 2 I planned to vote but wasn’t able to 3 I definitely voted in the 2016 presidential election

ASK IF VOTED (VOTED=3): VOTEGENPOST In the 2016 presidential election, who did you vote for… [RANDOMIZE OPTIONS 1 AND 2 FIRST FOLLOWED BY RANDOMIZED OPTIONS 3 AND 4, WITH OPTION 5 ALWAYS LAST]

1 Donald Trump, the Republican 2 Hillary Clinton, the Democrat 3 Gary Johnson, the Libertarian Party candidate 4 Jill Stein, the Green Party candidate 5 Voted for none/Other

ASK IF DID NOT VOTE (VOTED=1-2): RANDOMIZE ORDER OF RESPONSE OPTIONS 1 AND 2 VOTEGENPOSTNON If you had voted in the election this November, would you have voted for… [RANDOMIZE OPTIONS 1 AND 2 FIRST FOLLOWED BY RANDOMIZED OPTIONS 3 AND 4, WITH OPTIONS 5 AND 6 ALWAYS LAST]

1 Donald Trump, the Republican 2 Hillary Clinton, the Democrat 3 Gary Johnson, the Libertarian Party candidate 4 Jill Stein, the Green Party candidate 5 None/Other 6 Not sure

2016 VOTE QUESTIONS ASKED IN 2018 PANEL PROFILE SURVEY

ASK ALL: PVOTE16A In the 2016 presidential election between Donald Trump and Hillary Clinton, did things come up that kept you from voting, or did you happen to vote?

1 Voted 2 Did not vote (includes too young to vote)

1 PEW RESEARCH CENTER

ASK IF VOTED (PVOTE16A=1) PVOTE16B Did you vote for Trump, Clinton or someone else?

1 Trump 2 Clinton 3 Someone else

2018 VOTE QUESTIONS ASKED IN POST-ELECTION SURVEY

ASK U.S. CITIZENS (F_CITIZEN=1) VOTED_ATP Which of the following statements best describes you?

1 I did not vote in the 2018 congressional elections 2 I planned to vote but wasn’t able to 3 I definitely voted in the 2018 congressional elections

IF VOTED (VOTED_ATP=3) CONGPOST In the elections this November for the U.S. House of Representatives, did you vote for [Show in order of response: “the Republican Party’s candidate” OR “the Democratic Party’s candidate”] for Congress in your district? [RANDOMIZE ORDER OF RESPONSE OPTIONS 1 AND 2]

1 Republican Party’s candidate 2 Democratic Party’s candidate 3 Another party’s candidate [anchor]

IF DID NOT VOTE (VOTED=1 OR 2) POL5MOD If you had voted in the elections this November for the U.S. House of Representatives, would you have voted for [Show in same order as response: “the Republican Party’s candidate” OR “the Democratic Party’s candidate”] for Congress in your district? [RANDOMIZE ORDER OF RESPONSE OPTIONS 1 AND 2 TO MATCH ORDER IN STEM]

1 Republican Party’s candidate 2 Democratic Party’s candidate 3 Another party’s candidate [anchor] 4 Not sure [anchor]