Gender

• Vote Certainty Among Bernie Sanders Supporters (September 2019)

  Respondents were asked, "How likely are you to change your mind before the primary election?" Gender is calculated according to the GENDER variable.

• Vote Certainty Among Beto O'Rourke Supporters (September 2019)

  Respondents were asked, "How likely are you to change your mind before the primary election?" Gender is calculated according to the GENDER variable.

• Second Choice Among Joe Biden Supporters (September 2019)

  Respondents were asked, "Of the remaining possible candidates, who would be your second choice, or have you not thought about it enough to have an opinion?" Gender is calculated according to the GENDER variable.

• Second Choice Among Elizabeth Warren Supporters (September 2019)

  Respondents were asked, "Of the remaining possible candidates, who would be your second choice, or have you not thought about it enough to have an opinion?" Gender is calculated according to the GENDER variable.

• Vote Certainty Among Joe Biden Supporters (September 2019)

  Respondents were asked, "How likely are you to change your mind before the primary election?" Gender is calculated according to the GENDER variable.

• Vote Certainty Among Bernie Sanders Supporters (September 2019)

  Respondents were asked, "How likely are you to change your mind before the primary election?" Gender is calculated according to the GENDER variable.

• Vote Certainty Among Beto O'Rourke Supporters (September 2019)

  Respondents were asked, "How likely are you to change your mind before the primary election?" Gender is calculated according to the GENDER variable.

• Democratic Presidential Primary Vote Choice (September 2019)

  Respondents were asked, "Which of the following candidates couldn’t you support in the 2020 presidential election against Donald Trump if they were to win the Democratic nomination for president?" Gender is calculated according to the GENDER variable.

• U.S. Senate Democratic Primary Name Recognition (September 2019)

  Respondents were asked, "Which of the following potential 2020 Democratic U.S. Senate primary candidates have you heard of?"

• Candidates Texas Democrats Would Not Support (September 2019)

  Respondents were asked, "Which of the following candidates couldn’t you support in the 2020 presidential election against Donald Trump if they were to win the Democratic nomination for president?"