Respondents were asked, "Please tell us whether you have a very favorable, somewhat favorable, neither favorable no unfavorable, somewhat unfavorable, or very unfavorable opinion of the Affordable Care Act ("Obamacare"). "
Measurement of partisan identification for this figure is based on two questions. First, respondents were asked whether they consider themselves to be a Democrats, Republicans, independents, other, or not sure. Those who responded that they are independents or "other" were then asked if they lean toward either the Democrats or Republicans. If they indicated that they lean toward one party or the other, they are considered Democrats or Republicans for the purposes of this figure. Only "pure" independents or members of a third party who indicate that they have no preference for Democrats vis-a-vis Republicans are considered independents . Respondents who answered that they are "not sure" for either of the two aforementioned questions are not incorporated into this figure.