In other words, it compared poll results given when a respondent had to talk to a real person with responses given in Web-based surveys. As Franklin noted, IVR polls have the highest Trump approval, followed by Internet-based surveys and then, at the bottom, live-caller polls. Meaning that live-caller polls consistently give Trump lower approval ratings than online surveys. Or, put in English: Trump’s approval in live-caller polls is lower, it seems, because Democrats approve less of his job performance when talking to a live person than when answering the question online. It does mean, though, that the type of survey should help inform interpretation of poll results.

Source: Washington Post February 26, 2018 21:00 UTC