Opinions of Obama and McCain Among all Polled (IMAGE)

University of Utah

Opinions of Obama and McCain Among all Polled

Caption

Polling data in this illustration and the two that follow are based on a February 2008 Pew Research Center survey. These three illustrations demonstrate software developed at the University of Utah to interactively analyze polling or election data using an animated, doughnut-shaped visualization. Two survey questions are shown in the outer ring of the doughnut: "Opinion of Barack Obama" and "Opinion of John McCain." Underneath each question is a curved bar chart showing percentages of respondents with various opinions of each candidate. (Smallest bars lack labels due to size, but placing a cursor over them reveals their contents in the actual software.) Because the doughnut's central hole is empty, the survey results reflect answers from the entire population of those polled.

Credit

Geoff Draper, University of Utah

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