The graphic displays the results of a study in which subjects were asked about their levels of exposure to television campaign news coverage at various times during the course of a political campaign, and whether they considered changing their votes at any time during the course of the campaign. Amount of exposure to campaign news coverage was measured on a four-point scale of 1 (low), 2 (low-moderate), 3 (moderate-high), and 4 (high). Decimal numbers on the vertical axis express percentages of respondents who considered changing their minds during the campaign.