Does Time of Voting Affect Exit Poll Results?

This study analyzes time of voting effects on the results ofexit poll data collected in a Cleveland municipal tax referendum.The data reveal significant differences both in the times differentgroups vote and in the reported levels of support for the taxlevy by time of day. The temporal variation in the reportedlevels of support for the tax levy are then shown to be directlyrelated to the times when different support groups cast theirballots. Collectively, these findings suggest the need for day-longinterviewing in the design of exit polls.