Question: Timing In August 2011, a Sodahead.com voluntary response poll asked site visitors, Obama is on Vacation Again: Does He Have the Worst Timing Ever? 56%

Timing In August 2011, a Sodahead.com voluntary response poll asked site visitors, “Obama is on Vacation Again: Does He Have the Worst Timing Ever?” 56% of the 629 votes were for “Yes.” During the week of the poll, a 5.8 earthquake struck near Washington, D.C., and Hurricane Irene made its way up the East Coast. What types of bias may be present in the results of the poll?

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