The poll was open February 9 - 11, 2016. Of the 4,078 scholars across the U.S. that TRIP contacted, 701 responded. The resulting response rate was approximately 17 percent, and the margin of error for the poll is +/-3.37 percent. TRIP Snap Poll VIII: 2016 Presidential Campaign, Zika, and Terrorism in the Middle East. Survey fielded on February 16th, 2016.