- The Winthrop Poll surveyed 956 residents in South Carolina by landline and cell phones between April 4-12. The poll has a margin of error of +/- 3.2% at the 95% confidence level.
- The Winthrop Poll questioned what type of candidate the likely GOP voter thought had the best chance of winning the general election and becoming president. Sixty percent said a moderate candidate had a better shot, but 36.8% thought a strong conservative candidate was a contender.
Winthrop University, "Winthrop Poll: Walker and Bush Early Leaders Among SC GOP Likely Voters" (2015). Winthrop News 2015. 81.