tl;dr People distrust anonymous phone callers.<p>A better study would involve saying you're from a real pollster, which of course would be unethical.<p>Or you could just compare polls to ballot counts[1] and look at the body of political science research in this area that shows that shy Trump voters are rare.<p>1. <a href="https://nymag.com/intelligencer/2020/07/theres-still-no-evidence-trump-voters-are-particularly-shy.html" rel="nofollow">https://nymag.com/intelligencer/2020/07/theres-still-no-evid...</a>