Such is the conclusion of political scientist Charles Taber of Stony Brook University and his colleagues, who have examined during the past 10 years how people decide whom they vote for.

• 美国纽约石溪大学的政治科学家泰伯（CharlesTaber）与同事也持相同论点。他们在过去10年里检视了人们是如何来决定要把票投给谁。