It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
The research he's referring to, conducted by political scientist Larry Bartels (now at Vanderbilt University) and published in 1985, found that in close, ambiguous political contests, preferences and expectations are tightly related and mutually reinforcing. There's a "bandwagon effect" that sees voters, especially low-information voters, flock to the candidate most expected to win.