The Roper Center is one of the world's largest archives of polling data, with records on more than 14,000 national and foreign surveys.

Under Dr. Ladd's leadership, the Roper Center, which was founded in 1946, started a series of publications, including Public Perspective and America at the Polls.

The data held by the Roper Center ranges from the 1930s, when survey research was in its infancy, to the present.

After leaving the OWI he founded the Roper Center for Public Opinion Research at the University of Connecticut in 1947.

When not assessing Connecticut's current mood, Mr. Ferree dons his other hat as an associate director of the Roper Center.

Everett Carll Ladd, director of the Roper Center for Public Opinion Research, was an early and persistent skeptic.

The Roper Center is an opinion research firm, also with a solid reputation.

A broadcast reporter called the Roper Center for Public Opinion Research in Storrs, the largest collection of national and international poll questions, to confirm a report.

"This is where the Roper Center takes its stand," Mr. Barry said.

Unlike the Institute for Social Inquiry, which conducts polls for Connecticut elections, the Roper Center does not generate any surveys.