Ms. Ferraro said she had done extensive polling before entering the Senate race in 1991 to see whether she could withstand such a barrage.

To determine the people's ability to bear price increases, the commission does extensive polling.

SeekingArrangement.com has carried out extensive polling of customers with sometimes fascinating results.

It does not require extensive polling to predict that when the Republican convention comes to New York, there will be a lot of protesters.

Mr. Stein has ordered extensive polling and anaylsis in recent months.

Under his guidance, a spokesman said, the project conducted voter registration drives in 200 cities and Indian reservations and conducted extensive polling.

Mr. Gingrich and his allies molded the contract after extensive Republican polling to test the public's attitudes.

Strategists in both parties said the results of extensive polling helped guide their political strategies.

He has focused his energies and his lobbying on a narrow agenda of innovative proposals with broad appeal, many of them supported by extensive polling.