What poles are frequently sponsored on Election Day by news organizations, who use them to help predict outcomes of presidential or other national races?

Exit polls.

Explanation:

Exit polls can be defined as those polls taken by the media from the small percentage of people who leave poll booths after voting. These polls are used to predict the voting results.

The pollsters such as media, newspaper conduct or sponsor these polls on the election day to predict the outcome of presidential or other national races as results of actual voting takes time.

The purpose of these polls is to determine why the voters voted for a so and so party which help further to forecast the result.

So, the correct answer is exit polls.

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