If you would like to run your search again, using more specific fields such as Headline, Author or Publication Title, click on Edit Search . From there, you can tailor your search terms and date restrictions to provide a smaller set. This is a large collection of polls from many sources, compiled by the Roper Center for Public Opinion Research. In the Additional Terms box, enter opinion OR editorial OR op-ed, or any other headings under which you would expect to find opinion articles. Since news sources have varying names for editorials, this search method is not guaranteed to retrieve every opinion piece written about a subject.
Connectors establish relationships between words and concepts.
The most common connectors are listed below. OR Used to combine synonymous terms, alternative forms of expression, acronyms, etc. The letter n stands for a number from 1 to 255. Special Characters are used for word variations. It cannot be used as the first character of the word.