Conjuctions or Boolean Operators help broaden or narrow your subject when searching.
Use double quotation marks to search for an exact phrase. Example: "acid rain".
Keyword searches will result in articles wherever that word appears whether in the title, abstract, or full text.
Subject searches will search only the subject field, which results in more specific articles. The subject search uses a controlled vocabulary, so a thesaurus may be helpful.
You can use a keyword search to begin your search. Then look at the article results for the subject terms used. You can select the subject terms to narrow your search.
Some possible keywords to use: Tests, Testing, Evaluation, Diagnosis, "Ability testing"
Some possible subject terms to use: Achievement tests, Criterion-referenced tests, Norm-referenced tests, Examinations, Educational tests and measurements, Educational evaluation.
Limiters allow you to narrow the resources you want to include in your search. Some examples of limiters are:
Type the subject words in the search boxes and use the drop down boxes to choose which fields and conjuctions for your search.
Wildcard and Truncation Symbols help you search for variations of words. Check with the help in the database to find the symbols you need.