Background information sources, also called reference works, which include encyclopedias and dictionaries, provide brief overviews of topics and are a good place to begin if you don't already know much about a topic.
Writers look to reference works for general information and factual evidence. Use the library's psychology-related reference works to acquire working knowlege of your topic.
Haven't decided on a research topic yet? Use these reference resources to scan the landscape of several topics or to gain a deeper understanding of a particular topic.