The PsycINFO Thesaurus, or the Thesaurus of Psychological Index Terms, is a list of controlled vocabulary terms. These terms function as authoritative subject classifications for psychological concepts.
The object is to simplify access – all related entries in the database can be located by using the right standardized term. Identifying the right subject terms used in the database can help to focus a search to find the articles that are the best fit for your research.
1. Open the PsycINFO database in a new window:
2. Click on the "Thesaurus" link in the blue banner at the top of the PsycINFO search screen.
3. In the Browse box, type in a search term.
4. Click on the Browse button and select from the results list.
Information from the APA Search Help and Training Center page on the Thesaurus of Psychological Index Terms®:
Index terms are controlled vocabulary terms used in database records to make searching easier and more successful. By standardizing the words or phrases used to represent concepts, you don't need to try and figure out all the ways different authors could refer to the same concept. Each record in APA's databases contains controlled vocabulary terms from the Thesaurus of Psychological Index Terms.
APA staff index records according to the source document's level of specificity. For example, an experimental population labeled "high school students" will be indexed with the term "High School Students", not the broader and less specific term "Students". Therefore, any relevant narrower terms should be included in the list of index terms in your search. Related terms may also closely match a search topic, and should be considered as well.
With the wide variety of concepts and vocabulary used in the psychological literature, search and retrieval of records about specific concepts is virtually impossible without the controlled vocabulary of a thesaurus. This controlled vocabulary provides a way of structuring the subject matter in a way that is consistent among users (e.g., searching for Dysphoria, Melancholia, and Depression can all be achieved by searching the term "Major Depression").
