The field defaults for keyword searching in PsycINFO cover the following indexes:
• TI Title
• Translated Title
• CC Classification Codes
• AB Abstract
• KW Keyword (descriptors)
• SU Subjects
• AR/AU Author
The most efficient search for retrieving instrument references in this database is the TM Tests & Measures field index search.
It will not garner as many returns as keyword or All Text searching. But because it searches the Test & Measures field index, every record retrieved will contain titled, published instruments (no red herrings or false leads).
Since keyword already covers so many of the text-rich fields of PsycINFO (including the abstract and subject heading fields) it effectively functions as the apex-level search strategy, resulting in the most returns for a nested "OR" search for instruments.