CINAHL: In limits, narrow your search to Questionnaire/Scale or Research Instrument. Use the Ctrl key to select both. Or use the Pull down menunext to a search box, and choose Instrumentation.
PsycINFO: offers a search option for searching Tests and Measures as a search filter. To the right of the search boxes, select “TM” from the Select a Field drop down menu box.
PubMed: MeSH terms such as health surveys, data collection, and questionnaires, and includes the option of searching by a specific test instrument.