Commercial tests can be found in two main resources, databases and books. Listed here are recommended resources for finding commercial tests.
This database describes both commercial and non-commercial behavioral measurement tests and instruments. Limited to 10 simultaneous users.
Provides information on approximately 15,000 tests (including questionnaires, interview schedules, checklists, coding schemes, rating scales, and more). Full-text tests are not included but references primary sources, secondary sources, and reviews.
HaPI can be searched to
Search by the kind of instrument you need (e.g., test anxiety) and change the drop-down box next to the search box to ME Measure.
Results of a HaPI search are typically headed by the test name rather than by the name of the publication in which the test is described.