"Psychometrics...is the methodology that deals with designs, administrations, and interpretations of measurement on individuals’ constructs such as abilities, attitudes, personality, knowledge..." Tests & measures are the instruments, surveys, questionnaires and more designed to assess these constructs.
Quote by Hua-Hua Chang in theInternational Encyclopedia of the Social Sciences. Ed. William A. Darity, Jr.. 2nd ed. Detroit: Macmillan Reference USA, 2008. p587-590.
There are ethical issues involved in administering and using tests and measures. For more information on ethical uses of tests, you may want to consult the APA's FAQ on Finding Information about Psychological Tests, especially the section labeled Additional Information on the Proper Use of Tests and also look at the following publication in the Library:
Tests are either commercial or unpublished.
See the American Psychological Association's (APA) FAQ on how to find published and unpublished psychological tests.