Skip to main content


psychology research sources available at Duke Libraries

APA Instruments

When using a free instrument, get permission from the author for its use.

Occasionally, a Google search will turn up the full-text of a free instrument.  In many cases though, you need to use one of the following sources:

Psychological Tests for student use, a web page hosted by Ron Okada, Emeritus Professor of Psychology, Faculty of Health, York University, Toronto, Ontario, Canada, M3J 1P3. Questions about this web site should be sent to

Access the full text of the tests here:

Please read Okata's web page carefully regarding the use of the items listed below.

Commercial Tests

Commercial tests must purchased from the publisher.  In many cases, a Google search for the name of an instrument will result in a hit on the publisher's website.  Otherwise, here are sources of publisher information.

Subject Guide

Ciara Healy's picture
Ciara Healy
Perkins Library