Industrial use of the Ishihara Tests for Color Blindness

Abstract

Although the author does not advocate the use of psychologically naive persons as testers, he maintains that attention must be turned towards the revision of scoring keys, instructions, and terminology (of such tests as laymen can administer), if tests are to gain the greatest favor. As a step in this direction, revised instructions and scoring keys pertaining to the Seventh Complete Edition of the Ishihara Test for Color Blindness are presented. Through a few changes (omissions and renumbering) these instructions can be adapted to other editions of the test. (PsycInfo Database Record (c) 2025 APA, all rights reserved)