A color aptitude test, 1940 experimental edition.

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Abstract
At the request of the Inter-Society Color Council, a color matching test was developed suitable for testing this ability among textile dyers and workers in other industries where color matching plays an important role. The final form of this edition of the test consists of 40 mounted chips on a neutral gray background and 40 unmounted chips. The color chips form a saturation series of finely graded steps. The best illumination for giving the test is a uniform spread of light in the neighborhood of 50 foot-candles intensity. The subject is given one unmounted chip at a time in a prescribed sequence, and he must match it with one of the unmounted chips. Thirty min. are allowed to give the test, so that speed is a factor which enters into the scoring. Only very superior subjects are able to complete the 40 matchings correctly within the time limit. As yet the ratings on the test are related only hypothetically to practical performance on the job, but there is agreement among those who have used the test that results are significant. In one trial testing, chemists and dye workers rated higher than laboratory technicians and office workers. A 1944 experimental edition is now available with a greater range of hues and higher saturation values than those covered in the 1940 edition. No data as to success of use of the new edition are as yet at hand.

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