Abstract
Detailed instructions for constructing an eye-color chart that represents a normal range of human eye colors are provided. The chart is composed of photographic color slides of human irises, magnified to 3.6 × life-aize. Iris images are sequenced according to their color and measured opacity. This enables researchers to reliably classify subjects’ Ms pigmentation according to both color and darkness. The eye color chart is easy to use and is highly reliable (between-observers measurements r ⩾ .94). The photographic arrangement is also useful for obtaining magnified photographs of irises for documentation and illustration purposes.
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Financial support for this research was provided by a University of Victoria fellowship to the first author. Copies of the slides are available from Lorne Rosenblood; the current price for duplication and mailing is $25.00.
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Gale, C., Rosenblood, L. & Ham, S. A method for constructing an objective eye color chart. Behavior Research Methods, Instruments, & Computers 16, 268–272 (1984). https://doi.org/10.3758/BF03202400
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DOI: https://doi.org/10.3758/BF03202400