Abstract

Recent reports indicate that stimulus position affects appearance in some visual situations. The present investigation was designed to yield information on the size of such a space error in color matching, the precision of color matching as a function of positional relations of the test and matching fields, and matching time as a function of position. Differences caused by position were not obtained. This is a reassuring result, since it has usually been assumed that no space error exists when symmetrical foveal areas are used for color matching.

© 1957 Optical Society of America

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