Letter Similarity Data Set Archive


Gupta, Geyer, & Maalouf, 1983

Gupta, S. M., Geyer, L. H., & Maalouf, J. A. (1983). Effect of font and medium on recognition/confusion. Proceedings of the SIGCHI conference on Human Factors in Computing Systems, 144-149.

Summary:

Procedure:

Experimenters examined errors and confusion matrices from different fonts. Stimuli were displayed at a vertical visual angle of 1 degree at 8 feet. Duration and luminosity were adjusted for each individual to achieve approximately 50% correct identification for each font.

Stimuli

The 26 uppercase letters, either in a dot-matrix font, or the stroked "Keepsake" font. Figure 1 from the article, reproduced below, shows the letters and font used.

This fontfile also available here seems to be similar to the stimuli used by Gupta et al.. (Thanks Aurelie Calabrese!)

Keepsake Font

Dots Font

Results

Confusion matrices for dot font and stroked font. Each row represents a stimulus, and each column a response. "http://dl.acm.org/citation.cfm?id=801599"

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