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hai |
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We conducted a pilot study with two participants. The following points were mentioned:
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* Leaving a margin on the left side of the paper is preferred.
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* Axes naming should be from left to right and from top to bottom respectively only if axes numbering is replaced with letters (i. e. y-axis should start with letter "a" at the top).
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* Full and short Braille language were faulty (probably due to faulty tables in liblouis).
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* Rasterizing doesn't provide as much accuracy as plotting.
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* Data points in scatter plots are better perceivable if they are framed.
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* Textures in bar charts might be read as word since the textures consist of letters. A better letter combination should be chosen in order to prevent the urge to read a word.
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* |
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