An engineer adjusts character spacing within a road sign’s text under varied luminance conditions. Which failure mode becomes likely when kerning is inconsistently applied across different letter pairings?

💡 Explanation

Inconsistent kerning causes uneven spacing between letters, therefore compromising the Gestalt principle of proximity. This disrupts the reader's ability to correctly group letters into words leading to failures in lexical unit recognition, because the visual system misinterprets letter groupings, rather than uniformly processing information or enhancing chromatic adaptation.

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