Does Dark Mode Cost You WPM? Measuring the Positive‑Polarity Advantage in Real Typing
Lab studies often show a “positive‑polarity advantage” for reading and proofreading: dark text on a light background performs better than light text on dark. We’re turning that into a living A/B test on our typing site—randomizing theme, segmenting by age and self‑reported astigmatism—to see the real‑world WPM and accuracy gap and to publish theme presets that maximize speed without extra eye strain.
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