Smaller pupil size and better proofreading performance with positive than with negative polarity displays

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<title>Smaller pupil size and better proofreading performance with positive than with negative polarity displays</title>
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<namePart>Piepenbrock, Cosima</namePart>
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<abstract displayLabel="Summary">The positive polarity advantage¿ describes the fact that reading performance is better for dark text on light background (positive polarity) than for light text on dark background (negative polarity). We investigated the underlying mechanism by assessing pupil size and proofreading performance when reading positive and negative polarity texts. In particular, we tested the display luminance hypothesis which postulates that the typically greater brightness of positive compared to negative polarity displays leads to smaller pupil sizes and, hence, a sharper retinal image and better perception of detail. Indeed, pupil sizes were smaller and proofreading performance was better with positive than with negative polarity displays. The results are compatible with the hypothesis that the positive polarity advantage is an effect of display luminance. Limitations of the study are being discussed.</abstract>
<note type="statement of responsibility">Cosima Piepenbrock, Susanne Mayr, Axel Buchner</note>
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<title>Ergonomics : the international journal of research and practice in human factors and ergonomics</title>
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<publisher>Oxon [United Kingdom] : Taylor & Francis, 2010-</publisher>
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<identifier type="issn">0014-0139</identifier>
<identifier type="local">MAP20100019818</identifier>
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<text>03/11/2014 Volumen 57 Número 11 - noviembre 2014 </text>
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