ClearType sub-pixel text rendering: Preference, legibility and reading performance

Sheedy, James E.; Tai, Yu-Chi; Subbaram, Manoj V.; Gowrisankaran, Sowjanya; Hayes, John R.

doi:10.1016/j.displa.2007.09.016

Cited by 29 publications

(23 citation statements)

References 11 publications

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“…Such studies have examined how typefaces impact word recognition in visually impaired children (Bessemans 2012), and how a typeface’s intrinsic design factors mediate the perception of type (Wang and Chen 2003; Vinot and Athenes 2012). Studies focusing on the issues surrounding screen reading, as it differs from reading on paper, have typically considered typeface as a secondary factor (Gould, Alfaro, Barnes, et al 1987; Gould, Alfaro, Finn, et al 1987; Sheedy et al 2005, 2008; Slattery and Rayner 2009), often in combination with examinations of font smoothing (anti-aliasing) algorithms (Gugerty et al 2004; Sheedy et al 2005, 2008). These studies often examine typefaces with obvious stylistic differences, such as between serif and sans-serif type or blackletter families (Rayner et al 2006; Moret-Tatay and Perea 2011; Perea, Moret-Tatay, and Gómez 2011; Sanocki and Dyson 2011), but comparisons of typefaces within the same stylistic family are relatively rare (though Gould et al’s early work does examine this, albeit as a secondary focus, as previously noted).…”

Section: Introductionmentioning

confidence: 99%

Utilising psychophysical techniques to investigate the effects of age, typeface design, size and display polarity on glance legibility

et al. 2016

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Psychophysical research on text legibility has historically investigated factors such as size, colour and contrast, but there has been relatively little direct empirical evaluation of typographic design itself, particularly in the emerging context of glance reading. In the present study, participants performed a lexical decision task controlled by an adaptive staircase method. Two typefaces, a ‘humanist’ and ‘square grotesque’ style, were tested. Study I examined positive and negative polarities, while Study II examined two text sizes. Stimulus duration thresholds were sensitive to differences between typefaces, polarities and sizes. Typeface also interacted significantly with age, particularly for conditions with higher legibility thresholds. These results are consistent with previous research assessing the impact of the same typefaces on interface demand in a simulated driving environment. This simplified methodology of assessing legibility differences can be adapted to investigate a wide array of questions relevant to typographic and interface designs. Practitioner Summary: A method is described for rapidly investigating relative legibility of different typographical features. Results indicate that during glance-like reading induced by the psychophysical technique and under the lighting conditions considered, humanist-style type is significantly more legible than a square grotesque style, and that black-on-white text is significantly more legible than white-on-black.

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Section: Introductionmentioning

confidence: 99%

Utilising psychophysical techniques to investigate the effects of age, typeface design, size and display polarity on glance legibility

et al. 2016

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“…In order to address these issues in future experiments, trials with different fonts and the use of ClearType will be conducted. Sheedy et al [11] note that while the effects of ClearType font hinting is preferred by readers, there is no improvement in text legibility, reading speed or comfort with it turned on or off. Due to this, it is likely that future experiments will be conducted with it off in order to remove a confounding factor.…”

Section: Discussionmentioning

confidence: 99%

Reading text in an immersive head-mounted display

Grout

Rogers

Apperley

et al. 2015

Proceedings of the 15th New Zealand Conference on Human-Computer Interaction

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This paper describes an experiment conducted as part of a larger project investigating the possibilities of using a virtual environment for users performing day-to-day computing tasks. The experiment is a user study analyzing the performance of reading tasks typical of a general purpose computing environment conducted in immersive virtual reality headsets. Results of this study are evaluated, and suggest that reading tasks can be performed with near equivalent performance in the virtual environment when compared to performance values obtained from baseline tasks on a traditional display.

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“…At the same time, they emphasized the importance of how to obtain experimental data, which may significantly affect their results. Sheedy et al 29 conducted an experiment to test a few versions of ClearType, which was an onscreen text rendering technology, in terms of text legibility, reading performance, discomfort symptoms, and user preference. According to the results, ClearType did not improve user performance in text legibility and reading speed when compared to grayscale test.…”

Section: User Performance and Post-use Preferencementioning

confidence: 99%

A Lens Model Approach for the Relationships Between Pre-Use Perceptions and Post-Use Responses

Seo¹,

Lee²

2013

Jnl of Comp & Theo Nano

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This study introduces the lens model approach to find a possibility of checking the relativity of computer-based applications in terms of users' responses and applies it to a real case with online bookstores. The case study was conducted in two viewpoints: the relationship between expected usability and user performance and the relationship between pre-use preference and post-use preference. The first is to examine how much users' perceptions of usability before actual use match performance measures in a real usability testing, and the second is to determine how strongly pre-use preferences and post-use preferences were connected. Through the lens model approach to this case study, we could discuss the possibility of predicting users' post-use responses for the online bookstore web sites without a direct usability testing. This approach can be utilized as bases for developing a simple heuristic method to quickly evaluate users' responses in a limited time and can be applied to various user interface and user experience issues such as decision-making in human-computer interactive systems.

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ClearType sub-pixel text rendering: Preference, legibility and reading performance

Cited by 29 publications

References 11 publications

Utilising psychophysical techniques to investigate the effects of age, typeface design, size and display polarity on glance legibility

Utilising psychophysical techniques to investigate the effects of age, typeface design, size and display polarity on glance legibility

Reading text in an immersive head-mounted display

A Lens Model Approach for the Relationships Between Pre-Use Perceptions and Post-Use Responses

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