Larger Chinese text spacing and size: effects on older users' experience

With declining vision ability, character spacing and size on smartphones designed for the general population are not accessible for older adults. This study aimed to explore how larger Chinese character spacing and size affect older adults’ user experience (UX). An orthogonal experiment was conducte...

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Bibliographic Details
Main Authors: Guanhua Hou, Hua Dong, Weining Ning, Lianghao Han
Format: Default Article
Published: 2018
Subjects:
Other information and computing sciences not elsewhere classified
User experience
Font size
Word spacing
Line spacing
Cognitive load
Information and Computing Sciences not elsewhere classified
Online Access:https://hdl.handle.net/2134/35436
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Summary:With declining vision ability, character spacing and size on smartphones designed for the general population are not accessible for older adults. This study aimed to explore how larger Chinese character spacing and size affect older adults’ user experience (UX). An orthogonal experiment was conducted. The optimal range of font size (FS), word spacing (WS) and line spacing (LS) were proposed utilising subjective evaluations to investigate the correlation of eye movement data with participants perceived UX. The results showed that improvement in different aspects of UX varied when FS, WS and LS increased. Overall, participants preferred larger FS, WS and LS, however, the larger FS, WS and LS values are more likely to cause errors and slower reading speed. These results suggest that the distinct combination of size and spacing depends on the motivation, needs and situation of older people when reading on a smartphone. These findings will help designers to provide better design for the older people.

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