A retrospective look at website accessibility over time

被引：36
作者：
Hackett, S [1 ]
Parmanto, B
Zeng, XM
机构：
[1] Univ Pittsburgh, Pittsburgh, PA 15260 USA
[2] E Carolina Univ, Greenville, NC USA
来源：
BEHAVIOUR & INFORMATION TECHNOLOGY | 2005年 / 24卷 / 06期
关键词：
D O I：
10.1080/01449290500066661
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Websites were retrospectively analysed to study the effects that technological advances in web design have had on accessibility for persons with disabilities. A random sample of general websites and a convenience sample of US government websites were studied and compared for the years 1997-2002. Web accessibility barrier (WAB) and complexity scores were calculated. Analysis of Variance (ANOVA) and Tukey's HSD were used to determine differences among years for general sites. Repeated measures of ANOVA were used to analyse trends in US government sites, and Pearson's correlation cofficient (r) was computed to evaluate the relationship between accessibility and complexity. Random websites become progressively inaccessible as complexity increases. US government websites remain accessible while increasing in complexity. Increasing complexity, often caused by adding complex components to a Webpage, doesn't have to contribute to increasing barriers to accessibility: US government websites remain accessible despite increasing complexity by limiting the number of scripts used in Webpage design.
引用
收藏
页码：407 / 417
页数：11
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