RELIABILITY IN AUTOMATED EVALUATION TOOLS FOR WEB ACCESSIBILITY STANDARDS COMPLIANCE

Abstract

This research addressed the problem that neither the design standards nor the automated evaluation tools meet Web designers' requirements for ensuring that there are no accessibility barriers in their Web sites [1,5].Different tools arrive at different conclusions when assessing the same Web site for errors.Using Krippendorff's Alpha Reliability Co-efficient (Kr-α) as a measure of inter-reliability, the computerassisted content analysis tested data from 50 Web sites.These findings support the argument that a human computer interaction approach should be pursued rather than relying on these tools exclusively.

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