Quote: the contingency design test begins with user interaction errors; e.g., skip a required field, fix a mistake, check a bad or mistyped URL, try customer support, what if there are no results

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How does this differ from other site usability … test begins where others usually end. It focuses … [p. 223] THE CONTINGENCY DESIGN TEST … Leave a required field blank. Is the error … Fix a form mistake without going back to … [p. 224] Enter a URL that doesn't work at … Enter a URL that is slightly wrong. … [p. 225] Send email to customer support asking for … Search for a term with zero matches. Is … [p. 226] Get information about an unavailable item. Are …   Google-1   Google-2

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