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(Desires for the JAWS could help gather her bearings before executing

Wish Future) commands

Usability of Workaround (Efficiency, Memorability, Satisfaction) Satisfactory but not efficient Slow but satisfactory Efficient, quick and straightforward

Workaround (How is the Limitation Overcome?) Keeps trying different key combinations to execute intended action Labeled CDs, mentally organized by preference, read one at a time Three discs currently in CD player have a special spot on CD shelf

Explanation (Why Does the Limitation Happen?) Other keys may have been hit by mistake CD jewel cases not easily identifiable. Labels do not fit on case spines She does not have much time; she has a lot of CDs JAWS refers to the assistive screen-reading software used to turn text on the screen into speech (http://www.freedomscientific.com/Products/Blindness/JAWS

Limitation (What Exactly is Going on?) JAWS is doing something other than the intended action She cannot quickly read CD covers Discs are not organized in conventional means

Intentions/ Goals Execute an action through specific hotkeys To select a specific CD to listen to To distinguish CDs in player, preferred ones from least favorites

Table 7.1 Analysis of Sara's Tasks Object/ Description Task Incorrect key Navigating strokes may with JAWS cause her to lose her bearings Linearly searches Searching all CDs for A CD to play CD collection Organizing is placed on CD two shelves, collection in almost no particular order [accessed 19.03.16]). Excerpted from Shinohara and Tenenberg (2007). Copyright ACM.