Best Representation

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" colspan=2 height=95 BGCOLOR="#999999" TEXT="#080000" bgproperties="fixed" background="061005f0ermwup.png"> <div> <FONT SIZE="5" COLOR="#FFFFFF" FACE="Arial" ><B>EDIT 797 - Performance Based Design</B></FONT><B>     </B><B>|     </B><A HREF="index.htm" TARGET="_top" TITLE="EDIT 797 Performance Based Design"><U><B>home</B></U></A></div> <div> back to the start of<B>  </B><A HREF="id284.htm" TARGET="_top" TITLE="10/28/2002"><U><B>10/28/2002</B></U></A></div> </td> </tr><tr> <td valign="top" width=190 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <IMG BORDER="0" SRC="1x1.gif" HEIGHT="14" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" WIDTH="14"><B>  </B><A HREF="id284.htm" TARGET="_top" TITLE="10/28/2002"><U><B><IMG SRC="05e0e0e0.png" border=0 width="14" height="14" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></U></A><B>      </B><A HREF="id189.htm" TARGET="_top" TITLE="Context"><U><B><IMG SRC="05f0e0e0.png" border=0 width="14" height="14" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></U></A><B>  </B><A HREF="id191.htm" TARGET="_top" TITLE="The Game of 15"><U><B><IMG SRC="0600e0e0.png" border=0 width="14" height="14" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></U></A></div> <div> <A HREF="id182.htm" TARGET="_top" TITLE="Creating Representations"><U>Creating Representations</U></A></div> <div> <A HREF="id184.htm" TARGET="_top" TITLE="Good Representations"><U>Good Representations</U></A></div> <div> <A HREF="id185.htm" TARGET="_top" TITLE="Question"><U>Question</U></A></div> <div> <A HREF="id186.htm" TARGET="_top" TITLE="Answer"><U>Answer</U></A></div> <div> <A HREF="id187.htm" TARGET="_top" TITLE="Representations are abstractions"><U>Representations are abstractions</U></A></div> <div> <A HREF="id188.htm" TARGET="_top" TITLE="Web Sites"><U>Web Sites</U></A></div> <div> <A HREF="id189.htm" TARGET="_top" TITLE="Context"><U>Context</U></A></div> <div> <B><IMG BORDER="0" SRC="Symb075c00b700c8bf000000.png" HEIGHT="13" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Best Representation</B></div> <div> <A HREF="id191.htm" TARGET="_top" TITLE="The Game of 15"><U>The Game of 15</U></A></div> <div> <A HREF="id192.htm" TARGET="_top" TITLE="Flight of the Bumblebee"><U>Flight of the Bumblebee</U></A></div> <div> <A HREF="id193.htm" TARGET="_top" TITLE="The Towers of Hanoi"><U>The Towers of Hanoi</U></A></div> <div> <A HREF="id208.htm" TARGET="_top" TITLE="Different Perspectives"><U>Different Perspectives</U></A></div> <div> <A HREF="id195.htm" TARGET="_top" TITLE="Business Problem"><U>Business Problem</U></A></div> <div> <A HREF="id196.htm" TARGET="_top" TITLE="Reference Material Problem"><U>Reference Material Problem</U></A></div> <div> <A HREF="id197.htm" TARGET="_top" TITLE="Library Management"><U>Library Management</U></A></div> <div> <A HREF="id198.htm" TARGET="_top" TITLE="Library Management"><U>Library Management</U></A></div> <div> <A HREF="id199.htm" TARGET="_top" TITLE="Testing Usability"><U>Testing Usability</U></A></div> <div> <A HREF="id205.htm" TARGET="_top" TITLE="Summary"><U>Summary</U></A></div> </td> <td valign="top" height=385 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> Best Representation</div> <bR> <div> <B>The best representation keeps the following to a minimum:</B></div> <bR> <div> <B><IMG BORDER="0" SRC="Symb075c00b70140bf000000.png" HEIGHT="21" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The number of rules to remember ...</B></div> <div> <B><IMG BORDER="0" SRC="Symb075c00b70140bf000000.png" HEIGHT="21" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The number of calculations to perform ...</B></div> <div> <B><IMG BORDER="0" SRC="Symb075c00b70140bf000000.png" HEIGHT="21" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The reliance on memory ... </B></div> <div> <B><IMG BORDER="0" SRC="Symb075c00b70140bf000000.png" HEIGHT="21" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The number of inferences that must be made ...</B></div> <bR> <div> <B>A way to find the best representation:</B></div> <bR> <div> <B>1.  Write a clear statement of the problem.</B></div> <div> <B>2.  Articulate a mission statement that addresses the problem.</B></div> <div> <B>3.  Create a process model.</B></div> <div> <B>4.  Create a diversity model.</B></div> <div> <B>5.  Choose an appropriate metaphorical performance space.</B></div> <div> <B>6.  Use your imagination:  draw on your experience with toys, games,  gadgets, work, things...to identify something that reminds you of the process and people who have to do it.  Ask the problem solvers...(!)</B></div> <div> <B>7.  Consider the kind and presentation of information to “get it” quickly.</B></div> <div> <B>8.  Take a shot at creating a representation.</B></div> <div> <B>9.  Try making another representation.</B></div> <div> <B>10.  ...and another....</B></div> <div> <B>11. Test usability.  </B></div> <div> <B>12. Make a decision based on your usability results.</B></div> <div> <B>…repeat steps 7 through 12 over and over and over...</B></div> <bR> <bR> </td> </tr></table></body>