https://infovis-wiki.net/w/api.php?action=feedcontributions&feedformat=atom&user=GswZ75 2026-05-25T07:40:05Z User contributions MediaWiki 1.45.3 https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2005/06_-_Gruppe_10_-_Aufgabe_2&diff=16582 2007-08-30T02:41:01Z

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vita] [http://xionny.cn/topic/ogun-sanlisoy/ ogun sanlisoy] [http://polex.com.cn/resources/articles/kingston-gb.htm kingston 1gb] [http://budget7i.info/lib/gay-colore/ gay colore] [http://wedner.info/content/view/austin-mary.htm austin, mary hunter] [http://soler.net.cn/data/riss.htm riss] [http://klohy.info/img/styles/primo-trimestre.htm primo trimestre in perdita per il gruppo sony] [http://manoke.cn/topic/moto-guzzi/ moto guzzi lodola] [http://xionny.cn/topic/tavolo-vetro/ tavolo vetro] [http://klohy.info/img/styles/game-boy.htm game boy advance alimentatore] [http://soler.net.cn/data/petrodvorec.htm petrodvorec] [http://polex.com.cn/resources/articles/cellulari.htm cellulari3] == Poor Graphic ==<br /> [[Image:Friendly02doctors.gif|none|thumb|413px|Incomes of Doctors Vs. Other Professionals]]<br /> <br /> == Drawbacks ==<br /> <br /> The first step in the process of creating a better version of the provided graphic was the detailed analysis of the graphic and its drawbacks considering the discussed design principles.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G3 - Aufgabe 1 - Preattentive Processing|Preattentive Processing]] ===<br /> <br /> Through the very bad Data-Ink-Ratio and lot of Chart Junk the Preattentive Processing [Healey et al., 1996] is heavily affected:<br /> <br /> * The embedded bodies/heads of doctors and other professionals distract the viewer's eyes from the main information. Thus it is hard for the first-time viewer to quickly understand the information content of the diagram.<br /> <br /> * The descriptions of the both data samples (Office-based nonsalaried physicians versus Male professional technical and kindred workers) are not clearly placed in the graphics and cannot be preattentively associated to the data series.<br /> <br /> * Especially the data series of the technical workers is not really presented by clear data bars because of the worker pictures on top using the same color as the bars (both black). Thus the different salary values can optically not clearely be compared against each other.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G4 - Aufgabe 1 - Lie Factor|Lie Factor]] === <br /> <br /> Edward Tufte states the principle that &quot;The representation of numbers, as physically measured on the surface of the graphic itself, should be directly proportional to the quantities represented&quot; [Tufte, 1991]<br /> <br /> This principle is definitly violated in the provided graphic because of the following facts:<br /> <br /> * The provided original graphic heavily uses changes in the continuity of the time scale. While in the beginning of the time scale jumps of up to 8-9 years occur between two salary values, the last five salary values differ only by 1 year anymore. <br /> <br /> * As seen in the redesigned graphic using a linear time-scale the original graphic uses the Lie Factor to hide the fact that the distributions of the salaries are exponential not nearly linear as the viewer guesses by looking at the original graphic.<br /> <br /> * By changing the time scale multiple times within the same diagram, the viewer is confused and is potentially not able to directly discover the lie.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G8 - Aufgabe 1 - Chart Junk|Chart Junk]] === <br /> <br /> Edward Tufte comments the principle of Chart Junk as follows: &quot;The interior decoration of graphics generates a lot of ink which does not tell the viewer anything new.&quot; [Tufte, 1991]<br /> <br /> The provided graphic does contain a lot of ink not telling the viewer anything new:<br /> <br /> * The embedded stilistic pictures of doctors and other professionals are really unnecessary Chart Junk.<br /> <br /> * The time scale is labeled with full year marks. This can be reduced to only using the last two digits as the first two ones don't change over the whole time-scale.<br /> <br /> * The black background of the technical workers data series is making it more difficult for the viewer to recognize the presented information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Data-Ink Ratio|Data-Ink Ratio]] === <br /> <br /> * A lot of color is used just for separating the two data series from each other.<br /> <br /> * As mentioned above, the stilistic pictures of doctors and other professionals add a high amount of ink to the diagram which do not contain much additional information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 09 - Aufgabe 1 - Color Coding / Color|Color Coding / Color]] === <br /> <br /> * The use of few colors for clearly separating the different data series within the same diagram makes sense. The provided graphic uses black and white for the two data series which results in a graphic with high contrast. The drawback of this approach is that the viewer is distracted from recognizing the main content information to the contrast spots which do not contain the real information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Aesthetic-Usability Effect|Aesthetic-Usability Effect]] === <br /> <br /> Donny Truong describes the Aesthetic-Usability Effect as follows: &quot;Aesthetic designs are perceived as easier to use than less-aesthetic designs. Aesthetic designs also foster positive relationships with people, making them more tolerant of problems with a design.&quot; [Truong, 2005]<br /> <br /> The following comments on the provided graphic affect this effect:<br /> <br /> * The heavy use of Chart Junk and the high Lie Factor lead to a diagram with a low usability.<br /> <br /> * By using only black</div>

GswZ75 https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2005/06_-_Gruppe_10_-_Aufgabe_2&diff=15965 2007-08-23T14:36:29Z

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[http://up.rigour.info/description/lib/scs.htm scs 200 5] [http://blog.rigour.info/web/chitarre-semiacustiche/ chitarre semiacustiche] [http://milano.rigour.info/dreamsonweb-net.htm dreamsonweb net] [http://up.rigour.info/description/lib/d-canon.htm d30 canon] [http://online.rigour.info/ryanair-voli/ ryanair voli aerei] [http://dir.rigour.info/al-green/ al green. gospel according to al green] [http://gratis.rigour.info/content/view/nikon-w.htm nikon 100w] [http://web.rigour.info/opel-corsa/ opel corsa 1994] [http://guest.rigour.info/library/html/fujifilm-z/ fujifilm z1] [http://milano.rigour.info/orari-treni.htm orari treni sncf] [http://gratis.rigour.info/content/view/foto-attrici.htm foto attrici nude] [http://web.rigour.info/www-escord/ www escord cz] == Poor Graphic ==<br /> [[Image:Friendly02doctors.gif|none|thumb|413px|Incomes of Doctors Vs. Other Professionals]]<br /> <br /> == Drawbacks ==<br /> <br /> The first step in the process of creating a better version of the provided graphic was the detailed analysis of the graphic and its drawbacks considering the discussed design principles.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G3 - Aufgabe 1 - Preattentive Processing|Preattentive Processing]] ===<br /> <br /> Through the very bad Data-Ink-Ratio and lot of Chart Junk the Preattentive Processing [Healey et al., 1996] is heavily affected:<br /> <br /> * The embedded bodies/heads of doctors and other professionals distract the viewer's eyes from the main information. Thus it is hard for the first-time viewer to quickly understand the information content of the diagram.<br /> <br /> * The descriptions of the both data samples (Office-based nonsalaried physicians versus Male professional technical and kindred workers) are not clearly placed in the graphics and cannot be preattentively associated to the data series.<br /> <br /> * Especially the data series of the technical workers is not really presented by clear data bars because of the worker pictures on top using the same color as the bars (both black). Thus the different salary values can optically not clearely be compared against each other.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G4 - Aufgabe 1 - Lie Factor|Lie Factor]] === <br /> <br /> Edward Tufte states the principle that &quot;The representation of numbers, as physically measured on the surface of the graphic itself, should be directly proportional to the quantities represented&quot; [Tufte, 1991]<br /> <br /> This principle is definitly violated in the provided graphic because of the following facts:<br /> <br /> * The provided original graphic heavily uses changes in the continuity of the time scale. While in the beginning of the time scale jumps of up to 8-9 years occur between two salary values, the last five salary values differ only by 1 year anymore. <br /> <br /> * As seen in the redesigned graphic using a linear time-scale the original graphic uses the Lie Factor to hide the fact that the distributions of the salaries are exponential not nearly linear as the viewer guesses by looking at the original graphic.<br /> <br /> * By changing the time scale multiple times within the same diagram, the viewer is confused and is potentially not able to directly discover the lie.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G8 - Aufgabe 1 - Chart Junk|Chart Junk]] === <br /> <br /> Edward Tufte comments the principle of Chart Junk as follows: &quot;The interior decoration of graphics generates a lot of ink which does not tell the viewer anything new.&quot; [Tufte, 1991]<br /> <br /> The provided graphic does contain a lot of ink not telling the viewer anything new:<br /> <br /> * The embedded stilistic pictures of doctors and other professionals are really unnecessary Chart Junk.<br /> <br /> * The time scale is labeled with full year marks. This can be reduced to only using the last two digits as the first two ones don't change over the whole time-scale.<br /> <br /> * The black background of the technical workers data series is making it more difficult for the viewer to recognize the presented information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Data-Ink Ratio|Data-Ink Ratio]] === <br /> <br /> * A lot of color is used just for separating the two data series from each other.<br /> <br /> * As mentioned above, the stilistic pictures of doctors and other professionals add a high amount of ink to the diagram which do not contain much additional information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 09 - Aufgabe 1 - Color Coding / Color|Color Coding / Color]] === <br /> <br /> * The use of few colors for clearly separating the different data series within the same diagram makes sense. The provided graphic uses black and white for the two data series which results in a graphic with high contrast. The drawback of this approach is that the viewer is distracted from recognizing the main content information to the contrast spots which do not contain the real information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Aesthetic-Usability Effect|Aesthetic-Usability Effect]] === <br /> <br /> Donny Truong describes the Aesthetic-Usability Effect as follows: &quot;Aesthetic designs are perceived as easier to use than less-aesthetic designs. Aesthetic designs also foster positive relationships with people, making them more tolerant of problems with a design.&quot; [Truong, 2005]<br /> <br /> The following comments on the provided graphic affect this effect:<br /> <br /> * The heavy use of Chart Junk and the high Lie Factor lead to a diagram with a low usability.<br /> <br /> * By using only black</div>

GswZ75 https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2005/06_-_Gruppe_10_-_Aufgabe_2&diff=15646 2007-08-13T07:01:42Z

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Other Professionals]]<br /> <br /> == Drawbacks ==<br /> <br /> The first step in the process of creating a better version of the provided graphic was the detailed analysis of the graphic and its drawbacks considering the discussed design principles.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G3 - Aufgabe 1 - Preattentive Processing|Preattentive Processing]] ===<br /> <br /> Through the very bad Data-Ink-Ratio and lot of Chart Junk the Preattentive Processing [Healey et al., 1996] is heavily affected:<br /> <br /> * The embedded bodies/heads of doctors and other professionals distract the viewer's eyes from the main information. Thus it is hard for the first-time viewer to quickly understand the information content of the diagram.<br /> <br /> * The descriptions of the both data samples (Office-based nonsalaried physicians versus Male professional technical and kindred workers) are not clearly placed in the graphics and cannot be preattentively associated to the data series.<br /> <br /> * Especially the data series of the technical workers is not really presented by clear data bars because of the worker pictures on top using the same color as the bars (both black). Thus the different salary values can optically not clearely be compared against each other.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G4 - Aufgabe 1 - Lie Factor|Lie Factor]] === <br /> <br /> Edward Tufte states the principle that &quot;The representation of numbers, as physically measured on the surface of the graphic itself, should be directly proportional to the quantities represented&quot; [Tufte, 1991]<br /> <br /> This principle is definitly violated in the provided graphic because of the following facts:<br /> <br /> * The provided original graphic heavily uses changes in the continuity of the time scale. While in the beginning of the time scale jumps of up to 8-9 years occur between two salary values, the last five salary values differ only by 1 year anymore. <br /> <br /> * As seen in the redesigned graphic using a linear time-scale the original graphic uses the Lie Factor to hide the fact that the distributions of the salaries are exponential not nearly linear as the viewer guesses by looking at the original graphic.<br /> <br /> * By changing the time scale multiple times within the same diagram, the viewer is confused and is potentially not able to directly discover the lie.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G8 - Aufgabe 1 - Chart Junk|Chart Junk]] === <br /> <br /> Edward Tufte comments the principle of Chart Junk as follows: &quot;The interior decoration of graphics generates a lot of ink which does not tell the viewer anything new.&quot; [Tufte, 1991]<br /> <br /> The provided graphic does contain a lot of ink not telling the viewer anything new:<br /> <br /> * The embedded stilistic pictures of doctors and other professionals are really unnecessary Chart Junk.<br /> <br /> * The time scale is labeled with full year marks. This can be reduced to only using the last two digits as the first two ones don't change over the whole time-scale.<br /> <br /> * The black background of the technical workers data series is making it more difficult for the viewer to recognize the presented information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Data-Ink Ratio|Data-Ink Ratio]] === <br /> <br /> * A lot of color is used just for separating the two data series from each other.<br /> <br /> * As mentioned above, the stilistic pictures of doctors and other professionals add a high amount of ink to the diagram which do not contain much additional information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 09 - Aufgabe 1 - Color Coding / Color|Color Coding / Color]] === <br /> <br /> * The use of few colors for clearly separating the different data series within the same diagram makes sense. The provided graphic uses black and white for the two data series which results in a graphic with high contrast. The drawback of this approach is that the viewer is distracted from recognizing the main content information to the contrast spots which do not contain the real information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Aesthetic-Usability Effect|Aesthetic-Usability Effect]] === <br /> <br /> Donny Truong describes the Aesthetic-Usability Effect as follows: &quot;Aesthetic designs are perceived as easier to use than less-aesthetic designs. Aesthetic designs also foster positive relationships with people, making them more tolerant of problems with a design.&quot; [Truong, 2005]<br /> <br /> The following comments on the provided graphic affect this effect:<br /> <br /> * The heavy use of Chart Junk and the high Lie Factor lead to a diagram with a low usability.<br /> <br /> * By using only black</div>

GswZ75 https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2005/06_-_Gruppe_10_-_Aufgabe_2&diff=15234 2007-07-21T00:55:09Z

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[http://www.ees.ufl.edu/alumni/forums.asp?ForumId=5&amp;TopicId=108 cheap nexium] [http://itcweb.ecsu.edu/portal/forums.asp?ForumId=13&amp;TopicId=191 cheap lorazepam] [http://www.e.kth.se/cgi-bin/esekt/discussion?command=read&amp;discussionid=4&amp;id=30260 cheap clonazepam] [http://kc.vanderbilt.edu/forums/toast.asp?sub=show&amp;action=posts&amp;fid=5&amp;tid=59 cheap meridia] == Poor Graphic ==<br /> [[Image:Friendly02doctors.gif|none|thumb|413px|Incomes of Doctors Vs. Other Professionals]]<br /> <br /> == Drawbacks ==<br /> <br /> The first step in the process of creating a better version of the provided graphic was the detailed analysis of the graphic and its drawbacks considering the discussed design principles.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G3 - Aufgabe 1 - Preattentive Processing|Preattentive Processing]] ===<br /> <br /> Through the very bad Data-Ink-Ratio and lot of Chart Junk the Preattentive Processing [Healey et al., 1996] is heavily affected:<br /> <br /> * The embedded bodies/heads of doctors and other professionals distract the viewer's eyes from the main information. Thus it is hard for the first-time viewer to quickly understand the information content of the diagram.<br /> <br /> * The descriptions of the both data samples (Office-based nonsalaried physicians versus Male professional technical and kindred workers) are not clearly placed in the graphics and cannot be preattentively associated to the data series.<br /> <br /> * Especially the data series of the technical workers is not really presented by clear data bars because of the worker pictures on top using the same color as the bars (both black). Thus the different salary values can optically not clearely be compared against each other.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G4 - Aufgabe 1 - Lie Factor|Lie Factor]] === <br /> <br /> Edward Tufte states the principle that &quot;The representation of numbers, as physically measured on the surface of the graphic itself, should be directly proportional to the quantities represented&quot; [Tufte, 1991]<br /> <br /> This principle is definitly violated in the provided graphic because of the following facts:<br /> <br /> * The provided original graphic heavily uses changes in the continuity of the time scale. While in the beginning of the time scale jumps of up to 8-9 years occur between two salary values, the last five salary values differ only by 1 year anymore. <br /> <br /> * As seen in the redesigned graphic using a linear time-scale the original graphic uses the Lie Factor to hide the fact that the distributions of the salaries are exponential not nearly linear as the viewer guesses by looking at the original graphic.<br /> <br /> * By changing the time scale multiple times within the same diagram, the viewer is confused and is potentially not able to directly discover the lie.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G8 - Aufgabe 1 - Chart Junk|Chart Junk]] === <br /> <br /> Edward Tufte comments the principle of Chart Junk as follows: &quot;The interior decoration of graphics generates a lot of ink which does not tell the viewer anything new.&quot; [Tufte, 1991]<br /> <br /> The provided graphic does contain a lot of ink not telling the viewer anything new:<br /> <br /> * The embedded stilistic pictures of doctors and other professionals are really unnecessary Chart Junk.<br /> <br /> * The time scale is labeled with full year marks. This can be reduced to only using the last two digits as the first two ones don't change over the whole time-scale.<br /> <br /> * The black background of the technical workers data series is making it more difficult for the viewer to recognize the presented information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Data-Ink Ratio|Data-Ink Ratio]] === <br /> <br /> * A lot of color is used just for separating the two data series from each other.<br /> <br /> * As mentioned above, the stilistic pictures of doctors and other professionals add a high amount of ink to the diagram which do not contain much additional information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 09 - Aufgabe 1 - Color Coding / Color|Color Coding / Color]] === <br /> <br /> * The use of few colors for clearly separating the different data series within the same diagram makes sense. The provided graphic uses black and white for the two data series which results in a graphic with high contrast. The drawback of this approach is that the viewer is distracted from recognizing the main content information to the contrast spots which do not contain the real information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Aesthetic-Usability Effect|Aesthetic-Usability Effect]] === <br /> <br /> Donny Truong describes the Aesthetic-Usability Effect as follows: &quot;Aesthetic designs are perceived as easier to use than less-aesthetic designs. Aesthetic designs also foster positive relationships with people, making them more tolerant of problems with a design.&quot; [Truong, 2005]<br /> <br /> The following comments on the provided graphic affect this effect:<br /> <br /> * The heavy use of Chart Junk and the high Lie Factor lead to a diagram with a low usability.<br /> <br /> * By using only black</div>

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Other Professionals]]<br /> <br /> == Drawbacks ==<br /> <br /> The first step in the process of creating a better version of the provided graphic was the detailed analysis of the graphic and its drawbacks considering the discussed design principles.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G3 - Aufgabe 1 - Preattentive Processing|Preattentive Processing]] ===<br /> <br /> Through the very bad Data-Ink-Ratio and lot of Chart Junk the Preattentive Processing [Healey et al., 1996] is heavily affected:<br /> <br /> * The embedded bodies/heads of doctors and other professionals distract the viewer's eyes from the main information. Thus it is hard for the first-time viewer to quickly understand the information content of the diagram.<br /> <br /> * The descriptions of the both data samples (Office-based nonsalaried physicians versus Male professional technical and kindred workers) are not clearly placed in the graphics and cannot be preattentively associated to the data series.<br /> <br /> * Especially the data series of the technical workers is not really presented by clear data bars because of the worker pictures on top using the same color as the bars (both black). Thus the different salary values can optically not clearely be compared against each other.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G4 - Aufgabe 1 - Lie Factor|Lie Factor]] === <br /> <br /> Edward Tufte states the principle that &quot;The representation of numbers, as physically measured on the surface of the graphic itself, should be directly proportional to the quantities represented&quot; [Tufte, 1991]<br /> <br /> This principle is definitly violated in the provided graphic because of the following facts:<br /> <br /> * The provided original graphic heavily uses changes in the continuity of the time scale. While in the beginning of the time scale jumps of up to 8-9 years occur between two salary values, the last five salary values differ only by 1 year anymore. <br /> <br /> * As seen in the redesigned graphic using a linear time-scale the original graphic uses the Lie Factor to hide the fact that the distributions of the salaries are exponential not nearly linear as the viewer guesses by looking at the original graphic.<br /> <br /> * By changing the time scale multiple times within the same diagram, the viewer is confused and is potentially not able to directly discover the lie.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G8 - Aufgabe 1 - Chart Junk|Chart Junk]] === <br /> <br /> Edward Tufte comments the principle of Chart Junk as follows: &quot;The interior decoration of graphics generates a lot of ink which does not tell the viewer anything new.&quot; [Tufte, 1991]<br /> <br /> The provided graphic does contain a lot of ink not telling the viewer anything new:<br /> <br /> * The embedded stilistic pictures of doctors and other professionals are really unnecessary Chart Junk.<br /> <br /> * The time scale is labeled with full year marks. This can be reduced to only using the last two digits as the first two ones don't change over the whole time-scale.<br /> <br /> * The black background of the technical workers data series is making it more difficult for the viewer to recognize the presented information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Data-Ink Ratio|Data-Ink Ratio]] === <br /> <br /> * A lot of color is used just for separating the two data series from each other.<br /> <br /> * As mentioned above, the stilistic pictures of doctors and other professionals add a high amount of ink to the diagram which do not contain much additional information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 09 - Aufgabe 1 - Color Coding / Color|Color Coding / Color]] === <br /> <br /> * The use of few colors for clearly separating the different data series within the same diagram makes sense. The provided graphic uses black and white for the two data series which results in a graphic with high contrast. The drawback of this approach is that the viewer is distracted from recognizing the main content information to the contrast spots which do not contain the real information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Aesthetic-Usability Effect|Aesthetic-Usability Effect]] === <br /> <br /> Donny Truong describes the Aesthetic-Usability Effect as follows: &quot;Aesthetic designs are perceived as easier to use than less-aesthetic designs. Aesthetic designs also foster positive relationships with people, making them more tolerant of problems with a design.&quot; [Truong, 2005]<br /> <br /> The following comments on the provided graphic affect this effect:<br /> <br /> * The heavy use of Chart Junk and the high Lie Factor lead to a diagram with a low usability.<br /> <br /> * By using only black</div>

GswZ75 https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2005/06_-_Gruppe_10_-_Aufgabe_2&diff=14656 2007-07-08T16:37:38Z

<p>GswZ75: </p> <hr /> <div>== Poor Graphic ==<br /> [[Image:Friendly02doctors.gif|none|thumb|413px|Incomes of Doctors Vs. Other Professionals]]<br /> <br /> == Drawbacks ==<br /> <br /> The first step in the process of creating a better version of the provided graphic was the detailed analysis of the graphic and its drawbacks considering the discussed design principles.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G3 - Aufgabe 1 - Preattentive Processing|Preattentive Processing]] ===<br /> <br /> Through the very bad Data-Ink-Ratio and lot of Chart Junk the Preattentive Processing [Healey et al., 1996] is heavily affected:<br /> <br /> * The embedded bodies/heads of doctors and other professionals distract the viewer's eyes from the main information. Thus it is hard for the first-time viewer to quickly understand the information content of the diagram.<br /> <br /> * The descriptions of the both data samples (Office-based nonsalaried physicians versus Male professional technical and kindred workers) are not clearly placed in the graphics and cannot be preattentively associated to the data series.<br /> <br /> * Especially the data series of the technical workers is not really presented by clear data bars because of the worker pictures on top using the same color as the bars (both black). Thus the different salary values can optically not clearely be compared against each other.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G4 - Aufgabe 1 - Lie Factor|Lie Factor]] === <br /> <br /> Edward Tufte states the principle that &quot;The representation of numbers, as physically measured on the surface of the graphic itself, should be directly proportional to the quantities represented&quot; [Tufte, 1991]<br /> <br /> This principle is definitly violated in the provided graphic because of the following facts:<br /> <br /> * The provided original graphic heavily uses changes in the continuity of the time scale. While in the beginning of the time scale jumps of up to 8-9 years occur between two salary values, the last five salary values differ only by 1 year anymore. <br /> <br /> * As seen in the redesigned graphic using a linear time-scale the original graphic uses the Lie Factor to hide the fact that the distributions of the salaries are exponential not nearly linear as the viewer guesses by looking at the original graphic.<br /> <br /> * By changing the time scale multiple times within the same diagram, the viewer is confused and is potentially not able to directly discover the lie.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G8 - Aufgabe 1 - Chart Junk|Chart Junk]] === <br /> <br /> Edward Tufte comments the principle of Chart Junk as follows: &quot;The interior decoration of graphics generates a lot of ink which does not tell the viewer anything new.&quot; [Tufte, 1991]<br /> <br /> The provided graphic does contain a lot of ink not telling the viewer anything new:<br /> <br /> * The embedded stilistic pictures of doctors and other professionals are really unnecessary Chart Junk.<br /> <br /> * The time scale is labeled with full year marks. This can be reduced to only using the last two digits as the first two ones don't change over the whole time-scale.<br /> <br /> * The black background of the technical workers data series is making it more difficult for the viewer to recognize the presented information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Data-Ink Ratio|Data-Ink Ratio]] === <br /> <br /> * A lot of color is used just for separating the two data series from each other.<br /> <br /> * As mentioned above, the stilistic pictures of doctors and other professionals add a high amount of ink to the diagram which do not contain much additional information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 09 - Aufgabe 1 - Color Coding / Color|Color Coding / Color]] === <br /> <br /> * The use of few colors for clearly separating the different data series within the same diagram makes sense. The provided graphic uses black and white for the two data series which results in a graphic with high contrast. The drawback of this approach is that the viewer is distracted from recognizing the main content information to the contrast spots which do not contain the real information.<br /> <br /> === [[Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe 01 - Aufgabe 1 - Aesthetic-Usability Effect|Aesthetic-Usability Effect]] === <br /> <br /> Donny Truong describes the Aesthetic-Usability Effect as follows: &quot;Aesthetic designs are perceived as easier to use than less-aesthetic designs. Aesthetic designs also foster positive relationships with people, making them more tolerant of problems with a design.&quot; [Truong, 2005]<br /> <br /> The following comments on the provided graphic affect this effect:<br /> <br /> * The heavy use of Chart Junk and the high Lie Factor lead to a diagram with a low usability.<br /> <br /> * By using only black</div>

GswZ75