1. GNET 20601 INTRODUCTION TO CONTENT

2. GNET 20602 INTRODUCTION

3. GNET 20603 Introduction A silly theory results in such silly graphics as: Comparison of solar radiation and stock prices…

4. GNET 20604 Introduction Comparison of student grades with desk sizes.

5. GNET 20605 Introduction These may be “correlations”, but not “cause and effect.”

6. GNET 20606 GRAPHICS

7. GNET 20607 Graphics Graphics should: Show data…

8. GNET 20608 Graphics Make the viewer think about the content…

9. GNET 20609 Graphics Avoid distortion…

10. GNET 206010 Graphics Present many numbers in a small space.

11. GNET 206011 Graphics Make large data sets understandable…

12. GNET 206012 Graphics Encourage comparisons…

13. GNET 206013 Graphics Serve a clear purpose, and…

14. GNET 206014 Graphics Integrate words and statistics.

15. GNET 206015 PRINCIPLES OF GRAPHIC EXCELLENCE

16. GNET 206016 Principles A well designed presentation of interesting data includes: Substance…

17. GNET 206017 Principles Statistics, and…

18. GNET 206018 Principles Excellent design.

19. GNET 206019 Principles Complex ideas are communicated with: Clarity…

20. GNET 206020 Principles Precision, and…

21. GNET 206021 Principles Efficiency.

22. GNET 206022 Principles Present many ideas in the shortest time…

23. GNET 206023 Principles Let the data tell the truth, and...

24. GNET 206024 Principles Show the variation of data, not design.

25. GNET 206025 Principles Never quote data out of context.

26. GNET 206026 Principles Use labeling that is: Clear Detailed.

27. GNET 206027 Principles Use standardized measurements, and…

28. GNET 206028 Principles Present quantities that are proportionally correct.

29. GNET 206029 ATTRACTIVE GRAPHICS

30. GNET 206030 Attractive Graphics Have proper format and design…

31. GNET 206031 Attractive Graphics Use: Words Numbers Drawings.

32. GNET 206032 Attractive Graphics Reflect: Balance Proportion Relevant scale...

33. GNET 206033 Attractive Graphics Display details…

34. GNET 206034 Attractive Graphics Tell a story, and…

35. GNET 206035 Attractive Graphics Avoid “chartjunk”.

36. GNET 206036 CORRECT GRAPHICS

37. GNET 206037 Correct Graphics Spell out words…

38. GNET 206038 Correct Graphics Avoid elaborate: Coloring Shading Cross- hatching Legends.

39. GNET 206039 Correct Graphics Read from left to right…

40. GNET 206040 Correct Graphics Explain all data…

41. GNET 206041 Correct Graphics Provoke curiosity, and…

42. GNET 206042 Correct Graphics Use sans serif type for visuals.

43. GNET 206043 EXAMPLES

44. GNET 206044 Space Junk

45. GNET 206045 Space Junk 7,000 items of space junk orbit our world: Dead satellites... Frozen sewage from astronauts... rocket engine explosion fragments.

46. GNET 206046 Space Junk 34 nuclear reactor fuel cores… Shrapnel from test weapons... Garbage bags.

47. GNET 206047 Unknown Objects

48. GNET 206048 Unknown Objects What is the size of this painting?

49. GNET 206049 Unknown Objects Artist Roy Lichtenstein stands on a ladder.

50. GNET 206050 Inaccuracy

51. GNET 206051 Inaccuracy Grids were used in Renaissance paintings to exaggerate perspective (see next slide).

52. GNET 206052 Inaccuracy

53. GNET 206053 The Broad Street Pump

54. GNET 206054 Broad Street There were 500 fatal attacks of cholera in 10 days in 1854 in England.

55. GNET 206055 Broad Street All were within 250 yards of the Broad Street and Cambridge Street intersection.

56. GNET 206056 Broad Street John Snow tested the city-provided well water and found no impurities.

57. GNET 206057 Broad Street Mr. Snow plotted the deaths on a map: This is the first recorded time a scatter plot was used.

58. GNET 206058 Broad Street Data showed a link to the free water from the Broad Street Pump.

59. GNET 206059 Broad Street The handle was removed from the pump… The epidemic ended.

60. GNET 206060 Labels - NOT Numbers or Letters

61. GNET 206061 Labels Codes are meaningless.

62. GNET 206062 Labels Labels clarify.

63. GNET 206063 Inappropriate Color

64. GNET 206064 Color Aggressive color shows the color.

65. GNET 206065 Color Light tints show the information, not the color.

66. GNET 206066 The Challenger Disaster

67. GNET 206067 Challenger The Space Shuttle Challenger exploded on January 28, 1986 and 7 astronauts died.

68. GNET 206068 Challenger Icicles hung from the Challenger.

69. GNET 206069 Challenger Ambient temperatures were in the low 30s…

70. GNET 206070 Challenger The O-rings were less than 20 o F, and…

71. GNET 206071 Challenger The Predicted temperature at launch was 26 to 29 degrees.

72. GNET 206072 Challenger The engineers opposed the launch.

73. GNET 206073 Challenger Engineers prepared charts like the ones you will now be presented.

74. GNET 206074 Challenger The Thiokol managers said the evidence presented by the engineers did not link cold temperature with O-rings.

75. GNET 206075 Challenger NASA officials were appalled by the recommendation not to launch.

76. GNET 206076 Challenger The Challenger blew up 73 seconds after the rockets were ignited.

77. GNET 206077 Challenger The 13 charts the engineers prepared were weak…

78. GNET 206078 Challenger One chart left off temperature totally…

79. GNET 206079 Challenger One chart had 6 different types of data making it meaningless…

80. GNET 206080 Challenger Items such as nozzle blow-by were included which had nothing to do with cold weather…

81. GNET 206081 Challenger 22 previous flights with their temperature variations were not presented together...

82. GNET 206082 Challenger 92% of the temperature data was left out, and...

83. GNET 206083 Challenger Data was “selectively” chosen.

84. GNET 206084 Challenger A simple table would have linked O-rings and cold weather. Distribute table.

85. GNET 206085 Challenger Even a “rocket chart”, next slide, of all 24 previous flights and the 48 rockets would have shown a link between cold temperature and O- ring failure.

86. GNET 206086 Challenger

87. GNET 206087 Challenger A scatterplot even shows the link.

88. GNET 206088 Challenger Predicted Launch Temperature

89. GNET 206089 Challenger Remember - there are right ways and wrong ways to display data.

90. GNET 206090 EXAMPLE APPLICATION TO INDUSTRY

91. GNET 206091 Product Instruction Manual The Problem

92. GNET 206092 Problem Executive Officers want the existing Product Instruction Manual evaluated; there have been complaints.

93. GNET 206093 Problem A committee is formed of mid- management executives who determine the criteria to be used.

94. GNET 206094 Problem An employee committee is formed to use the criteria to evaluate the existing product instruction manual and…

95. GNET 206095 Problem … make recommendations to … who will report to the Mid-Management Executive officers of the company.

96. GNET 206096 Information

97. GNET 206097 Information Many manuals: are written from an engineer’s point of view. are too complex.

98. GNET 206098 Information Many manuals: are incomplete – from the user’s point of view. use jargon.

99. GNET 206099 Information Many manuals: use narrative to explain an illustration.

100. GNET 2060100 Information Begin with “Who should read this document.” Describe the product and its purpose.

101. GNET 2060101 Information Identify each part and its components. Write in small steps.

102. GNET 2060102 Information Use illustrations to explain the narrative.

103. GNET 2060103 Information Do not describe what the product can do. Instead explain how to do something with the product.

104. GNET 2060104 Information Include troubleshooting techniques. Instill confidence in whomever reads the manual.

105. GNET 2060105 Information No ambiguity – the person reading the manual cannot ask questions.

106. GNET 2060106 Information Ignite Mount Apply Cut Connect Excavate Measure Insert Begin each step with a strong verb:

107. GNET 2060107 The End