Data visualization history

Amy GermuthAmy Germuth

Data Visualization Implications for

Evaluation

Data Visualization Implications for

Evaluation

What is Data Visualization?What is Data Visualization?

Amy GermuthAmy Germuth

Amy GermuthAmy Germuth

Amy GermuthAmy Germuth

Amy GermuthAmy Germuth

Amy GermuthAmy Germuth

Amy GermuthAmy Germuth

1)1) Use of qualitative or quantitative Use of qualitative or quantitative datadata

2)2) To produce a representative imageTo produce a representative image

3)3) Which is readable by viewersWhich is readable by viewers

4)4) Supports exploration, examination, Supports exploration, examination, and communication of the data and communication of the data

History of Data Visualization

History of Data Visualization

Roots of Data VisualizationRoots of Data Visualization

CartographyCartographyStatisticsStatistics

DataDataVisual ThinkingVisual Thinking

TechnologyTechnology

Data Visualization in

Evaluation

Data Visualization in

Evaluation

1)1) UnderstandingUnderstanding

2)2) CollectingCollecting

3)3) AnalyzingAnalyzing

4)4) CommunicatingCommunicating

Limitations of Data

Visualization

Limitations of Data

Visualization

1)1) Data qualityData quality

2)2) CausationCausation

3)3) Supporting?Supporting?

Visual Ethics Visual Ethics (Jason Moore)(Jason Moore)

Visual Ethics Visual Ethics (Jason Moore)(Jason Moore)

I shall not use visualization to intentionally I shall not use visualization to intentionally hide or confuse the truth which it is intended hide or confuse the truth which it is intended to portray. I will respect the great power to portray. I will respect the great power visualization has in garnering wisdom and visualization has in garnering wisdom and misleading the uninformed. I accept this misleading the uninformed. I accept this responsibility willfully and without responsibility willfully and without reservation, and promise to defend this oath reservation, and promise to defend this oath against all enemies, both domestic and against all enemies, both domestic and foreign .foreign .

Questions?Questions?

Amy GermuthAmy Germuth

Amy A. Germuth, Ph.D.AmyGermuth@EvalWorks.c

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