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Ta b l e 5 . 3 Design properties elicited in the interview sessions. Number of participants using a given property to differentiate the three graphing tech-
niques, and number of participants mentioning the given property as affecting the graphing or recalling process.
Tool
Impact on
Name
Description
FHS CON VA Graph Recall
Expressiveness
Graphing freedom
Increasing the degrees-of-freedom in graphing
7
6
1
Annotation
Enabling free-hand annotation on the graph
3
3
Control
Interactivity
Providing instant visual feedback through quick actions
8
8
4
4
Modifiability
Providing the ability to modify the graph as new expe-
riences are being recalled
86 8
2
Temporal Overview
Providing feedback on overall opinion across full time-
line
73
4
Interplay graphing-recalling
Chronological linearity
Chronological linearity in recalling
5
5
1
5
Concurrency
Concurrency of time in graphing & recalling
5
5
2
5
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