7. Deterioration… can be caused by
inappropriate charts, ambiguous labels
unnecessary emphasis of lines, shapes,
symbols or logos that don’t support the
message
11. 3d charts appear less accurate and can
be difficult to comprehend
5
4.5
4
3.5
3
Winter
2.5
Summer
2
Fall
1.5
1
Fall
0.5
Summer
0
Winter
America Asia
Africa
Australia