"The Cost-of-Knowledge Characteristic Function: Display Evaluation for Direct-Walk Dynamic Information Visualizations" by S.K.Card, P.Pirolli and J.D.Mackinlay

fig1 fig2 fig3 fig4 fig5
fig1.jpg fig2.jpg fig3.jpg fig4.jpg fig5.jpg
fig6 table1 table2 table3  
fig6.jpg table1.jpg table2.jpg table3.jpg