1. Consistency During Search Without Stagnation
Jaime Teevan
Microsoft Research

4. Log analysis that shows people click on old and new results when returning to result pages. (27% of repeat searches click on new results!)

5. 26% of time repeat searches at different rank.
94 seconds to re-click v. 192 seconds to re-click.

6. “Pick a card, any card.”

7. Case 1 Case 2 Case 3 Case 4 Case 5 Case 6
Abracadabra!
Case 1 Case 2 Case 3 Case 4 Case 5 Case 6

8. Your Card is GONE!

9. People Forget a Lot

10. Change Blindness

11. Change Blindness

13. We still need magic!

14. Memory a Function of Rank
Last result clicked more likely to be remembered (12%)

15. Remembered Results Ranked High
Anecdote: include in search for Red Sox
Suggests the actual result list a person saw before might not look exactly like they remember it.

17. Intelligent Merging Supports Re-Finding and New-Finding
Intelligent merging better than other mergings
Almost as good as using the original list
New-finding
Knowledge re-use can help
No difference between new list and Intelligent

18. Jaime Teevan teevan@microsoft.com Microsoft Research