✅ Do this
Order items in a navigation list by importance based on Serial Position Effect:
(1) 1st place by importance
(3) 3rd place by importance
(5) 5th place by importance
(7) 7th place by importance
(9) 9th place by importance
(8) 8th place by importance
(6) 6th place by importance
(4) 4th place by importance
(2) 2nd place by importance
Why
It’s a matter of human psychology. When consuming information, what stands out most to us are the first and last things we encounter. On the other hand, items in the middle are more easily passed over or forgotten. “This is known as the serial position effect. The tendency to recall earlier words is called the primacy effect; the tendency to recall the later words is called the recency effect” (Serial Position Effect).
Test
See Murdock, Glanzer and Cunitz tests.