Skip to main content
. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Psychon Bull Rev. 2014 Apr;21(2):436–444. doi: 10.3758/s13423-013-0490-4
Step 3: Ongoing Step 4: Complete
s c u t t l e s c u t t l e
0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7
s 1 0 1 3 4 5 s 1 0 1 2 3 4 5 6
h 2 1 1 2 3 4 h 2 1 1 2 3 4 5 6
o 3 2 2 2 3 4 o 3 2 2 2 3 4 5 6
u 4 3 3 2 3 4 u 4 3 3 2 3 4 5 6
t 5 4 4 3 2 3 t 5 4 4 3 2 3 4 5