Thirty-Five, also known as Benny Hill sorting or the Tournament method, is a collaborative convergence technique that rapidly identifies the single most valued idea from a large collection through a series of paired comparisons. Named after the total number of comparisons required to find the top idea from fifteen items, it transforms the intimidating task of choosing one idea from many into a series of simple one-on-one decisions that any participant can make confidently and quickly.
Thirty-Five
Finding the top idea through a rigorous series of paired comparisons
A
Designers Academy
16 December 2025 · 4 min read
DesignMethods
In brief
The Thirty-Five method is a collaborative convergence technique that rapidly identifies the single most valued idea from a large collection through a series of paired comparisons.
