Full Idea
The financial sector has been clamouring for a rationality test for years.
Gist of Idea
No one has yet devised a rationality test
Source
New Scientist writers (New Scientist articles [2013], 2013.10.29)
Book Reference
-: 'New Scientist magazine' [ 2013], p.33
A Reaction
Many aspects of intelligence tests do actually pick out what I would call rationality (which includes 'rational intuition', a new favourite of mine). But they are mixed in with rather mechanical geeky sort of tests.