Read the column.  He&#x27;s very obviously talking about multiple studies.  The Nisbett study was about farm animals, not fish.<p><a href="http:&#x2F;&#x2F;www.nytimes.com&#x2F;2008&#x2F;08&#x2F;12&#x2F;opinion&#x2F;12brooks.html" rel="nofollow">http:&#x2F;&#x2F;www.nytimes.com&#x2F;2008&#x2F;08&#x2F;12&#x2F;opinion&#x2F;12brooks.html</a><p>&gt; When the psychologist Richard Nisbett showed Americans individual pictures of a chicken, a cow and hay and asked the subjects to pick out the two that go together, the Americans would usually pick out the chicken and the cow.