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400 pages, Hardcover
First published September 30, 2014
"If there are any facts you don't believe, or if you want to know more about them, all the sources can be found on qi.com."That may have been true in 2016, and seems to have been true for another reviewer who mentions checking the references, but now in July 2023 the QI.com site as I see it is a gibbering mess with no obvious link to any references, and not even a visible site search field. When I search the site with an external search engine, I don't find any references either.
The cup claim – specifically, that after holding a hot drink, people judge others as more likeable, thus being metaphorically ‘warm’ towards them – came from a study with forty-one participants that has failed to replicate in much larger studies.This particular "fact" is one of many that got caught up in the replication crisis embroiling social psychology and some other fields of science.