Pigs can be pessimists, scientists find
Some of the people I deal with make me wonder whether the following sentence should read – “Scientists have found that humans can be optimists or pessimists, just like pigs…..” after all were very similar genetically and I have met some pigs that are far nicer than some people. It actually starts the article in question by saying:
Scientists have found that pigs can be optimists or pessimists, just like humans.
In a new study by the University of Lincoln, published in Biology Letters, it was found that some pigs are go-getters, whereas others are moody and see the glass as half-empty.
Researchers tested 36 domestic pigs, some of which were given roomy, comfortable living space with extra layers of deep straw.
“These results suggest that judgment in non-human animals is similar to humans, incorporating aspects of stable personality traits and more transient mood states”
Their nature was tested by offering two food bowls at opposite sides of the room, one filled with sugar-coated chocolate sweets and the other filled with disappointing coffee beans.
Optimistic pigs were likely to check a third bowl, which was either filled with coffee beans or sweets.
Pessimistic pigs would not even bother checking whether it was full of sweets or not.