Study shows dogs get jealous of other dogs(N.America)

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Dog lovers have known since time began that pets get jealous, but now a new study has shown that it is true. A professor from the University of California conducted research into what makes dogs jealous. Dr Christine Harris first decided to investigate canine jealousy after she noticed strange behaviour among her parents' three border collies. She noticed that when she stroked two of the pooches at the same time, they became aggressive towards each other. Both dogs tried to knock her hand away from the other so they could receive maximum attention. She said: "To me, that really fit with the core motivation of jealousy….I was petting them with both my hands, not just one. They wanted exclusive attention. That got me to thinking about jealousy in dogs."

Professor Harris adapted a jealousy test commonly used on young children. Her research team conducted tests on 36 different dogs in their homes and videoed their reactions. The dogs' owner had to read a short passage from a book while petting a toy dog that wagged its tail and a Halloween lantern. Harris wanted to see how the dogs reacted to their owner petting the toy dog, as well as looking at if they had any reaction to the petting of the lantern. She noticed that the dogs were twice as likely to be jealous of the toy dog. A third of the dogs tried to muscle in between the toy and its owner. Professor Harris thinks it is important to understand jealousy more. She said: "Jealousy is the third-leading cause of non-accidental homicide across cultures."

1. TRUE / FALSE:Read the headline. Guess if a-h below are true (T) or false (F).

a.Dog lovers have always known that dogs get jealous.T / F

b.A professor studied jealousy in dogs after observing her parents' dogs.T / F

c.A professor watched as two dogs try to bite her hand.T / F

d.The woman was stroking the dogs with one hand.T / F

e.Researchers used a test usually used with children on the dogs.T / F

f.Owners had to sing to their dog as part of the research.T / F

g.Dog owners tried to make their dog jealous by petting a lantern.T / F

h.Jealousy is the second biggest cause of non-accidental homicides.T / F

COMPREHENSION QUESTIONS

1.Since when have dog owners known that pets get jealous?

2.How many dogs did the professor's parents have?