Disagreeable People Prefer Aggressive Dogs (Study)

A study carried out at the University of Leicester’s School of Psychology has found that younger people who are disagreeable are more likely to prefer aggressive dogs, confirming the conventional wisdom that dogs match the personality of their owners.

Researchers found that low Agreeableness was the best predictor of a preference for those dogs seen as more aggressive, such as bull terriers or boxers. Individuals low in Agreeableness are typically less concerned with others’ well-being and may be suspicious, unfriendly and competitive.

However, the study found no link between liking an aggressive dog and delinquent behaviour, or the possibility that liking an aggressive dog is an act of ‘status display’ to show off or attract romantic partners.

Dr Vincent Egan, lead researcher on the study, said:

“This type of study is important, as it shows assumptions are not the whole picture. It is assumed owners of aggressive dogs (or dogs perceived as aggressive) are antisocial show-offs. But we did not find persons who expressed a preference for aggressive dogs had committed more delinquent acts, or reported showing off more.

“However, we did find a preference for a dog with an aggressive reputation was related to being younger and being lower in Agreeableness (i.e., being less concerned with the needs of others, and being quicker to become hostile).”

The study looked at the reasons why some people prefer aggressive dog breeds. Professor Egan explained:

“A lot of human behaviour involves status display and dominance, and evolutionarily this helps with finding mates. Basic personality also influences a lot of our behaviour. By measuring both at the same time, we could see whether they each had an influence on liking aggressive dogs, or whether one was due to another.

“We were surprised mating effort did not have an influence here, but think it might be because we looked at a wider age range. A preference for a non-aggressive dog may also make a statement about a person; liking a pedigree Labrador or a clipped Poodle may be as much a statement as having a pit-bull with a studded collar.”

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In the study, participants indicated their preference for different types of dogs, and filled in personality tests. The dogs were independently rated according to how aggressive people perceived them to be. Bull terriers were rated as most aggressive, followed by boxers; retrievers and cocker spaniels were seen as least aggressive.

Analysing the findings, the research team found that certain personality factors indicated a preference for dogs perceived to be more aggressive. Low agreeableness and higher conscientiousness were related to a preference for aggressive dog breeds. Younger people were also more likely to prefer the aggressive breeds.

Surprisingly, the results indicated a small effect suggesting that those who liked aggressive dogs showed signs of conscientiousness – being careful, reliable and thoughtful about their actions. This contradicts the perception that owners of aggressive dogs are always irresponsible.

Dr Egan said:

“These results with Conscientiousness were unexpected, but the effect is a small one, and needs to be repeated in a different group of people. Studies of this kind tend to only look at a restricted age ranges, which may exaggerate findings which do not occur across the entire lifespan, so we believe a stereotype is always true, whereas it may only be true under certain conditions. Our study employed a broader age range.

“We were surprised to find a small association between a preference for aggressive dogs and greater Conscientiousness (i.e., valuing and following rules). However, dogs also prefer rules and firm boundaries themselves. We speculate that cheap dog-training classes would be enjoyable and beneficial for both dog and owner.”

The findings were published last week in the journal Anthrozoos.

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Jasmine Kleine

Jasmine Kleine

Jasmine Kleine is the the online editor at MyDogMagazine.com. She is an experienced dog owner and professional writer who lives with her two beloved dogs, Mabel and Charlie.


  1. Personally, this sounds like a really dumb and incorrect study! Sorry, just my opinion.
    I have an American Pit Bull Terrier. Got her at 9wks old. She is a beautiful Red Nose – now, 10yrs old. I had a Staffie before her. When she passed at 11yrs old, I decided on another one. But, couldn’t find a pup. So got the APBT. She was raised with 2 little girls, and 1 cat. Plus she was socialized with other dogs (lots of them.) And, many people, as I used to have Garage Sales almost every week-end.
    As I am now 73yrs old, I can honestly say “if I’d have known of Pittys 50yrs ago, I’d never of had any other breed. They are the most loving, friendly wonderful pets one could have.
    She loves everyone. Even people in uniforms.
    People that fight Pittys should be put in prison for life. THEY are the threat to society as are the people that promote BSL (Breed Specifid Legislation.) If they can do that to dogs, how long before they do it to people (again?). But, I digress!
    Now, what is with the people of N. Ireland that this is accepted? Don’t know much about their Govt. but, this needs to be stopped. Can’t they protest?
    Since this BS has come to my attention, I’ve quit telling people that I have Irish in my blood. I don’t want to be associated with “them.” I’m not proud of it anymore. I’m just disgusted and sad about the Irish. How do people like these get into office? How are they able to carry so much authority? I think they look bad to the rest of the world . Guess they don’t care. Guess it’s easier to pick on dogs than criminals – dogs can’t fight back!

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