These are the four most common personality types – which are you? 

No two humans are exactly alike but researchers believe there are just a few main personality types most of us can be classified into.

A study on human behaviour has revealed that 90 per cent of us can be classified into just four basic personality types.

The different personality types, according to the research led by the Universidad Carlos III de Madrid (UC3M), are defined as: Optimistic, Pessimistic, Trusting and Envious.

Envious, is the most common, with 30 per cent compared to 20 per cent for each of the other groups, the study recently published in the journal Science Advances reveals.

The study analysed the responses of 541 volunteers to hundreds of social dilemmas, with options leading to collaboration or conflict with others.

Researchers used the data to develop a computer algorithm which set out to classify people according to their behaviour.

Here’s what they found:

Envious

Those who don’t actually mind what they achieve, as long as they’re better than everyone else.

Optimists

Those who believe that they and their partner will make the best choice for both of them.

Pessimists

Those who select the option which they see as the lesser of two evils.

Trusting group

Those who are born collaborators and who will always co-operate. They don’t really mind if they win or lose.

Anxo Sánchez explained in more detail: “Two people can hunt deer together, but if they are alone, they can only hunt rabbits.

“The person belonging to the Envious group will choose to hunt rabbits because he or she will be at least equal to the other hunter, or maybe even better; the Optimist will choose to hunt deer because that is the best option for both hunters; the Pessimist will go for rabbits because that way he or she is sure to catch something; and the hunter who belongs to the Trusting group will cooperate and choose to hunt deer, without a second thought.”

The researchers added there is a fifth, undefined group, representing 10 per cent of people, which the algorithm is unable to classify.

Meanwhile, here’s why beautiful people ‘are seen as more intelligent’.

Another study claims intelligent people are more easily distracted at work.

Revealed: The age adults are at their ‘healthiest and happiest’.

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