Your birth order shows your personality traits: This trait is more developed in middle children!

A study conducted by Canadian scientists with the participation of more than 700 thousand volunteers revealed how sibling order affects personality traits. According to the study, middle children surpass their siblings in cooperative personality traits.

A study conducted by Canadian scientists using data collected from over 700,000 volunteers revealed that middle children are more cooperative than their siblings. According to the Guardian newspaper, after decades of debate on whether the order between siblings helps shape personality, Canadian scientists have undertaken one of the largest studies ever conducted on birth order, family size and personality.
Prof. Dr. Michael Ashton from Brock University in Ontario and Prof. Dr. Kibeom Lee collected data from more than 700,000 volunteers and found that middle children scored higher than their siblings on traits considered important for cooperation.
Ashton and Lee analyzed the personality traits reported by more than 700,000 English-speaking people who provided information about whether they were a first-born sibling, middle child, youngest child, or only child. In the study, a separate group of 75,000 volunteers answered the same questions, along with the number of children they had.
People with more siblings tended to score higher on agreeableness, honesty, modesty, or being fair and sincere towards others, which are related to cooperation.
Middle children stood out in terms of cooperation, scoring slightly higher than firstborns and youngest siblings.
The study found that scores for the same characteristics were higher in families with more children. This suggests that people may be more likely to develop a cooperative personality when raised as part of a larger group.
Prof. Dr. Lee said in a statement, “You can’t tell much about a particular individual’s personality by looking at their birth order or family size. However, we did this study with many individuals and got an average. We can say that there are significant differences in individuals’ personalities by looking at their birth order or family size in this average.” he said.
The authors emphasized that having more siblings encourages a more cooperative personality, and that being the middle child requires establishing good bonds with younger and older siblings. Therefore, the authors stated that personality trait levels differ in relation to birth order and number of siblings, and noted that this was also revealed in the study. The findings of the study were published in the journal “Proceedings of the National Academy of Sciences”.
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