Is your intelligence decided by birth order?

Character traits such as outward or introspection are determined by birth order? Let's also explore the answer to that question through this article.

The birth order determines the intelligence of each person?

For centuries, people have been constantly curious about how the story of birth order affects each person's personality, such as the fact that the eldest of the family is more patriarchal than the siblings. other children and parents.

According to a recent study published in the PNAS scientific journal, the first-child tends to score higher on intelligence assessments and or self-reports on those indicators. However, scientists do not see any connection to the birth order that determines the personality of each person.

Researchers have surveyed more than 20,000 applicants in three countries, the United States, Britain and Germany. Thanks to the large number of participants, it is easier for scientists to identify the smallest impact factors in the birth order, helping to make each person's personality.

Researchers determine the child's birth order by establishing their position among the children of a family. That means, if a child is raised as either the older brother or the second child, all will be treated equally, regardless of whether they have other cousins ​​who do not live with the family.

In addition, children without children, twins and children in families with more than 4 children will be excluded from the study. Subjects focused mainly on children in families with 2 - 4 siblings.

The research team chose this direction because they believe that the impact of birth order is considered to be the origin of the miniature social environment in the home . The data collected is mainly through demographic information and some questions for parents.

The personality of each child will then be assessed by self-reporting based on the Big Five personality scale. Meanwhile, children's intelligence will be assessed using self-reporting methods and IQ tests using standard assessment tools.

The self-report method will include items that are identical to questions like: "I use difficult words", "I have a rich vocabulary" and "I understand this very quickly".

After collecting sufficient data, researchers continue to conduct linear regression analyzes to identify individual or intelligence personalities related to birth order, family size, and nationality. or residence or not. This analysis allows to estimate the impact on personality caused by the different positions of each family member.

The results were quite surprising when the data showed that birth order seems to have more impact on intelligence. This is explained by scientists in terms of social and psychological theory of parents. They said that couples often devote their love and wisdom to their first child. Therefore, the first child often has a higher IQ because of that reason.

In contrast, the study found no significant effects of birth order on the Big Five human personality scale: extrovert, psychological instability, comfort, commitment and willingness to experience.

The research results are also contrary to the notion that two male twins in the family with their first son will have more feminine characteristics. In addition, this result also rejects the notion that children born afterwards tend to be outward or kind, more likely to trust.

In terms of the positive findings of the study, data show that intelligence is closely related to birth order. The findings suggest, the next-born children not only get less intelligence from their parents, but also receive implicit messages, they are not as smart as their siblings.

According to another analysis related to previous intelligence, this analysis of scientists has quite a lot of similarities and is likely to exist 99% of a realistic effect, not just a single one. random fluctuations.

In general, this study has effectively used the intelligent statistical mechanism and collected a large enough database. Thus, the conclusion is quite clear and convincing. Previously, the question of the effect of birth order on personality and human intelligence is often explained only by theory, but so far is a quite successful experimental study.

However, the scientific world in the world in general has not yet officially acknowledged the accuracy of this study.