First, it's possible first-borns are superior in some biological sense. They are born of younger wombs or to stronger healthier mothers, whose bodies are not yet ravaged by the demands of caring for other children.
Firstborns tend to possess psychological characteristics related to leadership, including responsibility, creativity, obedience and dominance. They are also more likely to have higher academic abilities and levels of intelligence than their younger siblings.
First-born kids tend to be leaders, like CEOS and founders, and are more likely to achieve traditional success. Middle-born children often embody a mix of the traits of older and younger siblings, and they're very relationship-focused.
The researchers found that first borns have an advantage when it comes to emotional stability, persistence, being outgoing and social, an ability to take initiative and a willingness to take on responsibility, leading them towards top managerial positions.
A University of Edinburgh study shows first-born children have higher IQs and better thinking skills than their siblings. The study says that shows first-born kids get more mental stimulation than their brothers and sisters.
However the researchers looked at it, first-borns had, on average, an IQ of 1.5 points higher than second-born siblings, who in turn had a 1.5 higher IQ than third-borns and so on.
Researchers have found a correlation between risk-taking and being the last-born sibling.
The study found that first-born siblings are more likely to survive to 100 years when compared to later-born siblings (odds ratio [OR] = 1.77, 95% confidence interval [CI] = 1.18–2.66, p = 0.006).
Oldest children tend to become the richest and most successful — and it could be thanks to their parents.
Mothers tend to always see the baby's father in their newborn, and fathers tend to agree – especially with firstborns. It's the outsiders, the extended family and friends who see otherwise. I believe that this evolutionary theory is still very much true, especially with firstborns.
According to scientists, one theory proposed for why firstborn daughters tend to resemble their fathers is that fathers are more likely to bond with their daughters due to evolutionary biology.
Most people feel as though they look more like their biological mom or biological dad. They may even think they act more like one than the other. And while it is true that you get half of your genes from each parent, the genes from your father are more dominant, especially when it comes to your health.
Only one pair, chromosome 23 determines the gender. Genetically, a person actually carries more of his/her mother's genes than his/her father's. The reason is little organelles that live within cells, the? mitochondria, which are only received from a mother.
Genetically, you actually carry more of your mother's genes than your father's. That's because of little organelles that live within your cells, the mitochondria, which you only receive from your mother.
February 29 has the lowest total number of births over the twenty year period because it only occurs once every 4 years. However, the average number of births on February 29 takes into account the day only occurs on a leap year, resulting in a value just under the overall daily average.
What's the rarest month to be born in? According to data collected by the Centers for Disease Control and Prevention (CDC) and the Social Security Administration (SSA), the rarest month to be born in is February, making Aquarius the rarest zodiac sign.
According to Adler, the first born is more susceptible to depression because of high expectations of parents and suddenly losing the attention due to another sibling being born.
You've probably heard it before and brushed it off if you're a second, third or fourth+ child - but it's true: the eldest sibling is the smartest, according to research.
Many factors influence how your child turns out; don't attribute large effects to a subtle factor such as birth order. But the debate over the impact of birth order gained new urgency this summer when the results of a new study were announced: Firstborns' IQs tend to be higher than those of their younger siblings.
A new study shows that first-born children tend to be smarter than their siblings and second-born children are more likely to cause trouble. The University of Edinburgh study reported that the oldest child tends to have a higher IQ and thinking skills than their younger siblings.
Marilyn vos Savant: 228
Born in 1946 in St. Louis, Missouri, Savant was listed as the person with the highest IQ by Guinness World Records.
One of such environmental changes can be the mode of delivery. Indeed, the study by Smajlagic and colleagues observed that, compared to children born vaginally, children born by Cesarean section show lower intelligence quotient (IQ) score if they possess certain genetic variation within GRIN2A gene.